Manually apply a transaction as payment to an invoice.
The access token received from the authorization server in the OAuth 2.0 flow.
Optional external entity identifier that perfomed the action
The ID of the invoice to apply payment to
"inv_Lq5AyApd4pdL1VvakpY5aJ"
The ID of the transaction to apply as payment
"txn_oiL7THC5RDi2PVUbVyyoJ"
The amount to apply as payment. Defaults to the transaction amount.
x >= 0Successful Response