# Axiv Pay > Axiv Pay documents cross-chain stablecoin payment flows for users, merchants and AI agents. The Discovery Hub offers verified read-only catalog surfaces and separately tracks operational payment readiness. ## Agent discovery - [Public catalog](https://pay.axiv.cc/discover/): Indexable capability pages. - [Manifest](https://pay.axiv.cc/.well-known/axiv-pay.json): Canonical links and integration statuses. - [OpenAPI](https://pay.axiv.cc/openapi.json): Discovery Hub HTTP contract. - [MCP](https://pay.axiv.cc/public/mcp): Public read-only search, detail and comparison tools. - [Sites MCP](https://pay.axiv.cc/mcp): The same catalog tools through the Sites OAuth connection. - [Agent Skill](https://pay.axiv.cc/skills/axiv-pay/SKILL.md): Integration workflow. - [Developer docs](https://pay.axiv.cc/docs/): Target Axiv Pay payment API and payment lifecycle. - [Payment sandbox](https://pay.axiv.cc/demo/): Simulate quote, authorization, guarantee, payout, and settlement. ## Capabilities - [Discover routes and assets](https://pay.axiv.cc/discover/discover-routes/): verified - [Cross-chain quote](https://pay.axiv.cc/discover/cross-chain-quote/): partial - [Merchant checkout](https://pay.axiv.cc/discover/merchant-checkout/): planned - [Track payment events](https://pay.axiv.cc/discover/payment-events/): planned - [MCP catalog integration](https://pay.axiv.cc/discover/mcp-discovery/): verified - [x402 pay-per-call API](https://pay.axiv.cc/discover/x402-pay-per-call/): blocked Use operating quotes and documented authorization to determine whether a proposed payment can be executed. Example responses are illustrative. USDiX public responses do not establish a successful Axiv Pay settlement.