# AuthiChain

> Signed product verification for agents. Unpaid POST /api/x402 returns HTTP 402 for $0.05 Circle USDC on Base. Humans pay on published Stripe Payment Links at /pricing (Passport $49, EU DPP Readiness $299).

- **Domain**: `authichain.com`
- **Provider**: authichain.com (https://authichain.com)
- **Kind**: paid_api
- **Category**: verification
- **Live-responds (last probe)**: None
- **Signed card**: False
- **Streaming**: False
- **Quality score**: 85%
- **Payment protocol**: x402 · network `eip155:8453` · ≥ $0.05
- **Wallet**: `0x5db511706fb6317cd23a7655f67450c5ac6e6aa2`

## URLs
- Agent card: https://authichain.com/.well-known/mcp.json
- Page (HTML): https://agenstry.com/agents/authichain.com
- Documentation: https://authichain.com
