the402 endpoint detail

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tollbooth-sanctions-screener.sjwilliams8.workers.dev screen

https://tollbooth-sanctions-screener.sjwilliams8.workers.dev/screen

answers 402

Before your agent onboards, pays, or contracts with a counterparty: screen the name against the U.S. Treasury OFAC sanctions lists (SDN + Consolidated non-SDN, synced every 6h) for $0.01. Benchmarked 114/114 sanctioned names found with zero false positives on a 152-case adversarial corpus of misspellings, word-order swaps, and transliterated aliases. Ranked candidates with confidence 0-100, progra

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.01
Network
base
Pay to
0xb3e7993Ed2FC2C79FFF220620240f298BBa9bF5B
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
327 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:26:08.076Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Ftollbooth-sanctions-screener.sjwilliams8.workers.dev%2Fscreen"