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
479APIs from major cloud platforms — compute, storage, databases, networking, and managed services that power most production stacks.
Open Data
129Developer Tools
96Analytics
43Financial services
31APIs for payments, banking data, market quotes, and forex — the building blocks of fintech apps and embedded finance.
Media & entertainment
30APIs serving music, video, podcasts, and entertainment metadata.
Payment
25Location
15Telecom
12Social
11APIs for social networks, communities, and content platforms.
Entertainment
9Development
8Security & identity
7APIs for authentication, threat intelligence, malware analysis, URL reputation, and credential management.
Collaboration
6Geocoding
6Transportation
6Weather
5Anime
4Anime and manga databases, recommendations, and trackers.
Cryptocurrency
4Documents And Productivity
4E-commerce
4APIs for storefronts, catalogs, orders, inventory, and marketplace integration.
Games And Comics
4Jobs
4Machine Learning
4Sports And Fitness
4Text & language
4APIs for translation, language detection, NLP, and text analysis.
Music
3Text Analysis
3Animals
2Pet adoption, wildlife data, and animal facts/photos.
Art And Design
2Books
2Currency Exchange
2APIs for transactional and marketing email — sending, deliverability tracking, and inbox processing.
Finance
2Hosting
2Personality
2Photography
2Science And Math
2Transport & mobility
2APIs for transit data, mapping, geocoding, and logistics.
Anti-malware
1APIs for malware detection, URL reputation, and phishing checks.
Authentication And Authorization
1Backend
1Business
1Developer tools
1APIs for code hosting, CI/CD, error tracking, and engineering workflow automation.
Forms
1Government
1IoT & hardware
1APIs for connected devices, networking gear, and hardware platforms.
Marketing
1Messaging & communications
1APIs for SMS, voice, video calling, chat, and push notifications.