> ## 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.

# Refund

> Initiate a refund/credit flow against a verified on-chain hash.

<ParamField body="transaction_hash" type="string" required>
  Original on-chain transaction hash.
</ParamField>

<ParamField body="chain" type="string" required>
  `BASE`, `CELO`, `STELLAR`, `POLYGON`, `SOLANA`, `ETHEREUM`, `BNB`, `AVALANCHE`, or `ARBITRUM`.
</ParamField>

Verifies the hash and runs the partner refund/credit path when eligible.

<RequestExample>
  ```bash theme={null}
  curl -X POST "{{base_url}}/v1/refund" \
    -H "x-api-key: YOUR_CONSUMER_KEY" \
    -H "Content-Type: application/json" \
    -d '{
      "transaction_hash": "0xabc123",
      "chain": "CELO"
    }'
  ```
</RequestExample>