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Why don't APIs have a general path for reporting API errors?

How does it works ? Could you give some example please :D

I would imagine setting a header or query param to trigger better tracing and submission to an bug reporter could be generally useful.

Ah, I got some ideal here. So, you mean:

1/ We should have an API tracing system, hosted in a server for example, which capture all requests, including the params, headers, response. with some secure rule, e.g. hide Secret-Token header.

2/ Each request will have a header, its value is the request-id for example

3/ Whenever a bug come, we just need use request-id from 2/ and search the information in 1/

Right ?

I can't think of why not, besides the overhead with tracing .. but I already do tracing on my apps so I could do this very easily.

I built several tracing systems, but none of them capturing & storing the API's response, cause too expensive, you know. Could you share more about your tracing system? I think we can learn from others.

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