mirror of https://github.com/zulip/zulip.git
47 lines
2.0 KiB
Markdown
47 lines
2.0 KiB
Markdown
# Error handling
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Zulip's API will always return a JSON format response.
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The HTTP status code indicates whether the request was successful
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(200 = success, 40x = user error, 50x = server error). Every response
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will contain at least two keys: `msg` (a human-readable error message)
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and `result`, which will be either `error` or `success` (this is
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redundant with the HTTP status code, but is convenient when printing
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responses while debugging).
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For some common errors, Zulip provides a `code` attribute. Where
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present, clients should check `code`, rather than `msg`, when looking
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for specific error conditions, since the `msg` strings are
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internationalized (e.g. the server will send the error message
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translated into French if the user has a French locale).
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Each endpoint documents its own unique errors; below, we document
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errors common to many endpoints:
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{generate_code_example|/rest-error-handling:post|fixture}
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To help clients avoid exceeding rate limits, Zulip sets the following
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HTTP headers in all API responses:
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* `X-RateLimit-Remaining`: The number of additional requests of this
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type that the client can send before exceeding its limit.
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* `X-RateLimit-Limit`: The limit that would be applicable to a client
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that had not made any recent requests of this type. This is useful
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for designing a client's burst behavior so as to avoid ever reaching
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a rate limit.
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* `X-RateLimit-Reset`: The time at which the client will no longer
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have any rate limits applied to it (and thus could do a burst of
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`X-RateLimit-Limit` requests).
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[Zulip's rate limiting rules are configurable][rate-limiting-rules],
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and can vary by server and over time. The default configuration
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currently limits:
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* Every user is limited to 200 total API requests per minute.
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* Separate, much lower limits for authentication/login attempts.
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When the Zulip server has configured multiple rate limits that apply
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to a given request, the values returned will be for the strictest
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limit.
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[rate-limiting-rules]: https://zulip.readthedocs.io/en/latest/production/security-model.html#rate-limiting
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