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a2a-verifier-production.up.railway.app verify
https://a2a-verifier-production.up.railway.app/verify
answers 402
Base L2 EVM token safety verifier: simulates buy/sell, transfer taxes, honeypot checks, proxy resolution, and liquidity. Pass ?token=<Base ERC-20 address>.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.05
- Network
- base
- Pay to
- 0x1D1173c1465c9a01F6AfA38B36cc1125CC55C71a
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 350 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:34:37.433Z (2h ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fa2a-verifier-production.up.railway.app%2Fverify"