Free Public APIs for Developers and Agents
Free public web APIs that developers and AI agents can call. Entries come from the open public-apis list; each link was checked automatically (HTTP status) on the date shown, which says the site responded, not that the API is good.
OpenTiendas
Official e-commerce API and webhooks
OpenUV
Real-time UV Index Forecast
OpenVan
Fuel prices for 121 countries, food cost index & vanlife weather scores for RV travel
OpenWeatherMap
Weather
Openwhyd
Download curated playlists of streaming tracks (YouTube, SoundCloud, etc...)
OrbitalWiki
Catalog of 16,000+ satellites merging CelesTrak, GCAT, Wikidata; free tier included
Orca Scan
Generate barcode images (QR, Code 128, EAN, Data Matrix and more) in SVG, PNG, JPG or PDF
Orion Health
Medical platform which allows the development of applications for different healthcare scenarios
Orizn Visa
Visa requirements for 199 countries, 39K+ passport-destination pairs in 15 languages
OSV
Open source vulnerability database and distributed triage infrastructure
OutageDeck
Live status and incidents for 170+ cloud and SaaS providers from official feeds
owo
A simple link obfuscator/shortener
Oxford
Dictionary Data
oyyi
API for Fake Data, image/video conversion, optimization, pdf optimization and thumbnail generation
Packagist
PHP Composer package versions and dist metadata
Padel Snipe
4,000+ mapped padel clubs across 9 European countries with GPS and courts
PageCDN
Public API for javascript, css and font libraries on PageCDN
Pan Africa Data
Macroeconomic and subnational income distribution data for all 54 African countries
PandaDoc
DocGen and eSignatures API
PandaScore
E-sports games and results
Pangolinfo Amazon Data
Amazon product, review, search and Best Sellers data across 20+ marketplaces
Pantry
Free JSON storage for small projects
paralelo.bo
Bolivia parallel-market USD/BOB exchange rate, aggregated from P2P sources every 60s
ParcelGPS
European cadastral parcels by reference or point: coordinates, area, land use and geometry
Paribu
Turkish cryptocurrency exchange with real-time market data, trading and WebSocket streams
Parlay
Real-time sports odds and player props from 45+ sportsbooks and sources across 90+ sports
Passwordinator
Generate random passwords of varying complexities
Pastebin
Plain Text Storage
PatentsView
API is intended to explore and visualize trends/patterns across the US innovation landscape
Path of Exile
Path of Exile Game Information
PayCrunch
US wages for 1,008 occupations and by state, from BLS OEWS May 2025, static JSON, CC BY 4.0
PDFMint
HTML, Markdown or a URL to PDF or PNG, with a no-key demo endpoint and a free tier
pdfrender
HTML and CSS to PDF with page headers, footers and page numbers, no headless browser
Peak
Cloudflare Turnstile and 5-second challenge solving, pay per successful solve, 1,000 free solves
PeakMetrics
News articles and public datasets
PeopleSearch
People and company search in plain English, with verified work emails and email verification
Personality.fyi
Free MBTI personality types and OEJTS test scoring
Perspective
NLP API to return probability that if text is toxic, obscene, insulting or threatening
Pexafy
Semantic image search across 9+ free stock photo sources with a unified JSON schema
Pexels
Free Stock Photos and Videos
Phishin
A web-based archive of legal live audio recordings of the improvisational rock band Phish
PhishStats
Phishing database
Phone Specification
Rest Api for Phone specifications
Phone Validation
Validate phone numbers globally
PhotoRoom
Remove background from images
PHP-Noise
Noise Background Image Generator
Pick an Agency
Search 47,000+ marketing agencies by service, location and rating
PickShade
Convert colors, check WCAG and APCA contrast, build palettes, gradients and tokens
Pinata
IPFS Pinning Services API
Pinball Map
A crowdsourced map of public pinball machines
Pink Agentic AI Payments
Approval layer for AI agent payments: per-agent budgets, rules, single-use credentials, sandbox
PinnWire
Real-time Pinnacle odds for 13 sports — live and prematch over REST, WebSocket and SSE drop alerts
The world's catalog of ideas
Pixabay
Photography
Pixela
API for recording and tracking habits or effort, routines
PlaceBear
Placeholder bear pictures
PlaceCall
AI agent places phone calls to US businesses and returns the outcome, transcript and recording
PlaceDog
Placeholder Dog pictures
PlaceKeanu
Resizable Keanu Reeves placeholder images with grayscale and young Keanu options
Plaid
Connect with user's bank accounts and access transaction data
PlayerDB
Query Minecraft, Steam and XBox Accounts
PlayerElo
Player-level Elo ratings, predictions and history for 176 football leagues
PM2.5 Open Data Portal
Open low-cost PM2.5 sensor data
Podio
File sharing and productivity
PoetryDB
Enables you to get instant data from our vast poetry collection
Pokéapi
Pokémon Information
PokéAPI (GraphQL)
The Unofficial GraphQL for PokeAPI
Pokémon TCG
Pokémon TCG Information
PokéSprite
Database of Pokémon sprites and icons
Poloniex
US based digital asset exchange
PolyDoc
HTML/URL to PDF and screenshots, plus Factur-X/ZUGFeRD e-invoices; free tier
Polygon
Historical stock market data
PolyKal Fees
Kalshi & Polymarket trading fee rates and formulas as verified JSON
PontoFato
Brazilian postal codes (CEP) with IBGE coordinates, addresses and the companies registered there
Portfolio Optimizer
Portfolio analysis and optimization
positionstack
Forward & Reverse Batch Geocoding REST API
PositiveQuotation
Source-verified public-domain English proverbs with provenance
PostalCodeCheck
City, region and coordinates for 887,000+ postal codes across 95 countries
PostalCodes
Postal code search, country exports, and address validation data
Postali
Mexico Zip Codes API
Postcodes.io
Postcode lookup & Geolocation for the UK
PostLake
One API to publish, schedule, and read analytics across every major social network
Postman
Tool for testing APIs
Postman Echo
Test api server to receive and return value from HTTP method
PostNord
Provides information about parcels in transport for Sweden and Denmark
Postproxy
Publish posts, comments, DMs, and more
PostStack
EU-hosted email API for transactional and marketing email, with contacts, broadcasts, and analytics
PotterDB
Harry Potter universe database with characters, spells, potions and more
Premier League Standings
All Current Premier League Standings and Statistics
Presend
Security and developer utility API -- malware, vulnerability, and domain checks, no signup
PrexView
Data from XML or JSON to PDF, HTML or Image
PrintSocket
Send PDFs, ZPL labels and ESC/POS receipts to your own printers from any language; free tier
Privacy.com
Generate merchant-specific and one-time use credit card numbers that link back to your bank
ProblemsByVin
Owner complaints, recalls and failure-mileage statistics by vehicle make, model and year
Product Hunt
The best new products in tech
ProductGuru
Consumer product-safety recall notices from 11 government registers, looked up by barcode (EAN/GTIN)
Profitvana
Seller fees for 31 marketplaces and payment processors, verified monthly
Programming Quotes
Programming Quotes API for open source projects
PropLine
Real-time player-props betting odds with graded prop resolution across 13 books
ProxyCrawl
Scraping and crawling anticaptcha service