{"id":260,"date":"2025-03-13T13:42:26","date_gmt":"2025-03-13T13:42:26","guid":{"rendered":"https:\/\/innohub.powerweave.com\/?p=260"},"modified":"2025-03-13T13:42:26","modified_gmt":"2025-03-13T13:42:26","slug":"300-free-apis-every-developer-needs-to-know","status":"publish","type":"post","link":"https:\/\/innohub.powerweave.com\/?p=260","title":{"rendered":"300+ FREE APIs Every Developer Needs to Know"},"content":{"rendered":"\n

Table of Contents<\/h1>\n\n\n\n
    \n
  1. Weather APIs \u26c5\ufe0f\ud83c\udf26\ufe0f\ud83c\udf29\ufe0f<\/li>\n\n\n\n
  2. Exchange Rates APIs \ud83d\udcb1\ud83d\udcb2\ud83d\udcb9<\/li>\n\n\n\n
  3. Cryptocurrency APIs \u20bf\ud83d\udcb0\ud83d\udd17<\/li>\n\n\n\n
  4. Placeholder Image APIs \ud83d\udcf8\ud83d\uddbc\ufe0f\ud83c\udfa8<\/li>\n\n\n\n
  5. Random Generators APIs \ud83c\udfb2\ud83d\udd00\ud83c\udfb0<\/li>\n\n\n\n
  6. News APIs \ud83d\udcf0\ud83d\udce2\ud83d\uddde\ufe0f<\/li>\n\n\n\n
  7. Maps and Geolocation APIs \ud83d\uddfa\ufe0f\ud83d\udccd\ud83c\udf0d<\/li>\n\n\n\n
  8. Search APIs \ud83d\udd0d\ud83d\udcd1\ud83d\udd75\ufe0f<\/li>\n\n\n\n
  9. Machine Learning APIs \ud83e\udd16\ud83e\udde0\ud83d\udd2e<\/li>\n\n\n\n
  10. Screenshot and Picture APIs \ud83d\udcf7\ud83c\udf10\ud83d\uddbc\ufe0f<\/li>\n\n\n\n
  11. SEO APIs \ud83d\udd0d\ud83d\udcc8\ud83d\udca1<\/li>\n\n\n\n
  12. Shopping APIs \ud83d\udecd\ufe0f\ud83d\uded2\ud83d\udce6<\/li>\n\n\n\n
  13. Developer APIs \ud83d\udcbb\ud83d\udd27\ud83d\udee0\ufe0f<\/li>\n\n\n\n
  14. Travel and Transportation APIs \ud83d\udeeb\ud83d\ude97\ud83d\ude89<\/li>\n\n\n\n
  15. Communication APIs \ud83d\udcde\ud83d\udcac\ud83d\udce7<\/li>\n\n\n\n
  16. Payment and Financial APIs \ud83d\udcb3\ud83d\udcb8\ud83c\udfe6<\/li>\n\n\n\n
  17. Analytics and Monitoring APIs \ud83d\udcca\ud83d\udcc8\ud83d\udcc9<\/li>\n\n\n\n
  18. Natural Language Processing (NLP) APIs \ud83d\udde3\ufe0f\ud83d\udd0d\ud83d\udcac<\/li>\n\n\n\n
  19. Utilities and Tools APIs \ud83d\udee0\ufe0f\ud83d\udd27\u2699\ufe0f<\/li>\n\n\n\n
  20. Government and Open Data APIs \ud83c\udfdb\ufe0f\ud83d\udcdc\ud83d\udcca<\/li>\n\n\n\n
  21. Qit.tools<\/a> – \u26a1 Interactive Online Web \ud83d\udee0\ufe0f Tools<\/li>\n\n\n\n
  22. \ud83d\udcb0 Currency Plugins\/Widgets<\/a> for WordPress<\/li>\n<\/ol>\n\n\n\n

    Weather APIs \u26c5\ufe0f\ud83c\udf26\ufe0f\ud83c\udf29\ufe0f<\/h2>\n\n\n\n
    Name<\/th>Description<\/th>Free Tier Limit<\/th>Authentication<\/th>Documentation<\/th><\/tr><\/thead>
    OpenWeatherMap<\/td>Global weather data including forecasts and current weather<\/td>60 calls\/min<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Weatherstack<\/td>Real-time and historical weather data<\/td>1000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Weatherbit<\/td>Weather data including forecasts and current weather<\/td>500 calls\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Climacell<\/td>Hyper-local weather data and insights<\/td>100 calls\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    AccuWeather<\/td>Weather data and forecasts<\/td>50 calls\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Visual Crossing<\/td>Historical and current weather data<\/td>1000 calls\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Weather2020<\/td>Weather forecasts<\/td>100 calls\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Storm Glass<\/td>Marine weather data<\/td>50 calls\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    WeatherAPI<\/td>Weather data including forecasts and current weather<\/td>1000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    AerisWeather<\/td>Weather data and imagery<\/td>1000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    HERE Weather<\/td>Weather data including forecasts and current weather<\/td>250,000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    World Weather Online<\/td>Global weather data including forecasts and historical weather<\/td>500 calls\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Tomorrow.io<\/td>Hyper-local weather data and insights<\/td>100 calls\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Dark Sky<\/td>Weather data including forecasts and current weather<\/td>1000 calls\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    National Weather Service<\/td>US government weather data<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    <\/a> Exchange Rates APIs \ud83d\udcb1\ud83d\udcb2\ud83d\udcb9<\/h2>\n\n\n\n
    Name<\/th>Description<\/th>Free Tier Limit<\/th>Authentication<\/th>Documentation<\/th><\/tr><\/thead>
    ExchangeRate-API<\/td>Accurate exchange rates for 160 currencies<\/td>1500 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Open Exchange Rates<\/td>Real-time and historical exchange rates<\/td>1000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Currencylayer<\/td>Real-time exchange rates for 168 world currencies<\/td>1000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Fixer<\/td>Real-time exchange rates and currency conversion<\/td>1000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    XE Currency Data<\/td>Real-time and historical exchange rates<\/td>1000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Forex Rate API<\/td>Real-time and historical foreign exchange rates<\/td>1000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    RatesAPI<\/td>Free foreign exchange rates and currency conversion<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Exchange Rates API<\/td>Accurate exchange rates for 160 currencies<\/td>1500 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    OANDA Exchange Rates<\/td>Real-time and historical exchange rates<\/td>1000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    CurrencyConverter API<\/td>Real-time exchange rates and currency conversion<\/td>1000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    ExchangeRatesAPI<\/td>Exchange rates and currency conversion<\/td>1000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Alphavantage<\/td>Real-time and historical exchange rates<\/td>500 calls\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Xignite<\/td>Foreign exchange rates API<\/td>1000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Everbase Currency<\/td>Exchange rates and currency conversion<\/td>1000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    ExchangeRateHost<\/td>Foreign exchange rates API<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    <\/a> Cryptocurrency APIs \u20bf\ud83d\udcb0\ud83d\udd17<\/h2>\n\n\n\n
    Name<\/th>Description<\/th>Free Tier Limit<\/th>Authentication<\/th>Documentation<\/th><\/tr><\/thead>
    CoinGecko<\/td>Cryptocurrency data for over 6000 coins<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    CoinMarketCap<\/td>Cryptocurrency market cap rankings, charts, and more<\/td>333 calls\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    CryptoCompare<\/td>Cryptocurrency data and price comparison<\/td>250,000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Coinpaprika<\/td>Cryptocurrency market data<\/td>25,000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Nomics<\/td>Cryptocurrency market cap and pricing data<\/td>125,000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    CoinAPI<\/td>Real-time and historical cryptocurrency data<\/td>100,000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Messari<\/td>Cryptocurrency data and research<\/td>1000 calls\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Coinlore<\/td>Cryptocurrency market data<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Coinlib<\/td>Cryptocurrency data including prices and market cap<\/td>100 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Bitfinex<\/td>Cryptocurrency trading platform API<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Bittrex<\/td>Cryptocurrency trading platform API<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Binance<\/td>Cryptocurrency trading platform API<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    KuCoin<\/td>Cryptocurrency trading platform API<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Kraken<\/td>Cryptocurrency trading platform API<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Poloniex<\/td>Cryptocurrency trading platform API<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    <\/a> Placeholder Image APIs \ud83d\udcf8\ud83d\uddbc\ufe0f\ud83c\udfa8<\/h2>\n\n\n\n
    Name<\/th>Description<\/th>Free Tier Limit<\/th>Authentication<\/th>Documentation<\/th><\/tr><\/thead>
    Lorem Picsum<\/td>Random placeholder images<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Placeholder.com<\/td>Custom placeholder images<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Unsplash Source<\/td>High-quality placeholder images<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Placekitten<\/td>Placeholder images of kittens<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    PlaceDog<\/td>Placeholder images of dogs<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Placebear<\/td>Placeholder images of bears<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Fill Murray<\/td>Placeholder images of Bill Murray<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    FakerAPI<\/td>Fake data and placeholder images<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    DummyImage.com<\/td>Custom placeholder images<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    ImagePlaceholder.com<\/td>Custom placeholder images<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    PlaceholderImage<\/td>Placeholder images with custom text<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Picsum.photos<\/td>Random images from Unsplash<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    RandomImageApi<\/td>Random placeholder images<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Plachold.it<\/td>Custom placeholder images<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    LoremFlickr<\/td>Random placeholder images<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    <\/a> Random Generators APIs \ud83c\udfb2\ud83d\udd00\ud83c\udfb0<\/h2>\n\n\n\n
    Name<\/th>Description<\/th>Free Tier Limit<\/th>Authentication<\/th>Documentation<\/th><\/tr><\/thead>
    Random.org<\/td>True random number generation<\/td>1,000,000 bits\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    RandomUser<\/td>Generate random user data<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    FakerAPI<\/td>Fake data generation<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    UUID Generator<\/td>Generate random UUIDs<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    DiceBear Avatars<\/td>Generate random avatars<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    PasswordGenerator<\/td>Generate random passwords<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Cat Facts<\/td>Random cat facts<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Fun Translations<\/td>Generate fun translations<\/td>5 requests\/day<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Quotes.rest<\/td>Generate random quotes<\/td>10 requests\/hour<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Advice Slip<\/td>Random advice generator<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    BoredAPI<\/td>Suggestions for activities to do<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Lorem Ipsum<\/td>Generate random placeholder text<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Uinames<\/td>Generate random names<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Pipl<\/td>Generate random people profiles<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Random Data API<\/td>Generate random data for testing<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    <\/a> News APIs \ud83d\udcf0\ud83d\udce2\ud83d\uddde\ufe0f<\/h2>\n\n\n\n
    Name<\/th>Description<\/th>Free Tier Limit<\/th>Authentication<\/th>Documentation<\/th><\/tr><\/thead>
    NewsAPI<\/td>Aggregates news articles from various sources<\/td>500 calls\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    CurrentsAPI<\/td>Real-time news data<\/td>1000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    ContextualWebNews<\/td>Real-time news search and discovery<\/td>10,000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Bing News Search<\/td>Microsoft Bing’s news search results<\/td>3000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Mediastack<\/td>Real-time news data<\/td>500 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    New York Times API<\/td>Access to The New York Times articles and archives<\/td>Unlimited<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Guardian API<\/td>Access to The Guardian articles and archives<\/td>Unlimited<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Event Registry<\/td>Real-time news and event data<\/td>500 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    GDELT Project<\/td>Real-time event data and news<\/td>10,000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    NewsData.io<\/td>Real-time news articles from various sources<\/td>200 calls\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    ContextualWeb<\/td>Search for news articles based on context<\/td>1000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    MyNewsAPI<\/td>Access to various news sources<\/td>500 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Webz.io<\/td>Real-time news and blog data<\/td>1000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    AYLIEN News API<\/td>News articles from various sources with analysis<\/td>200 calls\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    HackerNews<\/td>Access to Hacker News articles<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    <\/a> Maps and Geolocation APIs \ud83d\uddfa\ufe0f\ud83d\udccd\ud83c\udf0d<\/h2>\n\n\n\n
    Name<\/th>Description<\/th>Free Tier Limit<\/th>Authentication<\/th>Documentation<\/th><\/tr><\/thead>
    Google Maps API<\/td>Comprehensive mapping and geolocation data<\/td>$200 free usage\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Mapbox<\/td>Custom maps and geolocation services<\/td>50,000 views\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    OpenCage Geocoding<\/td>Forward and reverse geocoding<\/td>2,500 calls\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    HERE Maps<\/td>Mapping and location data services<\/td>250,000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    OpenStreetMap<\/td>Free editable map of the world<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Positionstack<\/td>Geocoding API for forward and reverse geocoding<\/td>25,000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    TomTom<\/td>Mapping and geolocation data services<\/td>2,500 calls\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    MapQuest<\/td>Mapping and geolocation data services<\/td>15,000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Ipstack<\/td>IP geolocation API<\/td>10,000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Geocodio<\/td>Geocoding and reverse geocoding<\/td>2,500 calls\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    LocationIQ<\/td>Geocoding and reverse geocoding<\/td>5,000 calls\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Maptiler<\/td>Maps, geocoding, and geolocation services<\/td>100,000 tile requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    What3words<\/td>Location services using 3-word addresses<\/td>1000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    SmartyStreets<\/td>Address validation and geocoding<\/td>250 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Geoapify<\/td>Geocoding, routing, and other location services<\/td>30,000 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    <\/a> Search APIs \ud83d\udd0d\ud83d\udcd1\ud83d\udd75\ufe0f<\/h2>\n\n\n\n
    Name<\/th>Description<\/th>Free Tier Limit<\/th>Authentication<\/th>Documentation<\/th><\/tr><\/thead>
    Google Custom Search<\/td>Search the web or specific sites<\/td>100 queries\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Algolia<\/td>Fast, reliable search as a service<\/td>10,000 records<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Bing Search API<\/td>Microsoft Bing’s search results<\/td>3,000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Elastic Search<\/td>Search engine based on Lucene<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Swiftype<\/td>Custom search engine for your site<\/td>1000 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    MeiliSearch<\/td>Fast, open-source search engine<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    AddSearch<\/td>Custom search for your website<\/td>50 searches\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Yandex Search API<\/td>Search the web using Yandex<\/td>10,000 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Yahoo Search<\/td>Search the web using Yahoo<\/td>5,000 queries\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Wolfram Alpha<\/td>Computational knowledge engine<\/td>2,000 queries\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    ContextualWebSearch<\/td>Web search with context filtering<\/td>10,000 calls\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Site Search 360<\/td>Search your website or app<\/td>1,500 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    DuckDuckGo API<\/td>Search the web anonymously<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Search.io<\/td>Search as a service<\/td>1000 operations\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Apache Solr<\/td>Highly reliable, scalable search platform<\/td>Open-source<\/td>None<\/td>Link<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    <\/a> Machine Learning APIs \ud83e\udd16\ud83e\udde0\ud83d\udd2e<\/h2>\n\n\n\n
    Name<\/th>Description<\/th>Free Tier Limit<\/th>Authentication<\/th>Documentation<\/th><\/tr><\/thead>
    Google Cloud ML<\/td>Machine learning services and APIs<\/td>$300 free credit<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Amazon SageMaker<\/td>Build, train, and deploy machine learning models<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    IBM Watson<\/td>AI and machine learning services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Microsoft Azure ML<\/td>Machine learning services and APIs<\/td>$200 free credit<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Hugging Face<\/td>State-of-the-art NLP models and APIs<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    OpenAI<\/td>AI models including GPT-3<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    BigML<\/td>Machine learning platform and APIs<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Clarifai<\/td>Image and video recognition services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    DataRobot<\/td>Machine learning model deployment and management<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    MonkeyLearn<\/td>Text analysis and machine learning<\/td>300 queries\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Aylien<\/td>Natural language processing and machine learning<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Algorithmia<\/td>Algorithm marketplace and machine learning APIs<\/td>10,000 queries\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Spell<\/td>Machine learning infrastructure and tools<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Neptune.ai<\/td>Machine learning model management and monitoring<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Vize.ai<\/td>Custom machine learning model creation<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    <\/a> Screenshot and Picture APIs \ud83d\udcf7\ud83c\udf10\ud83d\uddbc\ufe0f<\/h2>\n\n\n\n
    Name<\/th>Description<\/th>Free Tier Limit<\/th>Authentication<\/th>Documentation<\/th><\/tr><\/thead>
    ScreenshotAPI<\/td>Capture screenshots of websites<\/td>100 screenshots\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    URLBox<\/td>Capture screenshots and convert web pages to PDFs<\/td>100 captures\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Page2Images<\/td>Capture screenshots of web pages<\/td>1000 screenshots\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    ShrinkTheWeb<\/td>Capture screenshots and thumbnails of web pages<\/td>1000 captures\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Browshot<\/td>Capture screenshots of websites<\/td>1000 credits\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Thumbnail.ws<\/td>Capture screenshots of websites<\/td>500 screenshots\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Urlbox<\/td>Capture screenshots of websites<\/td>1000 captures\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    ScreenshotLayer<\/td>Capture screenshots of websites<\/td>100 captures\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    ApiFlash<\/td>Capture screenshots of websites<\/td>100 screenshots\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    AbstractAPI Screenshot<\/td>Capture screenshots of websites<\/td>100 screenshots\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Snapito<\/td>Capture screenshots of websites<\/td>100 captures\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Website2PDF<\/td>Convert web pages to PDFs<\/td>100 captures\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    ScreenshotMachine<\/td>Capture screenshots of websites<\/td>1000 screenshots\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Stillio<\/td>Automatic website screenshot capture<\/td>1000 captures\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    GemPixel<\/td>Capture screenshots of websites<\/td>100 captures\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    <\/a> SEO APIs \ud83d\udd0d\ud83d\udcc8\ud83d\udca1<\/h2>\n\n\n\n
    Name<\/th>Description<\/th>Free Tier Limit<\/th>Authentication<\/th>Documentation<\/th><\/tr><\/thead>
    Moz<\/td>SEO metrics and data<\/td>100 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    SEMrush<\/td>SEO metrics and data<\/td>100 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Serpstat<\/td>SEO metrics and data<\/td>1000 queries\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    SpyFu<\/td>SEO metrics and competitor analysis<\/td>500 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    DataForSEO<\/td>SEO data for keywords, SERPs, and more<\/td>100 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    CognitiveSEO<\/td>SEO metrics and data<\/td>1000 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Majestic<\/td>SEO metrics and data<\/td>100 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    SERP API<\/td>Real-time search engine results<\/td>1000 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    RankRanger<\/td>SEO metrics and rank tracking<\/td>1000 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Seobility<\/td>SEO metrics and data<\/td>1000 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    BrightLocal<\/td>Local SEO data and metrics<\/td>1000 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    SearchMetrics<\/td>SEO metrics and data<\/td>1000 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    STAT<\/td>Real-time search engine results<\/td>1000 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Linkody<\/td>Backlink checker and SEO metrics<\/td>1000 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    <\/a> Shopping APIs \ud83d\udecd\ufe0f\ud83d\uded2\ud83d\udce6<\/h2>\n\n\n\n
    Name<\/th>Description<\/th>Free Tier Limit<\/th>Authentication<\/th>Documentation<\/th><\/tr><\/thead>
    Amazon Product Advertising API<\/td>Access to Amazon product data<\/td>1,000 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    eBay API<\/td>Access to eBay product data and marketplace<\/td>5,000 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Walmart API<\/td>Access to Walmart product data and marketplace<\/td>5,000 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Best Buy API<\/td>Access to Best Buy product data<\/td>5,000 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Etsy API<\/td>Access to Etsy product data and marketplace<\/td>5,000 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Rakuten API<\/td>Access to Rakuten product data and marketplace<\/td>5,000 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Shopify API<\/td>Access to Shopify store data and marketplace<\/td>Unlimited<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    WooCommerce API<\/td>Access to WooCommerce store data and marketplace<\/td>Unlimited<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    BigCommerce API<\/td>Access to BigCommerce store data and marketplace<\/td>Unlimited<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    AliExpress API<\/td>Access to AliExpress product data and marketplace<\/td>1,000 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Zalando API<\/td>Access to Zalando product data and marketplace<\/td>5,000 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Target API<\/td>Access to Target product data and marketplace<\/td>1,000 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Flipkart API<\/td>Access to Flipkart product data and marketplace<\/td>5,000 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Costco API<\/td>Access to Costco product data and marketplace<\/td>5,000 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Home Depot API<\/td>Access to Home Depot product data and marketplace<\/td>5,000 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    <\/a> Developer APIs \ud83d\udcbb\ud83d\udd27\ud83d\udee0\ufe0f<\/h2>\n\n\n\n
    Name<\/th>Description<\/th>Free Tier Limit<\/th>Authentication<\/th>Documentation<\/th><\/tr><\/thead>
    GitHub API<\/td>Access to GitHub data<\/td>Unlimited<\/td>OAuth<\/td>Link<\/a><\/td><\/tr>
    GitLab API<\/td>Access to GitLab data<\/td>Unlimited<\/td>OAuth<\/td>Link<\/a><\/td><\/tr>
    Bitbucket API<\/td>Access to Bitbucket data<\/td>Unlimited<\/td>OAuth<\/td>Link<\/a><\/td><\/tr>
    Travis CI API<\/td>Access to Travis CI data<\/td>Unlimited<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Jenkins API<\/td>Access to Jenkins data<\/td>Unlimited<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    CircleCI API<\/td>Access to CircleCI data<\/td>Unlimited<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    GitKraken API<\/td>Access to GitKraken data<\/td>Unlimited<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Heroku API<\/td>Access to Heroku data and services<\/td>Unlimited<\/td>OAuth<\/td>Link<\/a><\/td><\/tr>
    Vercel API<\/td>Access to Vercel data and services<\/td>Unlimited<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Netlify API<\/td>Access to Netlify data and services<\/td>Unlimited<\/td>OAuth<\/td>Link<\/a><\/td><\/tr>
    Firebase API<\/td>Access to Firebase data and services<\/td>Unlimited<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    DigitalOcean API<\/td>Access to DigitalOcean data and services<\/td>Unlimited<\/td>OAuth<\/td>Link<\/a><\/td><\/tr>
    AWS API<\/td>Access to AWS data and services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Azure API<\/td>Access to Azure data and services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Google Cloud API<\/td>Access to Google Cloud data and services<\/td>$300 free credit<\/td>API key<\/td>Link<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    <\/a> Travel and Transportation APIs \ud83d\udeeb\ud83d\ude97\ud83d\ude89<\/h2>\n\n\n\n
    Name<\/th>Description<\/th>Free Tier Limit<\/th>Authentication<\/th>Documentation<\/th><\/tr><\/thead>
    Skyscanner API<\/td>Access to flight search and booking data<\/td>500 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Amadeus API<\/td>Access to travel booking and search data<\/td>500 calls\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Google Flights API<\/td>Access to flight search and booking data<\/td>1000 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Rome2Rio API<\/td>Access to multimodal travel search data<\/td>1000 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Sabre API<\/td>Access to travel booking and search data<\/td>500 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Kayak API<\/td>Access to flight and hotel search data<\/td>500 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Expedia API<\/td>Access to travel booking and search data<\/td>500 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Priceline API<\/td>Access to travel booking and search data<\/td>500 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    TripAdvisor API<\/td>Access to travel reviews and search data<\/td>500 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Airbnb API<\/td>Access to short-term rental data<\/td>500 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Lyft API<\/td>Access to ride-sharing data<\/td>1000 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Uber API<\/td>Access to ride-sharing data<\/td>1000 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    BlaBlaCar API<\/td>Access to carpooling data<\/td>500 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Yelp API<\/td>Access to business and review data<\/td>5000 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    TransportAPI<\/td>Access to public transport data<\/td>1000 requests\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    <\/a> Communication APIs \ud83d\udcde\ud83d\udcac\ud83d\udce7<\/h2>\n\n\n\n
    Name<\/th>Description<\/th>Free Tier Limit<\/th>Authentication<\/th>Documentation<\/th><\/tr><\/thead>
    Twilio API<\/td>Access to SMS, voice, and messaging services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    SendGrid API<\/td>Access to email sending services<\/td>100 emails\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Mailgun API<\/td>Access to email sending services<\/td>5,000 emails\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Nexmo API<\/td>Access to SMS, voice, and messaging services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Plivo API<\/td>Access to SMS, voice, and messaging services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Pusher API<\/td>Real-time communication services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Postmark API<\/td>Access to email sending services<\/td>100 emails\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    SignalWire API<\/td>Access to SMS, voice, and messaging services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Mandrill API<\/td>Access to email sending services<\/td>2,000 emails\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    ClickSend API<\/td>Access to SMS, voice, and messaging services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Tropo API<\/td>Access to SMS, voice, and messaging services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Slack API<\/td>Access to Slack messaging services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Discord API<\/td>Access to Discord messaging services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Zoom API<\/td>Access to Zoom video conferencing services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Intercom API<\/td>Access to Intercom messaging services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    <\/a> Payment and Financial APIs \ud83d\udcb3\ud83d\udcb8\ud83c\udfe6<\/h2>\n\n\n\n
    Name<\/th>Description<\/th>Free Tier Limit<\/th>Authentication<\/th>Documentation<\/th><\/tr><\/thead>
    Stripe API<\/td>Access to payment processing services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    PayPal API<\/td>Access to payment processing services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Square API<\/td>Access to payment processing services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Braintree API<\/td>Access to payment processing services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Authorize.net API<\/td>Access to payment processing services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Plaid API<\/td>Access to financial data and services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Dwolla API<\/td>Access to payment processing services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Wise API<\/td>Access to international money transfer services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Worldpay API<\/td>Access to payment processing services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    WePay API<\/td>Access to payment processing services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Revolut API<\/td>Access to financial data and services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Xero API<\/td>Access to accounting and financial data<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    QuickBooks API<\/td>Access to accounting and financial data<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Yodlee API<\/td>Access to financial data and services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Intuit API<\/td>Access to accounting and financial data<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    <\/a> Analytics and Monitoring APIs \ud83d\udcca\ud83d\udcc8\ud83d\udcc9<\/h2>\n\n\n\n
    Name<\/th>Description<\/th>Free Tier Limit<\/th>Authentication<\/th>Documentation<\/th><\/tr><\/thead>
    Google Analytics API<\/td>Access to Google Analytics data<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Mixpanel API<\/td>Access to Mixpanel analytics data<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Amplitude API<\/td>Access to Amplitude analytics data<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Hotjar API<\/td>Access to Hotjar analytics data<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Heap API<\/td>Access to Heap analytics data<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Piwik PRO API<\/td>Access to Piwik PRO analytics data<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Segment API<\/td>Access to Segment analytics data<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Crazy Egg API<\/td>Access to Crazy Egg analytics data<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Woopra API<\/td>Access to Woopra analytics data<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Kissmetrics API<\/td>Access to Kissmetrics analytics data<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Clicky API<\/td>Access to Clicky analytics data<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Open Web Analytics API<\/td>Access to Open Web Analytics data<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Yandex Metrica API<\/td>Access to Yandex Metrica analytics data<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    StatCounter API<\/td>Access to StatCounter analytics data<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Chartbeat API<\/td>Access to Chartbeat analytics data<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    <\/a> Natural Language Processing (NLP) APIs \ud83d\udde3\ufe0f\ud83d\udd0d\ud83d\udcac<\/h2>\n\n\n\n
    Name<\/th>Description<\/th>Free Tier Limit<\/th>Authentication<\/th>Documentation<\/th><\/tr><\/thead>
    Google Cloud NLP<\/td>Natural language processing services<\/td>$300 free credit<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    IBM Watson NLP<\/td>Natural language processing services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Microsoft Azure NLP<\/td>Natural language processing services<\/td>$200 free credit<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Amazon Comprehend<\/td>Natural language processing services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    TextRazor<\/td>Natural language processing services<\/td>5000 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Aylien NLP<\/td>Natural language processing services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    MonkeyLearn<\/td>Text analysis and natural language processing<\/td>300 queries\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    MeaningCloud<\/td>Text analysis and natural language processing<\/td>20,000 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Algorithmia NLP<\/td>Natural language processing algorithms<\/td>10,000 queries\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Wit.ai<\/td>Natural language processing and chatbot integration<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Lexalytics<\/td>Text analysis and natural language processing<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    SapienAPI<\/td>Natural language processing services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    ChatterBot<\/td>Natural language processing and chatbot integration<\/td>Free tier available<\/td>None<\/td>Link<\/a><\/td><\/tr>
    TisaneAPI<\/td>Text analysis and natural language processing<\/td>30,000 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    DeepAI Text API<\/td>Natural language processing services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    <\/a> Utilities and Tools APIs \ud83d\udee0\ufe0f\ud83d\udd27\u2699\ufe0f<\/h2>\n\n\n\n
    Name<\/th>Description<\/th>Free Tier Limit<\/th>Authentication<\/th>Documentation<\/th><\/tr><\/thead>
    IPinfo<\/td>IP address information and geolocation<\/td>50,000 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    OpenWeatherMap<\/td>Weather data including forecasts and current weather<\/td>60 calls\/min<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Twilio API<\/td>Access to SMS, voice, and messaging services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    SendGrid API<\/td>Access to email sending services<\/td>100 emails\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Clearbit API<\/td>Business intelligence data<\/td>50,000 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    IPStack<\/td>IP geolocation and information<\/td>10,000 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    AbstractAPI<\/td>Various utility APIs like IP geolocation, email validation<\/td>500 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Apify API<\/td>Web scraping and automation<\/td>10,000 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    ScraperAPI<\/td>Web scraping tool<\/td>5000 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Postman API<\/td>API development and testing tools<\/td>Unlimited<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Sentry API<\/td>Application monitoring and error tracking<\/td>5000 events\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Stripe API<\/td>Access to payment processing services<\/td>Free tier available<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    PDF.co API<\/td>PDF generation and data extraction<\/td>1000 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Bitly API<\/td>URL shortening and link management<\/td>1000 requests\/month<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    OpenCage Geocoding<\/td>Forward and reverse geocoding<\/td>2,500 calls\/day<\/td>API key<\/td>Link<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    <\/a> Government and Open Data APIs \ud83c\udfdb\ufe0f\ud83d\udcdc\ud83d\udcca<\/h2>\n\n\n\n
    Name<\/th>Description<\/th>Free Tier Limit<\/th>Authentication<\/th>Documentation<\/th><\/tr><\/thead>
    Data.gov API<\/td>US government open data<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    UK Government API<\/td>UK government open data<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    EU Open Data Portal API<\/td>European Union open data<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    World Bank API<\/td>Global development data<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    UN Data API<\/td>United Nations open data<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    OECD Data API<\/td>Economic and social data from OECD<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Census.gov API<\/td>US Census Bureau data<\/td>Unlimited<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Open Data Soft<\/td>Various open data from different sources<\/td>Unlimited<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    City of New York API<\/td>New York City open data<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    USGS API<\/td>US Geological Survey data<\/td>Unlimited<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    NASA API<\/td>Access to NASA data and imagery<\/td>Unlimited<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    Open States API<\/td>US state legislative data<\/td>Unlimited<\/td>API key<\/td>Link<\/a><\/td><\/tr>
    USA.gov API<\/td>US government information and services<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Data.gov.au API<\/td>Australian government open data<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    HealthData.gov API<\/td>US health-related open data<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr>
    Gov.br API<\/td>Brazil<\/td>Unlimited<\/td>None<\/td>Link<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"

    Table of Contents Weather APIs \u26c5\ufe0f\ud83c\udf26\ufe0f\ud83c\udf29\ufe0f Name Description Free Tier Limit Authentication Documentation OpenWeatherMap Global weather data including forecasts and current weather 60 calls\/min API key Link Weatherstack Real-time and historical weather data 1000 calls\/month API key Link Weatherbit Weather data including forecasts and current weather 500 calls\/day API key Link Climacell Hyper-local weather data […]<\/p>\n","protected":false},"author":4,"featured_media":261,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[226,106,53,35],"tags":[258],"class_list":["post-260","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-open-source","category-programming","category-software-development","category-web-development","tag-free-api"],"jetpack_featured_media_url":"https:\/\/innohub.powerweave.com\/wp-content\/uploads\/2025\/03\/https-__dev-to-uploads.s3.amazonaws.com_uploads_articles_ot5bsdbpostercqfexfo.jpg","_links":{"self":[{"href":"https:\/\/innohub.powerweave.com\/index.php?rest_route=\/wp\/v2\/posts\/260","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innohub.powerweave.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/innohub.powerweave.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/innohub.powerweave.com\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/innohub.powerweave.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=260"}],"version-history":[{"count":1,"href":"https:\/\/innohub.powerweave.com\/index.php?rest_route=\/wp\/v2\/posts\/260\/revisions"}],"predecessor-version":[{"id":262,"href":"https:\/\/innohub.powerweave.com\/index.php?rest_route=\/wp\/v2\/posts\/260\/revisions\/262"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/innohub.powerweave.com\/index.php?rest_route=\/wp\/v2\/media\/261"}],"wp:attachment":[{"href":"https:\/\/innohub.powerweave.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=260"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/innohub.powerweave.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=260"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/innohub.powerweave.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=260"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}