← All endpoints
agent-id-x402-production.up.railway.app register
https://agent-id-x402-production.up.railway.app/register
payable
Pay once, get a unique non-transferable agent identity tag: an issuer-signed credential binding your Ed25519 auth key to your paying wallet. Anti-Sybil proof of being a distinct, previously registered, paying agent. Unpaid 402 returns full instructions.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.10
- Network
- base
- Pay to
- 0x65003c15622F8fBECFa60805777f9c5Ae8fb77Fc
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 849 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:13:10.966Z (1d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fagent-id-x402-production.up.railway.app%2Fregister"