HTTP request inspection, mocked API response, HTTP proxy
TrasHTTPandas
这个网站提供各种状态码的 HTTP 回应，供 API 调用，可以用来调试前端请求。
GraphQL Inspector
Bulletproof your GraphQL API
RequestBin
Inspect HTTP requests in a human-friendly way
AProxy
Powerful proxy network for web scraping, AI, and data collection.
Mockable
For rapid API prototyping: create REST/SOAP mocks in 3 sec
ParrotBay