Free APIs you can call today.
2,134 public APIs across 51 categories, from weather and maps to finance and games. Each one shows whether it needs a key, runs over HTTPS, and can be called straight from the browser, like these:
Recorded response
GET
{ "current": { "time": "2026-10-16T09:00", "interval": 900, "temperature_2m": 11.4, "wind_speed_10m": 9.7, "weather_code": 3 }, "current_units": { "time": "iso8601", "interval": "seconds", "temperature_2m": "°C", "wind_speed_10m": "km/h", "weather_code": "wmo code" }, "latitude": 52.52, "longitude": 13.419998, "timezone": "GMT"}
SampleNo key
Berlin, now11°COvercast9.7 km/h wind
Open-Meteo and more like it- Need no API key
- 1,022
- Work from the browser (CORS)
- 850
- No key, HTTPS and CORS
- 499
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Animals24Random pet photos, animal facts, breeds and biodiversity dataAnime20Anime and manga databases, user lists, quotes, images and scene searchAnti-Malware17File, URL, domain and IP reputation checks against threat databasesArt & Design30Museum collections, icons, colour palettes, emoji and placeholder imagesAuthentication & Authorization7Login, passwordless auth, OTP and permission servicesBlockchain17On-chain data, node access, indexers and smart contract toolingBooks26Book metadata, covers, public domain texts, poetry and scripturesBusiness42Company data, email marketing, analytics, invoicing and public tendersCalendar20Public holidays, name days, religious calendars and calendar eventsCloud Storage & File Sharing19Cloud drives, file uploads, pastebins and IPFS storageContinuous Integration6CI/CD services to trigger builds and read pipeline statusCryptocurrency94Coin prices, market data, exchange trading APIs and on-chain statsCurrency Exchange27Current and historical exchange rates and currency conversionData Validation16Validate addresses, VAT numbers, e-invoices and profanity in textDevelopment212IP lookups, QR codes, screenshots, mock servers, package registries and moreDictionaries15Word definitions, synonyms, pronunciations and multilingual dictionariesDocuments & Productivity53PDF generation, file conversion, OCR, task managers and note appsEmail36Sending mail, address validation and temporary inboxes for testingEntertainment19Jokes, memes, fun facts and novelty APIs for bots and side projectsEnvironment30Air quality, pollen, grid carbon intensity, emissions and solar dataEvents4Event listings and ticketing for concerts, sports and local eventsFinance96Stock quotes, economic data, company filings, payments and bankingFood & Drink34Recipes, nutrition facts, barcode product data, beer and cocktailsGames & Comics108Game stats, card databases, game deals, trivia, jokes and comic dataGeocoding110Address geocoding, maps, postcodes, country data and IP geolocationGovernment122National and city open data portals, legislation, census and spending dataHealth47Drug data, recalls, provider registries, nutrition and disease statisticsJobs35Job listings from boards and aggregators, plus skills and occupation dataMachine Learning53Hosted AI models for text, images, speech, embeddings and visionMusic35Track metadata, lyrics, streaming catalogues, concerts and radio stationsNews26Headlines and articles from publishers and news aggregatorsOpen Data76Encyclopedias, archives, company registers, sanctions and public datasetsOpen Source Projects11Package metadata, GitHub stats cards, badges and open source toolsPatent4Patent search from the USPTO, EPO and Taiwan patent officePersonality27Quotes, advice, jokes and inspirational messagesPhone8Phone number validation, carrier lookup and device specsPhotography37Stock photos, image hosting, placeholders, compression and editingProgramming5Code execution, competitive programming data and docs generationScience & Math59Research papers, biology databases, space data, earthquakes and mathSecurity60Threat intelligence, vulnerability data, breach checks and TLS scannersShopping27Marketplaces, store platforms, product catalogues and electronic partsSocial57Social networks, chat bots, forums and community platformsSports & Fitness63Live scores, fixtures, player stats, betting odds and fitness trackersTest Data36Fake users, products, avatars, placeholder text and mock endpointsText Analysis20Language detection, translation, sentiment and entity extractionTracking11Parcel and shipment tracking across couriers, plus habit trackingTransportation93Transit schedules, flight and ship tracking, EV charging and routingURL Shorteners21Short links with click tracking, custom domains and self-hostingVehicle15Vehicle specs, VIN decoding, prices, recalls and safety dataVideo58Movie and TV metadata, subtitles, video hosting and video renderingWeather46Forecasts, current conditions, historical weather, air quality and UV