Agentic Commerce Platform
The Citadel exposes production endpoints for AI-agent discovery, payments, and fulfillment.
MCP Server for AI Agents
Discover tools, run secure calls, and execute commerce through the Citadel MCP endpoint.
UCP Checkout
Machine-to-machine checkout via UCP purchase, key issuance, and redemption endpoints.
x402 Payments
On-chain USDC settlement flow for autonomous payment and fulfillment.
Agentic API Docs
OpenAPI and endpoint-level docs for integration, testing, and launch.
Trust Layer & KYA
Know-Your-Agent trust tiers, agent registration, and governance safeguards.
Start Conversion Path
For implementation, begin with catalog discovery then execute headless checkout.