# API Documentation - [Start Integration](https://docs.a-pay.one/api-documentation/start-integration.md) - [Getting data about PS](https://docs.a-pay.one/api-documentation/getting-data-about-ps.md) - [Payment Page Integration](https://docs.a-pay.one/api-documentation/payment-page-integration.md) - [Payment Gateway](https://docs.a-pay.one/api-documentation/payment-page-integration/payment-gateway.md) - [API Integration](https://docs.a-pay.one/api-documentation/api-integration.md) - [Deposit](https://docs.a-pay.one/api-documentation/api-integration/deposit.md) - [Request to create a deposit](https://docs.a-pay.one/api-documentation/api-integration/deposit/request-to-create-a-deposit.md) - [Deposit Activation](https://docs.a-pay.one/api-documentation/api-integration/deposit/deposit-activation.md) - [Deposit information](https://docs.a-pay.one/api-documentation/api-integration/deposit/deposit-information.md) - [Withdrawal](https://docs.a-pay.one/api-documentation/api-integration/withdrawal.md) - [Lost transaction](https://docs.a-pay.one/api-documentation/api-integration/lost-transaction.md) - [Create lost transaction](https://docs.a-pay.one/api-documentation/api-integration/lost-transaction/create-lost-transaction.md): This request will allow you to create transaction search requests in our system. - [Lost transaction information](https://docs.a-pay.one/api-documentation/api-integration/lost-transaction/lost-transaction-information.md): This request will allow you to find out the status of the transaction search - [Postback](https://docs.a-pay.one/api-documentation/postback.md): Communication takes place with the help of postback requests (postbacks). After each Client request for input or output, a postback is sent to the Client with the result of the operation. - [Settlement](https://docs.a-pay.one/api-documentation/settlement.md) - [Report](https://docs.a-pay.one/api-documentation/report.md): Use A-pay Reports API to create transaction reports in CSV format for payment checks and daily operations. - [Errors](https://docs.a-pay.one/api-documentation/errors.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.a-pay.one/api-documentation.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.