Categories
All API categories in the directory — from AI & ML to Maps & Mobility.
All API categories in the directory — from AI & ML to Maps & Mobility.
Category pages are the long-tail discovery layer of the directory. They preserve the vocabulary used by upstream public API collections, which helps map search intent directly to a stable, crawlable landing page.
This is especially useful for niche subjects where users search by ecosystem label rather than by protocol or vendor. Start here if you know the category name already.
Development
190 APIsBrowse free public APIs tagged under Development.
Games & Comics
96 APIsBrowse free public APIs tagged under Games & Comics.
Transportation
96 APIsBrowse free public APIs tagged under Transportation.
Geocoding
95 APIsBrowse free public APIs tagged under Geocoding.
Government
83 APIsBrowse free public APIs tagged under Government.
Cryptocurrency
62 APIsBrowse free public APIs tagged under Cryptocurrency.
Finance
49 APIsBrowse free public APIs tagged under Finance.
Social
42 APIsBrowse free public APIs tagged under Social.
Video
41 APIsBrowse free public APIs tagged under Video.
Documents & Productivity
40 APIsBrowse free public APIs tagged under Documents & Productivity.
Open Data
35 APIsBrowse free public APIs tagged under Open Data.
Weather
35 APIsBrowse free public APIs tagged under Weather.
Security
34 APIsBrowse free public APIs tagged under Security.
Science & Math
33 APIsBrowse free public APIs tagged under Science & Math.
Sports & Fitness
33 APIsBrowse free public APIs tagged under Sports & Fitness.
Business
29 APIsBrowse free public APIs tagged under Business.
Animals
28 APIsBrowse free public APIs tagged under Animals.
Music
28 APIsBrowse free public APIs tagged under Music.
Health
27 APIsBrowse free public APIs tagged under Health.
Personality
27 APIsBrowse free public APIs tagged under Personality.
Photography
26 APIsBrowse free public APIs tagged under Photography.
Test Data
26 APIsBrowse free public APIs tagged under Test Data.
Books
22 APIsBrowse free public APIs tagged under Books.
Machine Learning
22 APIsBrowse free public APIs tagged under Machine Learning.
Food & Drink
21 APIsBrowse free public APIs tagged under Food & Drink.
Jobs
21 APIsBrowse free public APIs tagged under Jobs.
Art & Design
20 APIsBrowse free public APIs tagged under Art & Design.
Calendar
20 APIsBrowse free public APIs tagged under Calendar.
Anime
19 APIsBrowse free public APIs tagged under Anime.
Cloud Storage & File Sharing
18 APIsBrowse free public APIs tagged under Cloud Storage & File Sharing.
Currency Exchange
18 APIsBrowse free public APIs tagged under Currency Exchange.
Data Validation
18 APIsBrowse free public APIs tagged under Data Validation.
News
18 APIsBrowse free public APIs tagged under News.
Environment
17 APIsBrowse free public APIs tagged under Environment.
Anti-Malware
16 APIsBrowse free public APIs tagged under Anti-Malware.
Text Analysis
16 APIsBrowse free public APIs tagged under Text Analysis.
Shopping
15 APIsBrowse free public APIs tagged under Shopping.
URL Shorteners
15 APIsBrowse free public APIs tagged under URL Shorteners.
Finance & Economics
14 APIsBrowse free public APIs tagged under Finance & Economics.
Browse free public APIs tagged under Email.
Blockchain & Cryptocurrencies
10 APIsBrowse free public APIs tagged under Blockchain & Cryptocurrencies.
Databases
10 APIsBrowse free public APIs tagged under Databases.
Dictionaries
10 APIsBrowse free public APIs tagged under Dictionaries.
Open Source Projects
9 APIsBrowse free public APIs tagged under Open Source Projects.
Tracking
9 APIsBrowse free public APIs tagged under Tracking.
AI & ML
8 APIsBrowse free public APIs tagged under AI & ML.
Blockchain
8 APIsBrowse free public APIs tagged under Blockchain.
Email & SMS
8 APIsBrowse free public APIs tagged under Email & SMS.
Entertainment
8 APIsBrowse free public APIs tagged under Entertainment.
Vehicle
7 APIsBrowse free public APIs tagged under Vehicle.
Analytics
6 APIsBrowse free public APIs tagged under Analytics.
Continuous Integration
6 APIsBrowse free public APIs tagged under Continuous Integration.
Food & Drinks
6 APIsBrowse free public APIs tagged under Food & Drinks.
Project Management
5 APIsBrowse free public APIs tagged under Project Management.
Search
5 APIsBrowse free public APIs tagged under Search.
Authentication & Authorization
4 APIsBrowse free public APIs tagged under Authentication & Authorization.
Chats & Messaging
4 APIsBrowse free public APIs tagged under Chats & Messaging.
Commerce
4 APIsBrowse free public APIs tagged under Commerce.
CRM
4 APIsBrowse free public APIs tagged under CRM.
Events
4 APIsBrowse free public APIs tagged under Events.
Patent
4 APIsBrowse free public APIs tagged under Patent.
Phone
4 APIsBrowse free public APIs tagged under Phone.
Voice
4 APIsBrowse free public APIs tagged under Voice.
Disasters
3 APIsBrowse free public APIs tagged under Disasters.
Education
3 APIsBrowse free public APIs tagged under Education.
Marketing & SEO
3 APIsBrowse free public APIs tagged under Marketing & SEO.
Music & Audio
3 APIsBrowse free public APIs tagged under Music & Audio.
Programming
3 APIsBrowse free public APIs tagged under Programming.