Browse by what an API does
Every public API is tagged with a primary category from its OpenAPI metadata or our curation. Use this index to drill into a domain — cloud, financial, security, anime — without using the search page.
Cloud infrastructure
417APIs from major cloud platforms — compute, storage, databases, networking, and managed services that power most production stacks.
Open Data
186Developer Tools
99Analytics
43Financial services
32APIs for payments, banking data, market quotes, and forex — the building blocks of fintech apps and embedded finance.
Media & entertainment
31APIs serving music, video, podcasts, and entertainment metadata.
Payment
25Location
15Telecom
12Social
11APIs for social networks, communities, and content platforms.
Entertainment
9E-commerce
8APIs for storefronts, catalogs, orders, inventory, and marketplace integration.
Security & identity
8APIs for authentication, threat intelligence, malware analysis, URL reputation, and credential management.
Collaboration
6Development
6Geocoding
6Transportation
6Weather
6Anime
4Anime and manga databases, recommendations, and trackers.
Cryptocurrency
4Documents And Productivity
4Games And Comics
4Jobs
4Text & language
4APIs for translation, language detection, NLP, and text analysis.
Machine Learning
3Music
3Sports And Fitness
3Text Analysis
3Animals
2Pet adoption, wildlife data, and animal facts/photos.
Art And Design
2Books
2Currency Exchange
2Finance
2Hosting
2Personality
2Photography
2Science And Math
2Search
2Transport & mobility
2APIs for transit data, mapping, geocoding, and logistics.
Anti-malware
1APIs for malware detection, URL reputation, and phishing checks.
Backend
1Business
1Developer tools
1APIs for code hosting, CI/CD, error tracking, and engineering workflow automation.
APIs for transactional and marketing email — sending, deliverability tracking, and inbox processing.
Forms
1IoT & hardware
1APIs for connected devices, networking gear, and hardware platforms.
Marketing
1Messaging & communications
1APIs for SMS, voice, video calling, chat, and push notifications.