generated: '2026-07-20' method: searched source: https://developer.phenom.com/ (API reference cards; standard error response) format: custom envelope: description: Standard error response returned for all 4xx and 5xx responses. fields: - name: status type: integer description: HTTP status code of the error. - name: message type: string description: Human-readable description of the error. problems: - status: 400 title: Bad request description: Missing or invalid headers, parameters, or body (e.g. missing tag name on Create Tag). source_operation: openapi/phenom-platform-openapi.yml#createTag - status: 401 title: Unauthorized description: Missing or invalid Authorization bearer token. - status: 403 title: Forbidden description: Token lacks access to the requested tenant/resource. - status: 404 title: Not found description: Requested resource (job, candidate, application) does not exist. - status: 429 title: Too many requests description: Request throttled. - status: 500 title: Internal server error description: Unexpected server-side error. notes: >- Phenom returns a single custom error envelope ({status, message}) for all 4xx/5xx responses rather than RFC 9457 problem+json. Specific 401/403/429 titles above are standard HTTP semantics inferred from the bearer-auth + throttling model; only 400 and the envelope shape are explicitly documented in the reference.