httpstatuses/contents/codes/200.md

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---
set: 2
code: 200
title: OK
references:
"Rails HTTP Status Symbol": ":ok"
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"Go HTTP Status Constant": "http.StatusOK"
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---
The request has succeeded.
The payload sent in a 200 response depends on the request method. For the
methods defined by this specification, the intended meaning of the payload can
be summarized as:
* `GET` a representation of the target resource
* `HEAD` the same representation as `GET`, but without the representation data
* `POST` a representation of the status of, or results obtained from, the action;
* `PUT` `DELETE` a representation of the status of the action;
* `OPTIONS` a representation of the communications options;
* `TRACE` a representation of the request message as received by the end server.
Aside from responses to CONNECT, a 200 response always has a payload, though an
origin server MAY generate a payload body of zero length. If no payload is
desired, an origin server ought to send [204 No Content](/204) instead. For
CONNECT, no payload is allowed because the successful result is a tunnel, which
begins immediately after the 200 response header section.
A 200 response is cacheable by default; i.e., unless otherwise indicated by the
method definition or explicit cache controls<sup>[1](#ref-1)</sup>.
---
* <span id="ref-1"><sup>1</sup> Calculating Heuristic Freshness
[RFC7234 Section 4.2.2][2]</span>
* Source: [RFC7231 Section 6.3.1][1]
[1]: <http://tools.ietf.org/html/rfc7231#section-6.3.1>
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[2]: <http://tools.ietf.org/html/rfc7234#section-4.2.2>