POST - https://subscribercrmapi-dev.galapagosconservation.org.uk/api/holdingpayment
Adds a New Member Payment.
{ "Id": null, "HoldingPersonalDetailsId": 1234, "ContactId": null, "SubscriptionId": 456, "DonationId": null, "Amount": 50.0, "TransactionDate": "2024-12-23T00:00:00+00:00", "TransactionCode": "ABC123", "PaymentMethodId": 1, "WebOrderId": null}