the402 endpoint detail

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onchainpulse.theaslangroupllc.com api exit-depth

https://onchainpulse.theaslangroupllc.com/api/exit-depth

answers 402, partial

Exit-depth / sell-impact estimator for Uniswap-v3-compatible AND v2-style (x·y=k) pools on 11 chains (Ethereum, Base, Arbitrum, Optimism, Polygon, BSC, Avalanche, Monad, World Chain, HyperEVM, Robinhood Chain): live pool state read from the contract (v3 sqrtPrice + in-range liquidity, or v2 reserves); tokens sellable at 1/2/5/10/25% price impact in tokens, quote and USD, %-of-supply framing, manip

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse. It advertises 14 ways to pay and only 13 of them are usable.
Price
$0.02
Network
base
Pay to
0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
86 ms
Payment options
13 usable of 14
Last checked
2026-08-15T14:31:37.260Z (2d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fonchainpulse.theaslangroupllc.com%2Fapi%2Fexit-depth"