the402 endpoint detail

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tollbooth-fdic-verify-testnet.sjwilliams8.workers.dev verify

https://tollbooth-fdic-verify-testnet.sjwilliams8.workers.dev/verify

answers 402

Before your agent trusts, cites, or transacts with a U.S. bank: verify it is actually FDIC-insured, for $0.01, against the FDIC's own BankFind Suite records, synced daily. Look up by institution name (fuzzy, word-order-tolerant, confidence-scored), FDIC certificate number, or website domain. Returns insurance status, charter class, HQ city/state, and the FDIC cert; renamed and failed/inactive inst

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.01
Network
base-sepolia
Pay to
0xb3e7993Ed2FC2C79FFF220620240f298BBa9bF5B
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
271 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:26:46.827Z (1d ago)
Category
identity

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Ftollbooth-fdic-verify-testnet.sjwilliams8.workers.dev%2Fverify"