"Integrating Automated Payment Systems" matching MCP connectors:

Agent-native helpdesk. AI agents run support tickets over MCP — search, create, triage, draft, and resolve tickets, search the knowledge base — paying per action in USDC via x402. Read tools are free; priced tools return HTTP 402 with payment terms.

churnkeyOAuth

co.churnkey

Read and manage Churnkey cancel flows, retention metrics, and payment recovery