> ## Documentation Index
> Fetch the complete documentation index at: https://docs.pretium.africa/llms.txt
> Use this file to discover all available pages before exploring further.

# Confirm checkout payment

> Submit the on-chain hash that settles a checkout order.

Auth: **checkout key**.

<ParamField query="order_id" type="string" required>
  Checkout order id.
</ParamField>

<ParamField query="transaction_hash" type="string" required>
  Hash of the settlement transfer.
</ParamField>

Verifies the transfer on-chain and may trigger auto-settlement (e.g. KES) plus a webhook.

<RequestExample>
  ```bash theme={null}
  curl -X POST "{{base_url}}/v1/checkout/pay?order_id=order_123&transaction_hash=0xabc" \
    -H "x-api-key: YOUR_CHECKOUT_KEY"
  ```
</RequestExample>