Gratis API:er värda att koppla in.
Gratis API:er och API:er med gratisnivå som vi faktiskt griper efter — LLM-gateways, dataflöden, media och dev-verktyg. Många behöver ingen nyckel alls.
Cerebras Inference
Wafer-scale chips serving open models at extreme tokens-per-second, free tier
Cloudflare Workers AI
Run 40+ open models at the edge with a free daily Neuron budget
Cohere API (Trial key)
Free trial keys for chat, embed, and rerank; great for RAG prototypes
GitHub Models
Frontier and open models for free using only your GitHub token
Google Gemini API
Free multimodal Gemini Flash with a daily request budget, no card
Groq API
Fastest open-model inference around, free with no credit card
Hugging Face Inference Providers
One key routes to many providers; small free monthly credit, huge model choice
Mistral La Plateforme (Experiment tier)
Free Experiment tier across all Mistral models, phone verify instead of a card
NVIDIA NIM (build.nvidia.com)
100+ optimized models free for prototyping at build.nvidia.com
OpenRouter
One OpenAI-compatible endpoint, 25+ genuinely free models behind a :free suffix
SambaNova Cloud
A truly persistent free tier on RDU hardware, no card, no expiring credits
api4ai OCR
Keyless public OCR demo endpoint plus a free RapidAPI plan for image text extraction
AssemblyAI
$50 in free credits, no card; speech-to-text plus LeMUR LLM audio intelligence
Azure AI Vision
Free F0 tier: 5,000 OCR/analysis transactions a month with no credit consumed
Clarifai
1,000 free operations a month on a deep catalogue of pretrained vision models
Deepgram
$200 in non-expiring credits, no card, ~430 hours of Nova speech-to-text before you pay
Eden AI
One API key in front of 30+ providers for OCR, vision, speech and LLMs
Gladia
Recurring 10 free hours of transcription every month, no card, all features on
Google Cloud Vision API
First 1,000 units per feature every month free, forever, for OCR and image labels
Nyckel
Train a custom image or text classifier from a handful of samples on an always-free tier
OCR.space Free OCR API
25k OCR calls/month on a free key, plus a shared 'helloworld' demo key for instant testing
Picovoice Leopard & Cheetah
On-device speech-to-text, free for up to 100 hours of audio per month including commercial use
Roboflow Hosted Inference
$60/month in free credits to run thousands of community vision models via a hosted API
Art Institute of Chicago API
Searchable museum collection with IIIF images and CC0 works, no key
Cover Art Archive
Free album artwork for any MusicBrainz release: front/back covers plus 250/500/1200px thumbnails by MBID, no key.
Deezer Public API
Keyless catalogue search across Deezer: tracks, artists, albums, ISRCs, plus 30s preview MP3 URLs.
DiceBear Avatars API
Deterministic SVG/PNG avatars from any seed string, no account, many styles
Giphy API
Search, trending and random GIFs and stickers with an instant free beta key
iTunes Search API (Apple)
Search Apple's catalogue of music, podcasts, apps and movies with no key at all
Jamendo API
Half a million Creative Commons tracks you can actually stream and download
Lorem Picsum
Placeholder photos straight from a URL, zero signup, infinite mockups
Met Museum Collection API
470,000+ artworks and public-domain images, totally keyless
MusicBrainz API
Open music encyclopedia: artists, releases, recordings and MBIDs, no key
OMDb API (Open Movie Database)
One-call movie and series lookup by title or IMDb ID, 1,000 free calls a day
Pexels API
Free stock photos AND videos from one key, no card required
Pixabay API
Photos, illustrations, vectors and videos under a permissive license, free key
TheAudioDB
Rich artist/album/track metadata plus high-quality artwork, biographies, moods, and tempo via a dead-simple key-in-URL API.
TMDB API (The Movie Database)
Rich movie and TV metadata, posters and credits, free for non-commercial use
Unsplash API
Millions of free high-res photos with structured search and download tracking
YouTube Data API v3
Search YouTube and read video/channel/playlist data within a 10,000-unit daily free quota
adsb.lol API
Community-run, fully open ADS-B flight tracking: query live aircraft by hex, callsign, registration, military flag, or lat/lon radius, no key.
BigDataCloud Reverse Geocode (Client)
Keyless client-side reverse geocoding to city/locality, free for browser use
Foursquare Places API
Best-in-class POI database with rich place attributes and categories, plus 500 free Pro calls every month.
Geoapify
3,000 free credits/day across geocoding, places, routing and map tiles, no card
Geoapify Places API
POI search across 500+ OSM-derived categories with a generous 3,000-credit/day free tier and no credit card.
HERE Location Services
Enterprise-grade maps, geocoding, routing, and places with a true no-card freemium of 250,000 transactions/month.
ip-api.com
45 free IP geolocations a minute, no key and no signup, with batch support
ipapi.co
IP-to-location with city, region, country, lat/lon and ASN, 1,000 lookups a day with no key
IPinfo Lite
Unlimited free IP-to-country and ASN lookups with a free token, no quota
LocationIQ
Nominatim-compatible geocoding, reverse geocoding, and autocomplete with a real 5,000 requests/day free tier.
Nominatim (OpenStreetMap)
Free forward and reverse geocoding straight off OpenStreetMap data, no key
Open-Meteo
Free no-key weather, forecast, history, air quality, geocoding and elevation in one API
OpenAQ
Open global air-quality measurements (PM2.5, NO2, O3) from thousands of stations
OpenSky Network API
Live global flight state vectors (position, altitude, velocity) from a crowdsourced ADS-B sensor network, free for research and hobby use.
OpenWeatherMap (Free Access APIs)
60 calls/min and 1M/month of current weather, 5-day forecast, air pollution and geocoding, no card
Overpass API (OpenStreetMap)
Query the entire OpenStreetMap database for any tagged feature, no key, no signup, fully free and open.
Photon (Komoot)
Open-source OSM geocoder with search-as-you-type, free and keyless on Komoot's public endpoint.
REST Countries (v5)
Free reference data for every country: flags, currencies, languages, borders, codes
Sunrise-Sunset
Free, keyless sunrise, sunset, solar noon and twilight times for any coordinate
TimeZoneDB
Free time zone, UTC offset and DST lookups by coordinates, zone or IP
Transitland v2 REST API
Worldwide aggregated GTFS feeds: operators, routes, stops, schedules and feed metadata across thousands of transit agencies, with a free API key.
Transport for London (TfL) Unified API
Live London transport: tube/bus/rail status, arrivals, journey planning, stop points and disruptions; works keyless, free key for 10x the rate.
USGS Earthquake Catalog
Real-time and historical earthquakes as GeoJSON, fully free with no key
Zippopotam.us
Free, keyless postal/ZIP code lookups across 60+ countries with coordinates
Alpha Vantage
Free stock, forex, crypto and economic data plus 50+ technical indicators, no card
Binance Public Market Data API
Exchange-grade crypto market data: real-time prices, klines, order books, no key needed
Blockchair API
One unified API across ~40 mainnet blockchains (Bitcoin, Ethereum, Litecoin, Dogecoin and more) with keyless stats and dashboards.
Blockstream Esplora API
Keyless, no-signup REST API for full Bitcoin (and Liquid) chain data: blocks, transactions, addresses, UTXOs, mempool, and fee estimates.
CoinGecko API
The de-facto free crypto price API; keyless public endpoints plus a no-card demo key
CoinLore API
Zero-auth crypto ticker API; one curl, no key, no signup, no docs friction
Coinpaprika API
Fully keyless crypto market data with 20k free calls/month and no signup
Etherscan API V2
The canonical Ethereum + multichain explorer API: verified contract ABIs/source, tx lists, token transfers and balances from one free key.
ExchangeRate-API
Currency conversion with a true no-card free tier and a fully keyless open endpoint
Financial Modeling Prep (FMP)
Free fundamentals and financial statements API; quotes, ratios and 5yr filings
Finnhub
Generous free real-time US stock, forex and crypto API; 60 calls/minute
Frankfurter (FX Rates)
Open-source, keyless foreign-exchange rates sourced from central banks, with full history
mempool.space API
Free, no-key Bitcoin mempool + fee-estimation API powering the popular mempool.space explorer; ideal for fee bumping and confirmation tracking.
Polygon.io
Institutional-grade market data with a free tier for end-of-day stocks, crypto and FX
PublicNode RPC (Ethereum & EVM)
Free, privacy-first, no-key JSON-RPC endpoints for Ethereum and dozens of other chains; drop-in for ethers/viem/web3 reads.
Twelve Data
Stocks, forex, crypto and indicators in one API with 800 free calls/day
World Bank Open Data API
Keyless macroeconomic indicators for every country: GDP, inflation, population and more
Aviation Weather Center API (aviationweather.gov)
Official US NWS aviation weather: METARs, TAFs, PIREPs, SIGMETs and AIRMETs in JSON/XML/GeoJSON, completely free and keyless.
Data.gov Catalog API (GSA v4)
Metadata search across hundreds of thousands of US government datasets
EIA Open Data API (v2)
US energy: prices, production, electricity, free key
Eurostat Statistics API
Official EU statistics in JSON-stat, no key
FBI Crime Data API (UCR/NIBRS)
US crime stats from 18,000+ agencies, free data.gov key
FRED API (St. Louis Fed)
800,000+ economic time series, one free key
GBIF (Global Biodiversity Information Facility)
Billions of species occurrence records, free and keyless to read
National Weather Service API (weather.gov)
US forecasts, alerts & observations, no key ever
NHTSA vPIC Vehicle API
Decode any VIN and look up vehicle makes, models, manufacturers and equipment plants from the official US DOT catalog, free and keyless.
openFDA
FDA drug, device & food adverse events and recalls as JSON
OpenSanctions API
Sanctions, PEP & watchlist screening; self-host or non-commercial for free
U.S. Census Bureau Data API
ACS, decennial & economic census data down to the block group
USAJOBS API
Official US federal government job board; free API key unlocks every open federal position with salary and series filters.
USAspending.gov API
Every US federal contract, grant & loan, keyless
USDA FoodData Central
Authoritative US-government nutrient database with detailed nutrition data for branded and standard-reference foods; free key, 1,000 requests/hour.
USGS Earthquake Catalog (FDSNWS)
Real-time + historical earthquakes as GeoJSON, no key
World Bank Indicators API
45+ databases of development indicators for 200+ countries, zero auth
Beeceptor
Stand up a named mock REST endpoint in seconds with no signup, or hit Beeceptor's ready-made public sample APIs for instant fake JSON.
Cloudflare DNS over HTTPS
Resolve any DNS record over HTTPS with a keyless JSON GET
Cloudflare Trace
Instant edge diagnostics; caller IP, country, colo, TLS and HTTP version
GitHub REST API
Read repos, issues, users, releases and code search straight from github.com
Hacker News API
Official keyless Firebase feed of HN stories, comments and rankings in near real time.
Have I Been Pwned — Pwned Passwords
Check passwords against billions of breaches with k-anonymity; no key needed
httpbin
HTTP request and response inspector; echo headers, status codes, auth, delays
is.gd URL Shortener
Shorten and expand URLs with a keyless GET; JSON, simple or XML output
JSONPlaceholder
Fake REST API for prototyping; posts, users, todos, comments out of the box
Microlink API
Turn any URL into structured metadata, screenshots and link previews
Nager.Date Public Holidays
Public holidays for 100+ countries; keyless, no rate limit, offline-capable
npm Registry API
Query the public npm registry for any package's metadata, versions, dist-tags, and download counts: no key.
PyPI JSON API
Fetch any Python package's metadata, releases, and download URLs from PyPI as JSON, no key.
QR Server (goQR.me)
Generate or read QR codes with a single image URL; no key, no signup
QuickChart
Render Chart.js charts, QR codes and graphs as images from a URL
ReqRes
Hosted fake REST backend for paginated users and auth flows; free key, no card
UI Avatars
Initials-based PNG/SVG avatars from a name; configurable colors and size
Webhook.site
Spin up a throwaway URL (and email address) and inspect every webhook, HTTP request, or email it receives, in real time.
Al Quran Cloud API
Full Quran text, translations, transliterations, and audio recitations by surah, ayah, page, or juz, completely keyless.
arXiv API
Search and pull metadata for 2.4M+ scientific preprints, no key
BALLDONTLIE
Clean, well-documented sports stats API best known for free NBA data, with a no-card free tier and an official MCP server for Claude agents.
Bible-API (bible-api.com)
Fetch any Bible passage or a random verse as JSON in seconds; multiple public-domain translations, zero auth.
Crossref REST API
Authoritative metadata and DOIs for 165M+ scholarly records, no key
Datamuse API
Word-finding engine: rhymes, synonyms, autocomplete and context, no key (until 2027)
football-data.org
Free European football (soccer) data API with competitions, fixtures, standings and top scorers for the top leagues and tournaments.
Free Dictionary API
Word definitions, phonetics, audio, synonyms and examples as JSON, no key
Fruityvice
Tiny keyless API for fruit nutrition and taxonomy: calories, sugar, protein, fat, and carbs per 100g.
Genius API
Search Genius's song database and pull rich song metadata and annotation references with a free, non-expiring token.
Google Books API
Google's massive book index: search by keyword, title, author, or ISBN and get rich volume metadata, descriptions, categories, and preview links.
Gutendex (Project Gutenberg)
Search 70,000+ free public-domain ebooks from Project Gutenberg as clean JSON, with direct download links to EPUB, plain text, and HTML.
Jolpica-F1 (Ergast successor)
The free, drop-in replacement for the retired Ergast Formula 1 API: full historical race results, schedules, standings, drivers and constructors since 1950.
LibreTranslate
Open-source, self-hostable machine translation API (AGPL); run it offline with no key and no quota, or hit a community mirror for free.
Lingva Translate
A free, key-less, privacy-friendly front-end to Google Translate quality via a single GET URL.
LRCLIB
Open synced + plain lyrics database with a totally free, no-key API and timestamped LRC output.
MLB Stats API (statsapi.mlb.com)
MLB Advanced Media's public Stats API: teams, schedules, live game feeds, standings and deep player/team stats, with no API key at all.
MyMemory Translation API
The web's largest collaborative translation memory, exposed as a no-signup REST endpoint that blends human and machine translations; 5,000 chars/day free, 50,000 with just an email.
New York Times Developer APIs
Free NYT key unlocks Top Stories, Article Search, Most Popular and a full headline Archive.
NHL Web API (api-web.nhle.com)
The NHL website's own undocumented JSON API: live scores, schedules, standings, rosters and play-by-play, no key required.
Open Brewery DB
Keyless open dataset of thousands of breweries, cideries, brewpubs, and bottleshops worldwide, with geo filtering.
Open Food Facts
Open, crowdsourced database of millions of packaged food products with nutrition facts, ingredients, allergens, and Nutri-Score by barcode; no API key for reads.
Open Library API
Book, author and ISBN data plus cover images for 20M+ titles, no key
Open Library API
The Internet Archive's open book catalogue: search by title/author/ISBN, resolve works and editions, and pull cover images by ISBN/OLID, all keyless.
Open Trivia Database (OpenTDB)
Thousands of verified, categorized trivia questions and answers as JSON, no key
OpenAlex API
Open catalog of 250M+ works, authors and institutions, free key, $1/day free
PoetryDB
Search poems by author, title, lines or length and get full text, no key
Semantic Scholar Academic Graph API
Search 200M+ papers with AI relevance, citations and references, optional key
TheCocktailDB
Free database of cocktail and mixed-drink recipes with ingredients, measures, glassware, IBA classification, and images.
TheMealDB
Free crowd-sourced recipe database: search thousands of meals worldwide by name, ingredient, or cuisine, with photos and step-by-step instructions.
TheSportsDB
Open, crowd-sourced sports database covering soccer, NBA, NFL, MLB, NHL, F1 and hundreds more leagues, with a free test key that works instantly with no signup.
Wikidata Query Service & REST API
Query the world's largest open knowledge graph with SPARQL, no key
Wikimedia / Wikipedia API
Page summaries, full article HTML, search and media from every Wikimedia project, no key
Wiktionary REST API
Free, official Wikimedia endpoint for crowd-sourced multilingual definitions and etymology, straight from Wiktionary.
Wolfram|Alpha API
Computational knowledge: math, units, science, geography answers, free 2000/mo
ClinicalTrials.gov API v2
Query 450k+ registered clinical studies worldwide, keyless JSON
disease.sh
Free COVID-19 and influenza statistics, global and per-country, no key
NASA EONET (Natural Events)
Near-real-time wildfires, storms, volcanoes and floods worldwide, no key
NASA Open APIs
One free key unlocks APOD, Mars rover photos, near-Earth asteroids, EPIC and more
Open Notify (ISS)
Where is the ISS right now and who is in space, no key needed
PubMed E-utilities (NCBI Entrez)
Search and fetch 35M+ biomedical citations and abstracts, no key required
Spaceflight News API (SNAPI)
Keyless REST feed of spaceflight news, blogs and reports from 40+ sources.
The Cat API / The Dog API
Random cat and dog images plus breed data, keyless basics, free key for more
WHO Global Health Observatory (OData)
Official WHO health indicators by country and year, no key
Adzuna Jobs API
Free developer tier across 12+ countries with search plus salary-histogram and top-companies analytics.
Arbeitnow Job Board API
Keyless, CORS-enabled feed of fresh European and remote ATS jobs in one flat JSON envelope.
Bluesky / AT Protocol Public API
Read Bluesky profiles, threads and feeds with zero auth via the public AppView
Currents API
Global multilingual news search and latest-news feed with a 1,000/day free plan.
DEV (Forem) API
Read and publish DEV / Forem blog posts and comments over a clean REST API
GNews API
Simple multi-source news search and top-headlines API with a no-card free tier.
Hacker News API (Firebase)
Real-time HN stories, comments and users with zero auth and no rate limit
Hacker News Search API (Algolia)
Full-text search over every HN story and comment, keyless and free
Jobicy Remote Jobs API
Keyless v2 JSON feed of remote jobs filterable by region, industry, and keyword tag; also an MCP server.
Last.fm API
Scrobble-powered music data: artist/album/track info, similar artists, tags, top charts, and playcounts.
Lobste.rs JSON API
Computing-focused link aggregator stories as JSON, fully open
Mastodon API
Read public fediverse timelines and posts from any instance, often keyless
NewsData.io News API
Multi-country news search with a no-card free tier giving ~2,000 articles/day.
Product Hunt API
GraphQL access to daily launches and makers, free token in two minutes
Reddit Data API
Official Reddit listings and search, 100 QPM free for non-commercial use
Remotive Remote Jobs API
One keyless GET returns every active remote job on Remotive as clean JSON; perfect raw material for a job-feed Skill.
RSS2JSON
Turn any RSS or Atom feed into clean JSON in one GET, no key needed
Stack Exchange API
Query Stack Overflow and 170+ Q&A sites; 10k requests/day with a free key
The Guardian Open Platform
2.7M Guardian articles with full body text, 5,000 free calls/day
The Muse Jobs API
Works keyless for testing; a free key bumps you to 3,600 req/hr of company-rich job listings.
Wikimedia / Wikipedia REST API
Page summaries, full content, and search from Wikipedia with no key
Abstract API Holidays
Holidays for 200+ countries with religious and observance types
Advice Slip API
Random one-line life advice, no key, instant
Agify / Genderize / Nationalize
Predict age, gender, and nationality from a first name
Bored API (App Brewery)
Random activity suggestions when you have nothing to do
Calendarific
Global holiday calendar for 230+ countries with rich typing
DummyJSON
Full fake REST API: products, carts, users, posts, auth
ip-api.com
Geolocate any IP (country, city, ISP, ASN) with no key
ipify
Dead-simple 'what is my public IP' API, IPv4 and IPv6
QR Code Generator (goQR.me)
Generate or read QR codes by URL, no key, PNG/SVG/EPS
ZenQuotes
Inspirational quotes API that is actually still up in 2026
AbstractAPI Email Validation
Real-time email validation with MX, SMTP, disposable and catch-all checks, no card
Brevo (formerly Sendinblue)
300 transactional emails a day on a no-card free plan with full API, SMTP and webhooks
DeBounce Disposable Email Check
Keyless GET request that tells you if an email domain is a throwaway provider
Discord Incoming Webhooks
Post rich messages to a Discord channel with one keyless HTTP POST
Mailgun Flex (Free)
100 emails a day with a real REST API, no credit card, from a battle-tested provider
Mailtrap Email Sandbox
Catch and inspect outgoing email in a fake inbox so test sends never hit real people
ntfy.sh
Push to your phone with a plain HTTP POST, no account and no key
Pushover
Reliable push notifications to iOS/Android/desktop, 10,000 free messages a month
Resend
Developer-first transactional email with a clean REST API and React email support
SMTP2GO
1,000 emails a month on a free plan that never expires, with API and SMTP relay
Telegram Bot API
Free messaging to phones via a bot; the cleanest no-cost notification channel