Add Payphone to your coding agent two ways: Dial Agent (plugin, skills, rules, and paste-once dashboard bootstrap) or MCP (remote tools at payphone.wtf/mcp). Credits mode uses DIAL_API_KEY; paid MCP tools can also settle via x402 on Base.
Agent-native product: Cursor plugin, Claude Code /dial, Codex skills, operator SMS, and dashboard paste-once bootstrap.
Streamable HTTP at https://payphone.wtf/mcp — tools for any MCP client. OAuth login in Cursor (Payphone). Paid calls settle via x402 on Base or prepaid credits.