Chargebacks and refunds

To refund all or part of a completed collection, raise a chargeback:

curl -X POST https://api.intasend.com/api/v1/chargebacks/ \
  -H "Authorization: Bearer $INTASEND_SECRET_KEY" -H "Content-Type: application/json" \
  -d '{"invoice_id": "ABC123", "amount": 100, "reason": "Duplicate payment"}'

Field	Description
invoice_id	A COMPLETE invoice on your account
amount	Up to the invoice value
reason	Unavailable service, Delayed delivery, Wrong service, Duplicate payment or Other

The payment's transaction becomes CHARGEBACK-PENDING until the chargeback is resolved. KES M-Pesa refunds are processed automatically.

status	Meaning
PENDING	Raised
PROCESSING	Refund in progress
COMPLETED	Refunded. The transaction is REFUNDED
DISPUTED / OVERDUE	Under review
CANCELLED	Withdrawn. The funds are released back

Updates are sent as the reversal_event webhook.