b55269c4c26eab38…

StatusCode
ID: 428289 bytesFirst seen Jun 12, 20261 collection

Fields

NameValue
classId4xx
code428
descriptionThe origin server requires the request to be conditional to prevent lost update conflicts on concurrent modifications.
isDeprecatedfalse
reasonPhrasePrecondition Required
rfcReferenceRFC 6585

Canonical JSON

{
  "id": "428",
  "type": "StatusCode",
  "data": {
    "classId": "4xx",
    "code": 428,
    "description": "The origin server requires the request to be conditional to prevent lost update conflicts on concurrent modifications.",
    "isDeprecated": false,
    "reasonPhrase": "Precondition Required",
    "rfcReference": "RFC 6585"
  }
}

Appears in 1 collection

reference/http-status-codes1 version · Jun 12, 2026
v1.0.0

Full hash:b55269c4c26eab3892c15df3522d1de5bf47b57587ae6e92bf0d68536d0a32e5