the402 endpoint detail

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402.com.tr x402 first-funder

https://402.com.tr/api/x402/first-funder

payable

🆕 Funding provenance in one call. Traces a Base wallet back to its EARLIEST transaction and resolves who first funded it: a recognized exchange/bridge (real on-ramp, lower risk), an anon EOA (possible sybil/burner — trace the cluster), or a contract. Returns the first funder, whether it's a contract or EOA, the initial value, and wallet age. The sybil/origin screen no other Base tool gives — the c

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.04
Network
base
Pay to
0x973a31858f4d2125f48c880542da11a2796f12d6
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
418 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:12:20.433Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2F402.com.tr%2Fapi%2Fx402%2Ffirst-funder"