Request

HTTP Accept-Language Header

Indicates which natural languages the client prefers. The server uses this for content negotiation to return the appropriate language version.

Purpose

Allows servers to serve localized content based on the user's language preferences.

Accept-Language: en-US Accept-Language: fr, en;q=0.9 Accept-Language: ar;q=1.0, en;q=0.5

Code Examples

See how to use the Accept-Language header in different tools and languages.

curl -H "Accept-Language: ar" https://api.example.com
document
curl -H "Accept-Language: fr, en;q=0.9" https://api.example.com/page

Related Headers

Accept

Informs the server about the media types the client can process in the response. The server uses content negotiation to select one of the proposed formats.

Accept-Encoding

Indicates which content encoding (compression algorithm) the client supports. The server may compress the response body using one of these methods.

Content-Type

Indicates the media type (MIME type) of the resource being sent. Tells the client how to interpret the response body.

Vary

Determines how the response should be cached based on request headers. Ensures caches serve the correct version based on varying request criteria.

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HTTP Headers Reference

Complete reference of all HTTP request and response headers

accept-language headerhttp accept-languagehttp headers guide