Direct Debit

Overview

This service is used to enable the user to make payment from merchant’s platform with redirecting to Paydia's platform. For detail information will be describe in the next part.

Paydia's API spec will contain 2 main endpoints which are:

No	API Name	Description
1	Direct Debit Payment	This API is used to initiate payment from merchant’s platform to Paydia
2	Direct Debit Payment Notify	This API is used to notify payment status and information from Paydia to merchant’s platform

Signature Generation and Validation

This service uses Symmetric signature. For details, refer to this page: SNAP Signature

Document Version

The following table is used to show versioning of this document:

No	Date	Version	Remarks	Page
1	January 12, 2026	4.2.1	Added validUpTo parameter to set expiration date time of the payment	SNAP Service - Direct Debit SNAP API - Direct Debit Payment SNAP API - Direct Debit Payment Notify
2	September 18, 2025	4.2.0	Added amount for all service type Added additionalInfo originalTransactionReferenceNo, feeAmount and tipsAmount	SNAP Service - Direct Debit SNAP API - Direct Debit Payment Notify
3	September 06, 2024	2.2.0	Add direct debit amount and service payment	Direct Debit
4	August 01, 2024	2.0.0	Revamp Documentation	All Pages
5	May 10, 2023	1.3.0	Removed B2B ACCESS TOKEN in Digital Signature Generation Removed General Response Code section	Direct Debit
6	November 04, 2022	1.1.0	Account Linkage	Everything related to Account Linkage