> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://mmg-sdk.wetechnologygroup.com/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://mmg-sdk.wetechnologygroup.com/_mcp/server.

# MMG Checkout Response Callback

POST 

Endpoint to receive the asynchronous payment result from MMG after a customer completes the hosted checkout. You will provide your own dynamically generated webhook URL (e.g., `https://api.yourdomain.com/mmg-sdk/callback/{hash}`) to MMG during the checkout initiation.

Reference: https://mmg-sdk.wetechnologygroup.com/api-reference/checkout-webhooks/mmg-checkout-callback-webhook

## Request

### Payload

- `token` (string, required) — The Base64-URL encoded, RSA-encrypted response token from MMG.