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api.x402node.dev wallet first-funder
https://api.x402node.dev/wallet/first-funder
payable
Source-of-funds tracing: POST a Base address, traces its earliest inbound funding (native ETH + ERC20) back up to N hops to find the first funder and ultimate origin. Stops at a labeled exchange or bridge (a KYC'd origin) or when no inbound exists. Returns the funding chain with labels, blocks, timestamps and amounts. For AI agent due diligence, sybil/cluster detection, source-of-funds and AML che
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.10
- Network
- base
- Pay to
- 0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 46 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-08-10T09:19:12.165Z (1d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.x402node.dev%2Fwallet%2Ffirst-funder"