Record a payment

1. Retrieve the invoice

curl https://api.cedius.app/v1/invoices/inv_91ac20   -H "Authorization: Bearer $CEDIUS_API_KEY"

Check amount_due.

2. Choose an idempotency key

payment-order-4832

Reuse the same key when retrying the same logical payment.

3. Record the payment

curl -X POST https://api.cedius.app/v1/payments   -H "Authorization: Bearer $CEDIUS_API_KEY"   -H "Content-Type: application/json"   -H "Idempotency-Key: payment-order-4832"   -d '{
    "invoice_id": "inv_91ac20",
    "amount": 161250,
    "method": "bank_transfer",
    "reference": "TRX-20260910-8821"
  }'

4. Verify the invoice

Retrieve the invoice again. A fully paid invoice should report status: paid and amount_due: 0.