Ideally, all the parties
buyer, seller, sender, recipient, charge_bearershould be have been specified at the initiation of a new transaction. However, we understand that some transactions may require that a party be added at a later time as opposed to doing so at the beginning of such transaction, hence, the need for this endpoint.
This endpoint allows you easily add a new party to a transaction:
add parties to transaction
As an example, you can a make a post request to the endpoint above and pass in the json data below to add a new party to a transaction.