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+ 0 = . / , ] g " # ) > /v1/apis · THE FREE API DIRECTORY
Public APIs[0754]
754 free public APIs across 52 categories. Filter by auth, CORS, HTTPS support — find what you need to build with.
Nownodes
Blockchain-as-a-service solution that provides high-quality connection via API
Numbers
Number of the day, random number, number facts and anything else you want to do with numbers
NumlookupAPI
Worldwide Phone Number Lookup & Verification API
Nutritionix
Worlds largest verified nutrition database
ObjectCut
Image Background removal
OCR AI
Document validation API using OCR and AI. Automatically extracts data from documents and compares it with user-provided data to verify consistency
Ogli
Generate short links like any other shortener but with custom OG/meta tags for perfect previews. Ideal for SPAs, apps, and anyone who wants control over what gets shared.
Oikolab
70+ years of global, hourly historical and forecast weather data from NOAA and ECMWF
OKEx
Cryptocurrency exchange based in Seychelles
OkJob
4 day week job board
Olostep
AI-native web search, scraping, and crawling API that delivers clean, structured, real-time web data. Used by top AI companies
OLX Poland
Integrate with local sites by posting, managing adverts and communicating with OLX users
One Map, Singapore
Singapore Land Authority REST API services for Singapore addresses
OneSignal
Self-serve customer engagement solution for Push Notifications, Email, SMS & In-App
OpenAI
Use AI models such as ChatGPT or DALL-E to experience the capabilities of AI
OpenAQ
Open air quality data
Open Bank Project
Enable account holders to interact with their banks using a wider range of applications and services
OpenCage
Forward and reverse geocoding using open data
Open Charge Map
Global public registry of electric vehicle charging locations
OpenCorporates
Data on corporate entities and directors in many countries
openFDA
Public FDA data about drugs, devices and foods
OpenFIGI
Equity, index, futures, options symbology from Bloomberg LP
Open Government, Estonia
Estonia Government Open Data
Open Government, France
French Government Open Data
Open Government, India
Indian Government Open Data
Open Government, Korea
Korea Government Open Data
Open Government, Luxembourg
Luxembourgish Government Open Data
Open Government, New South Wales
New South Wales Government Open Data
Open Government, Portugal
Portugal Government Open Data
Open Government, Thailand
Thailand Government Open Data