# Callbacks & Testing - [Callbacks](https://docs.ayetstudios.com/v/product-docs/callbacks-and-testing/callbacks.md) - [Offerwall Callbacks](https://docs.ayetstudios.com/v/product-docs/callbacks-and-testing/callbacks/offerwall-callbacks.md) - [Surveywall Callbacks](https://docs.ayetstudios.com/v/product-docs/callbacks-and-testing/callbacks/surveywall-callbacks.md) - [Rewarded Video Callbacks](https://docs.ayetstudios.com/v/product-docs/callbacks-and-testing/callbacks/rewarded-video-callbacks.md) - [IP Whitelist](https://docs.ayetstudios.com/v/product-docs/callbacks-and-testing/callbacks/ip-whitelist.md) - [Callback Verification](https://docs.ayetstudios.com/v/product-docs/callbacks-and-testing/callback-verification.md) - [HMAC Security Hash (optional)](https://docs.ayetstudios.com/v/product-docs/callbacks-and-testing/callback-verification/hmac-security-hash-optional.md) - [Failed Redirects](https://docs.ayetstudios.com/v/product-docs/callbacks-and-testing/failed-redirects.md) - [Failed Redirect Destination](https://docs.ayetstudios.com/v/product-docs/callbacks-and-testing/failed-redirects/failed-redirect-destination.md): Control the user flow when a redirect is failing. - [Testing](https://docs.ayetstudios.com/v/product-docs/callbacks-and-testing/testing.md) - [Callback Tester](https://docs.ayetstudios.com/v/product-docs/callbacks-and-testing/testing/callback-tester.md): With the Callback Tester you can verify that you receive back all relevant information you need in order to pay your users and if the added macros are populated correctly. - [Sandbox Identifier](https://docs.ayetstudios.com/v/product-docs/callbacks-and-testing/testing/sandbox-identifier.md): Sandbox Identifiers can be used to test the user and callback flow from initial entering the offerwall until successfully processing a callback. - [Go-live checklist](https://docs.ayetstudios.com/v/product-docs/callbacks-and-testing/go-live-checklist.md) - [Offerwall Checklist](https://docs.ayetstudios.com/v/product-docs/callbacks-and-testing/go-live-checklist/offerwall-checklist.md): This checklist is supposed to help you to take care of all important and relevant settings before going live with your Offerwall. - [Surveywall Checklist](https://docs.ayetstudios.com/v/product-docs/callbacks-and-testing/go-live-checklist/surveywall-checklist.md): This checklist is supposed to help you to take care of all important and relevant settings before going live with your Surveywall. - [Rewarded Video Checklist](https://docs.ayetstudios.com/v/product-docs/callbacks-and-testing/go-live-checklist/rewarded-video-checklist.md): This checklist is supposed to help you to take care of all important and relevant settings before going live with your rewarded video placement. --- # 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.ayetstudios.com/v/product-docs/callbacks-and-testing.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.