> For the complete documentation index, see [llms.txt](https://docs.chatastra.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.chatastra.ai/astrapay/merchant-integration.md).

# Merchant Integration

- [API Documentation](https://docs.chatastra.ai/astrapay/merchant-integration/api-documentation.md)
- [Webhooks](https://docs.chatastra.ai/astrapay/merchant-integration/webhooks.md)
- [E-Commerce Plugins](https://docs.chatastra.ai/astrapay/merchant-integration/e-commerce-plugins.md)
- [Custom Integration SDK](https://docs.chatastra.ai/astrapay/merchant-integration/custom-integration-sdk.md)
- [Embed Checkout Widget](https://docs.chatastra.ai/astrapay/merchant-integration/embed-checkout-widget.md)
- [Webhook Events Reference](https://docs.chatastra.ai/astrapay/merchant-integration/webhook-events-reference.md)