# Auth.md

Delx Protocol API authentication for agents.

## Model

| Surface | Auth | Notes |
| --- | --- | --- |
| Public Protocol MCP/A2A/REST | None (public) | Free recovery & continuity |
| Paid Commerce x402 routes | USDC payment (Base) | See commerce Auth.md |
| Future admin scopes | OAuth / bearer | Advertised here when enabled |

## Documents

- OAuth protected resource: https://api.delx.ai/.well-known/oauth-protected-resource
- MCP server card: https://api.delx.ai/.well-known/mcp/server-card.json
- Agent skills: https://api.delx.ai/.well-known/agent-skills/index.json
- Commerce payments: https://commerce.delx.ai/auth.md
- Studio hub: https://delx.ai/auth.md

## Registration

No registration is required for public Protocol tools. Paid Commerce calls settle
HTTP 402 challenges with a wallet — they are not OAuth logins.