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40 lines
915 B
Markdown
40 lines
915 B
Markdown
# Use Appropriate Status Codes
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Every API MUST use the appropriate [HTTP Status Codes](https://github.com/for-GET/know-your-http-well/blob/master/status-codes.md) to communicate the result of a request operation.
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Every API designer, implementer and consumer MUST understand the semantic of the HTTP Status Code she is using.
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At a minimum everyone MUST be familiar with the semantics of ["Common" HTTP Status Codes](https://github.com/for-GET/know-your-http-well/blob/master/status-codes.md#common).
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---
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#### Example
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A request:
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```
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GET /order/1234 HTTP/1.1
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...
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```
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resulting in the **200 OK** response, when the requested resource (as identified by the request URI) couldn't be found:
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```
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HTTP/1.1 200 OK
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Content-Type: application/json
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...
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{
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"code": "NOT_FOUND_ERR_CODE"
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"message" "Order 1234 wasn't found"
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}
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```
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is **illegal**.
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Instead the
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```
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HTTP/1.1 404 Not Found
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...
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```
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should be returned. |