Back to all status codes

406

Not Acceptable

Client Error
RFC 7231

The server cannot generate a response matching the list of acceptable values defined in the request headers.

Detailed Information

The 406 status code indicates that the server cannot generate a response matching the list of acceptable values defined in the request headers.

Common Examples

  • API requests with unsupported media types
  • Web page requests with unsupported content types

Common Uses

  • API requests with unsupported media types
  • Web page requests with unsupported content types

Best Practices

  • Use when the requested resource is not acceptable
  • Include Accept-Ranges header if range requests are supported
  • Ensure proper content negotiation mechanisms are in place

Quick Actions

Category Information

Client Error

The request contains bad syntax or cannot be fulfilled

Related Status Codes

3 similar
400

Bad Request

The server cannot or will not process the request due to something that is perceived to be a client error.

401

Unauthorized

The request requires user authentication.

402

Payment Required

Reserved for future use.

Available for Freelance

Fullstack developer specializing in Flutter Mobile Apps, .Net Back End, and Angular/React. Let's build something amazing together!

Contact me

Stay in the loop

Get notified about new tools and updates

HTTP Status Codes Reference - Complete List with Descriptions