the402 endpoint detail

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api.x402node.dev wallet pnl

https://api.x402node.dev/wallet/pnl

payable

Realized profit and loss and cost basis for an ERC20 token in a wallet on Base, computed from on-chain DEX trades against a quote asset (USDC by default). Returns average buy and sell price, realized PnL, remaining position and cost basis. Search terms: wallet PnL, realized gains, cost basis, token profit, crypto tax accounting, trade history. Accepts payment on Base or Solana — either network wor

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
2026-08-10T09:19:13.336Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.x402node.dev%2Fwallet%2Fpnl"