417Expectation Failed

Expect header expectation failed

#When does this occur?

Returned when the server cannot meet the conditions specified in the Expect header.

#How to handle?

Remove the Expect header or change it to a value supported by the server.

#Example

HTTP Response

HTTP/1.1 417 Expectation Failed
Content-Type: application/json
Date: Tue, 10 Feb 2026 07:16:38 GMT

{
  "status": 417,
  "message": "Expectation Failed"
}

#Related Status Codes

400Bad Request 401Unauthorized 402Payment Required 403Forbidden 404Not Found

이 포스팅은 쿠팡 파트너스 활동의 일환으로, 이에 따른 일정액의 수수료를 제공받습니다.