Update Custom Field Mappings
PUT/api/qbo/custom-field-mappings
Updates the QBO invoice custom field mapping config. sales_rep (required) maps the Sales Order's sales rep, and po_number (optional) maps the Sales Order's customer PO number — each to a QBO legacy custom field on invoices. For each mapping, definition_id must be "1", "2", or "3" (QBO supports three legacy custom fields) and may be null when enabled is false.
Any valid API token can call this endpoint — no specific scope required. Manage tokens.
Requires a Bearer token.
Request
Responses
- 200
- 401
- 403
- 422
- 429
OK
Response Headers
Unauthenticated — the bearer token is missing, revoked, expired, or malformed. Never retry automatically; fix the credential. See the Errors guide.
Forbidden — the token lacks a required scope, the endpoint is not available to API tokens, or the user behind the token lacks the permission. A human must adjust the token scopes or user permissions; do not retry.
Unprocessable Entity
Response Headers
Rate limited — platform limit is 1,000 requests/min; individual tokens may carry lower limits. Honor the Retry-After header before retrying. See the Rate Limits guide.