# Gateway Settings The **Gateway Settings API** allows you to configure terminal-level settings that control payment processing behavior, security rules, and integrations. Use the gateway settings API to: * Configure duplicate transaction checks * Manage terminal settings and time zones * Enable and configure recurring payment settings (RPS) * Configure reporting and batch processing settings * Manage Paylink and Hosted Payment Page (HPP) settings * Configure device settings for terminal * Set security rules such as AVS and CSC * Manage transaction alerts * [Duplicate Transaction](/api-reference/api/payments/gateway-settings/duplicate-transaction.md) * [Terminal](/api-reference/api/payments/gateway-settings/terminal.md) * [RPS](/api-reference/api/payments/gateway-settings/rps.md) * [Report](/api-reference/api/payments/gateway-settings/report.md) * [Paylink](/api-reference/api/payments/gateway-settings/paylink.md) * [HPP](/api-reference/api/payments/gateway-settings/hpp.md) * [Device](/api-reference/api/payments/gateway-settings/device.md) * [CSC](/api-reference/api/payments/gateway-settings/csc.md) * [AVS](/api-reference/api/payments/gateway-settings/avs.md) * [Transaction Alert](/api-reference/api/payments/gateway-settings/transaction-alert.md) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.xplorpay.com/api-reference/api/payments/gateway-settings.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.