Dummy Paynov8 NACH server

Webhook inbox

Accepts JSON POSTs on the NACH-TRX and TRX HOLD endpoints, stores every payload, and returns a 200 acknowledgement with transactionId and receiptId. Repeated txId values reuse the original ACK (idempotent). Asset ID + stage code collisions are flagged.

NACH-TRX

POST /v1/nachtrx

Expected stage NACH-TRX

TRX HOLD

POST /v1/nachtrxhold

Expected stage NACH-TRX-HOLD

ReceivedEndpointtxIdAsset IDStageFlagsACK
19 Aug 2026, 6:59:53 amTRX HOLDHOLD-1787122790897ABC123NACH-TRX-HOLD9e884739-2675-4bca-830c-fbe2ac4c0daf
19 Aug 2026, 5:53:35 amNACH-TRXXYZ-1787118813099ABC123NACH-TRXe2f5ce58-1e21-4097-9f01-2a5306c9e5f9