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Webhooks — verification & idempotency

Webhooks are the only authoritative success signal. Redirect and popup flows are UX only.

Implement

HTTPS URL in dashboard / API settings.
Fast ACK; heavy work async.
Idempotent updates on order_id + txn id.
Validate signatures per your dashboard scheme.

Illustrative payload

status=SUCCESS
order_id=1234561705047510
customer_mobile=9876543210
amount=1.00
remark1=your_create_order_remark1
remark2=your_create_order_remark2

Log a real staging webhook to learn exact field names.

Related

Frequently asked questions

Fulfill on redirect only?: Never. Webhooks only.
Do popups change webhooks?: No—same server events.