Access-Control-Request-Method

{{HTTPSidebar}} 

The HTTP Access-Control-Request-Method {{Glossary("request header")}}  is used by browsers when issuing a {{glossary("preflight request")}}  to let the server know which HTTP method will be used when the actual request is made. This header is necessary because the preflight request is always an {{HTTPMethod("OPTIONS")}}  and doesn’t use the same method as the actual request.

Syntax

Access-Control-Request-Method: <method>

Directives

• <method>
  • : An HTTP request method; for example, {{HTTPMethod("GET")}} , {{HTTPMethod("POST")}} , or {{HTTPMethod("DELETE")}} .

Examples

Access-Control-Request-Method: POST

Specifications

{{Specifications}} 

Browser compatibility

{{Compat}} 

See also

• {{HTTPHeader("Access-Control-Request-Headers")}}