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2,078 APIs · page 28 of 44

Open Page Rank

API for calculating and comparing metrics of different websites using Page Rank algorithm

apiKeyHTTPSCORS ?

Development

Open Scholarships

Free, openly-licensed directory of US scholarships and student aid from official sources

No authHTTPSCORS

Open Data

Open Science Framework

Repository and archive for study designs, research materials, data, manuscripts, etc

No authHTTPSCORS ?

Science & Math

Open Targets

Gene-disease-drug target associations

No authHTTPSCORS

Health

Open Topo Data

Elevation and ocean depth for a latitude and longitude

No authHTTPSNo CORS

Geocoding

Open Trivia

Trivia Questions

No authHTTPSCORS ?

Games & Comics

Open VSX

Search and access VS Code extensions from the Open VSX registry

No authHTTPSCORS

Development

Open-Meteo

Free weather API for non-commercial use

No authHTTPSCORS

Environment

Open-Meteo

Global weather forecast API for non-commercial use

No authHTTPSCORS

Weather

Open-Meteo Ensemble

Weather ensemble forecasts from multiple models

No authHTTPSCORS

Weather

openAFRICA

Large datasets repository of African open data

No authHTTPSCORS ?

Open Data

OpenAlex

Open catalog of scholarly works, authors, institutions, sources, and concepts

No authHTTPSCORS

Science & Math

OpenAPIHub

The All-in-one API Platform

X-Mashape-KeyHTTPSCORS ?

Development

OpenAQ

Open air quality data

apiKeyHTTPSCORS ?

Environment

OpenCage

Forward and reverse geocoding using open data

apiKeyHTTPSCORS

Geocoding

OpenCorporates

Data on corporate entities and directors in many countries

apiKeyHTTPSCORS ?

Open Data

OpenF1

Real-time and historical Formula 1 data including laps, car telemetry and positions

No authHTTPSCORS

Sports & Fitness

openFDA

Public FDA data about drugs, devices and foods

apiKeyHTTPSCORS ?

Health

OpenFIGI

Equity, index, futures, options symbology from Bloomberg LP

apiKeyHTTPSCORS

Finance

OpenFoot API

Football fixtures, results, standings, lineups, live events and shot-level xG across 75 competitions

apiKeyHTTPSCORS

Sports & Fitness

OpenGraphr

Really simple API to retrieve Open Graph data from an URL

apiKeyHTTPSCORS ?

Development

OpenLigaDB

Crowd sourced sports league results

No authHTTPSCORS

Sports & Fitness

OpenMercantil

Spanish company public data and BORME event timelines

No authHTTPSCORS

Government

OpenQR

Generate QR codes and manage dynamic (editable) QR codes with scan analytics

apiKeyHTTPSCORS

Development

OpenRegistry

Real-time queries to 80+ national company registries (UK, FR, DE, IT, ES, KR and more)

OAuthHTTPSCORS ?

Government

OpenRouter

Unified API for 300+ LLMs from OpenAI, Anthropic, Meta, Mistral and more, with a free tier

apiKeyHTTPSCORS

Machine Learning

openrouteservice.org

Directions, POIs, isochrones, geocoding (+reverse), elevation, and more

apiKeyHTTPSCORS ?

Geocoding

OpenSanctions

Data on international sanctions, crime and politically exposed persons

No authHTTPSCORS

Open Data

openSenseMap

Data from Personal Weather Stations called senseBoxes

No authHTTPSCORS

Weather

OpenSky Network

Free real-time ADS-B aviation data

No authHTTPSCORS ?

Transportation

OpenStates

US state legislature bills and lawmakers

apiKeyHTTPSCORS ?

Government

OpenSubtitles

Search and download subtitles for movies and TV shows

apiKeyHTTPSCORS

Video

OpenTiendas

Official e-commerce API and webhooks

apiKeyHTTPSCORS ?

Shopping

OpenUV

Real-time UV Index Forecast

apiKeyHTTPSCORS ?

Weather

OpenVan

Fuel prices for 121 countries, food cost index & vanlife weather scores for RV travel

No authHTTPSCORS

Transportation

OpenVisionAPI

Open source computer vision API based on open source models

No authHTTPSCORS

Machine Learning

OpenWeatherMap

Weather

apiKeyHTTPSCORS ?

Weather

Openwhyd

Download curated playlists of streaming tracks (YouTube, SoundCloud, etc...)

No authHTTPSNo CORS

Music

ORB Intelligence

Company lookup

apiKeyHTTPSCORS ?

Business

OrbitalWiki

Catalog of 16,000+ satellites merging CelesTrak, GCAT, Wikidata; free tier included

apiKeyHTTPSCORS

Science & Math

Orca Scan

Generate barcode images (QR, Code 128, EAN, Data Matrix and more) in SVG, PNG, JPG or PDF

No authHTTPSCORS

Development

Orion Health

Medical platform which allows the development of applications for different healthcare scenarios

OAuthHTTPSCORS ?

Health

Orizn Visa

Visa requirements for 199 countries, 39K+ passport-destination pairs in 15 languages

apiKeyHTTPSCORS

Transportation

OSV

Open source vulnerability database and distributed triage infrastructure

No authHTTPSCORS

Security

OutageDeck

Live status and incidents for 170+ cloud and SaaS providers from official feeds

No authHTTPSCORS

Development

Owen Wilson Wow

API for actor Owen Wilson's "wow" exclamations in movies

No authHTTPSCORS

Video

owo

A simple link obfuscator/shortener

No authHTTPSCORS ?

URL Shorteners

Oxford

Dictionary Data

apiKeyHTTPSNo CORS

Dictionaries

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