HTTP 201 (Created): meaning and handling

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: HTTP 201 reports that processing the request created one or more resources.

Could be also:
Constant	Type	OS
ERROR_RELOC_CHAIN_XEEDS_SEGLIM	Win32 error	Windows
DRIVER_VERIFIER_IOMANAGER_VIOLATION	BugCheck Code	Windows

HTTP_STATUS_CREATED

The primary created resource should normally be identified by a Location header. The response body can describe the new resource or provide links to it.

For API clients, keep the returned identifier and validators such as ETag. Retrying a create request without an idempotency mechanism can create duplicate resources.

RFC 9110: HTTP Semantics

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