> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://docs.bigcommerce.com/developer/docs/admin/checkout-and-cart/payments/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.bigcommerce.com/_mcp/server. # Payments > Build amazing commerce solutions powered by the BigCommerce platform ## Docs - [Payments API](https://docs.bigcommerce.com/developer/docs/admin/checkout-and-cart/payments/overview.md) - [Transactions API](https://docs.bigcommerce.com/developer/docs/admin/checkout-and-cart/payments/transactions-api.md) - [Stored Instruments API](https://docs.bigcommerce.com/developer/docs/admin/checkout-and-cart/payments/stored-instruments.md): Save, list, update, and delete customer payment instruments — credit cards, PayPal accounts, and bank accounts — across supported payment gateways.