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  "path": "/t/431-request-headers-are-too-large/1383920#post_1",
  "publishedAt": "2026-06-16T19:14:40.000Z",
  "site": "https://community.openai.com",
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  "textContent": "It happens rarely. When running Chat Completion API requests.\nlibrary: openai v6.39.1\nnode.js v22.22.2\n\nmodel: gpt-4.1\nsubject: ワー…した (maybe it is related?)\nmessage: ‘Request headers are too large.’,\ncode: ‘request_headers_too_large’\n\nResponse Headers\n{ date: ‘Thu, 11 Jun 2026 22:15:31 GMT’, ‘content-type’: ‘application/json; charset=utf-8’, ‘content-length’: ‘186’, connection: ‘keep-alive’, ‘cf-ray’: ‘a0a3f992eca2c99d-IAD’, ‘cf-cache-status’: ‘DYNAMIC’, server: ‘cloudflare’, ‘strict-transport-security’: ‘max-age=31536000; includeSubDomains; preload’, vary: ‘Origin’, ‘access-control-expose-headers’: ‘CF-Ray, CF-Ray’, ‘x-content-type-options’: ‘nosniff’, ‘x-openai-proxy-wasm’: ‘v0.1’, ‘x-ratelimit-limit-requests’: ‘10000’, ‘x-ratelimit-limit-tokens’: ‘30000000’, ‘x-ratelimit-remaining-requests’: ‘9999’, ‘x-ratelimit-remaining-tokens’: ‘29999022’, ‘x-ratelimit-reset-requests’: ‘6ms’, ‘x-ratelimit-reset-tokens’: ‘1ms’, ‘x-request-id’: ‘req_f39702dcae9f4309904798df1de9c170’, ‘set-cookie’: ‘__cf_bm=yaJUK2oms6x6MUlY4DCbq_Sy2rDesPuogNcmmPV.xdA-1781216131.0301845-1.0.1.1-CSy.dFILQzyhacGNZcrFDl1mZF6CQsZk9InVftmb0draRReBK1szkh13tXmEoxbSvZClEouNXXXOuRQPZm3WrlTQCFEncMBDdI3NXX8.FCGTB3rchmqLS3xixeXgTelP; HttpOnly; SameSite=None; Secure; Path=/; Domain=api.openai.com; Expires=Thu, 11 Jun 2026 22:45:31 GMT’, ‘alt-svc’: ‘h3=\\“:443\\”; ma=86400’ },\\n requestID: ‘req_f39702dcae9f4309904798df1de9c170’,\\n error: { message: ‘Request headers are too large.’, type: ‘invalid_request_error’, param: null, code: ‘request_headers_too_large’ },\\n code: ‘request_headers_too_large’,\\n param: null,\\n type: ‘invalid_request_error’ }",
  "title": "431 Request headers are too large"
}