https://httpbin.org/

它将在请求中使用以下类型的任何数据进行回显:

https://httpbin.org/anything Returns most of the below. https://httpbin.org/ip Returns Origin IP. https://httpbin.org/user-agent Returns user-agent. https://httpbin.org/headers Returns header dict. https://httpbin.org/get Returns GET data. https://httpbin.org/post Returns POST data. https://httpbin.org/put Returns PUT data. https://httpbin.org/delete Returns DELETE data https://httpbin.org/gzip Returns gzip-encoded data. https://httpbin.org/status/:code Returns given HTTP Status code. https://httpbin.org/response-headers?key=val Returns given response headers. https://httpbin.org/redirect/:n 302 Redirects n times. https://httpbin.org/relative-redirect/:n 302 Relative redirects n times. https://httpbin.org/cookies Returns cookie data. https://httpbin.org/cookies/set/:name/:value Sets a simple cookie. https://httpbin.org/basic-auth/:user/:passwd Challenges HTTPBasic Auth. https://httpbin.org/hidden-basic-auth/:user/:passwd 404'd BasicAuth. https://httpbin.org/digest-auth/:qop/:user/:passwd Challenges HTTP Digest Auth. https://httpbin.org/stream/:n Streams n–100 lines. https://httpbin.org/delay/:n Delays responding for n–10 seconds.

https://www.mockable.io。它有很好的功能，无需登录就可以获得端点(24小时临时帐户)

看看PutsReq，它与其他类似，但它也允许您使用JavaScript编写您想要的响应。

下面是一个邮差回声:https://docs.postman-echo.com/

例子:

curl --request POST \
  --url https://postman-echo.com/post \
  --data 'This is expected to be sent back as part of response body.'

回应:

{"args":{},"data":"","files":{},"form":{"This is expected to be sent back as part of response body.":""},"headers":{"host":"postman-echo.com","content-length":"58","accept":"*/*","content-type":"application/x-www-form-urlencoded","user-agent":"curl/7.54.0","x-forwarded-port":"443","x-forwarded-proto":"https"},"json":{"...

Webhook Tester是一个很好的工具:https://webhook.site (GitHub)

对我来说很重要的是，它显示了请求者的IP，当您需要将一个IP地址列入白名单但不确定它是什么时，这很有帮助。

有http://ptsv2.com/

“在这里，你会发现一个服务器，它可以接收你想要发送的任何POST，并存储内容供你审阅。”