API Indexes:

• Awesome APIs
• RapidAPI
• APIsList
• API Guru
• FreePublicAPIs
• APIVault
• API House
• Any API

API Security Resources

Security is a priority when working with APIs. These tools provide insights and best practices:

• Awesome API Security
• APIKit

Specialized API Lists

For unique needs, these specialized indexes are invaluable:

• List of Providers
• Free AI Stuff
• cool ai stuff!
• Respy
• API Together

API Builders and Connectors

Need to build or connect an API? These tools simplify the process:

• hoppscotch
• Firecamp
• Strapi
• Shizuku

Testing and Debugging APIs

Before deploying, testing is crucial. These tools make it easy to debug and validate APIs:

• HTTPie
• Beeceptor
• Bruno
• Rest Test Test

API Mocking Tools

Mock APIs can simulate endpoints for testing and prototyping:

• Mockable
• {JSON} Placeholder
• Mocky
• MockLab
• Mockae

Frameworks for Building APIs

These frameworks help create APIs efficiently:

• FastAPI
• InstantAPIs

Data and Integration APIs

Turn data into actionable APIs or connect to specific platforms:

• Stein
• Lanyard
• cf-workers-telegram-bot

Unique and Niche APIs

Explore APIs with specialized use cases:

• Perspective API
• Plaid
• PDF Bot

Documentation and Client Tools

Creating and understanding API documentation is simplified with these tools:

• ReDoc
• Insomnia
• Insomnium

Disclaimer: The tools and resources mentioned in this article are based on personal preferences and experiences. I do not receive sponsorships or endorsements from any of the mentioned tools or platforms. Please evaluate these resources based on your specific needs and use cases.