the402 endpoint detail

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defi.halowerk.com pool liquidity

https://defi.halowerk.com/pool/liquidity

payable

Resolves a pool either by address or by chain, token pair and DEX, then reads token0, token1, fee tier, reserves, in-range liquidity and the current tick straight from the contract. Exit impact is not estimated from a formula but simulated: for Uniswap V3 through the official Quoter contract via eth_call, which walks the same ticks a real swap would and reports how many it crossed; for constant-pr

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.005
Network
base
Pay to
0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
567 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:17:20.502Z (4d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fdefi.halowerk.com%2Fpool%2Fliquidity"