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Update an invoice that is currently in the 'Pending' or 'Delinquent' state.

Only fields present in the request will be updated.

Upon success the operation will return a status code of 200 (OK).

If an invalid field or value is submitted, a status of 400 (Bad Request) will be returned.

If an attempt to update an invoice that is not currently in the 'Pending' or Delinquent' state is made, a status of 400 (Bad Request) will be returned.

If an invalid Invoice ID is submitted, a status of 404 (Not Found) will be returned.

Optional Fields
NameDescriptionDefault value
MerchantInvoiceRefIdMerchant's unique identifier for the invoice to be created
InvoiceStatusThe initial status for the invoice to be created
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