Beginner
REST & OpenAPI
Define endpoints with an OpenAPI 3.1 spec and get a live REST API instantly. Includes an interactive playground.
RESTOpenAPI 3.1CRUD
5 minView Example
Explore practical examples and implementation patterns. Learn through hands-on demos and copy-paste ready code.
Spec viewer and live playground for every protocol the builder supports.
Define endpoints with an OpenAPI 3.1 spec and get a live REST API instantly. Includes an interactive playground.
Import a GraphQL SDL and mock queries and mutations with realistic auto-generated data.
Upload a .proto file and mock RPC methods — including server-streaming procedures.
Import a WSDL and mock SOAP operations with envelope-level XML responses.
Real-world patterns for using Mock API Builder in your stack.
Build a complete REST API client with authentication, error handling, and retry logic.
Create a webhook endpoint to receive and process events from external services.
Automatically populate your database with realistic mock data for testing.
Implement rate limiting to protect your APIs from abuse and ensure fair usage.
Secure your mock APIs with JSON Web Token authentication and authorization.
We welcome community contributions! Share your implementation patterns and help other developers learn.