# PayChainHQ Documentation page ### Start here * [Product overview](/paychainhq-documentation-page/product-overview.md) * [Core concepts and terminology](/paychainhq-documentation-page/product-overview/core-concepts-and-terminology.md) * [Getting started journey](/paychainhq-documentation-page/product-overview/getting-started-journey.md) ### Operators * [Pricing, billing, and gas credits](/paychainhq-documentation-page/pricing-billing-and-gas-credits.md) * [Status Lifecycles](/paychainhq-documentation-page/status-lifecycles.md) * [Reconciliation](/paychainhq-documentation-page/reconciliation.md) * [Dashboard guides](/paychainhq-documentation-page/dashboard-guides.md) * [Workflow guides](/paychainhq-documentation-page/dashboard-guides/workflow-guides.md) * [Sandbox Testing](/paychainhq-documentation-page/dashboard-guides/sandbox-testing.md) ### Developers * [Developer quickstart](/paychainhq-documentation-page/developer-quickstart.md) * [Payment Flows](/paychainhq-documentation-page/developer-quickstart/payment-flows.md) * [SDK Guide](/paychainhq-documentation-page/developer-quickstart/sdk-guide.md) * [REST API Guide](/paychainhq-documentation-page/developer-quickstart/rest-api-guide.md) * [OpenAPI Reference](/paychainhq-documentation-page/developer-quickstart/openapi-reference.md) * [Webhooks](/paychainhq-documentation-page/developer-quickstart/webhooks.md) * [Errors, Rate Limits, And Idempotency](/paychainhq-documentation-page/developer-quickstart/errors-rate-limits-and-idempotency.md) * [Contract interactions](/paychainhq-documentation-page/developer-quickstart/contract-interactions.md) ### Trust and operations * [Security and go-live](/paychainhq-documentation-page/security-and-go-live.md) * [Troubleshooting and FAQ](/paychainhq-documentation-page/security-and-go-live/troubleshooting-and-faq.md) * [Documentation review checklist](/paychainhq-documentation-page/security-and-go-live/documentation-review-checklist.md) * [Changelog](/paychainhq-documentation-page/security-and-go-live/changelog.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.paychainhq.io/paychainhq-documentation-page.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.