POST - https://subscribercrmapi-dev.galapagosconservation.org.uk/api/payment

Adds a Payment for an existing subscription demand or a donation.

{
"Id": null,
"ContactId": 1234,
"DemandId": 567,
"DonationId": null,
"Amount": 50.0,
"TransactionDate": "2024-12-23T00:00:00+00:00",
"Comments": "ABC123",
"PaymentMethodId": 1
}