Exit-depth / sell-impact estimator for Uniswap-v3-compatible AND v2-style (x·y=k) pools on
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, manipulated-liquidity cross-check vs DexScreener. Deterministic pool math, no LLM — the "can I actually g
20000 (raw units)
price
1
calls / 30d
1
unique payers
2026-08-20
updated
Provider
onchainpulse.theaslangroupllc.com · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "20000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "20000",
"maxTimeoutSeconds": 604900
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "985iFjbnGQ3dJcwXnfRCMSrH4Jnc3kW1N6msR64B5KX1",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "20000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "eip155:4663",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
"amount": "20000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "eip155:137",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"amount": "20000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "eip155:42161",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"amount": "20000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "eip155:480",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"asset": "0x79A02482A880bCe3F13E09da970dC34dB4cD24D1",
"amount": "20000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "eip155:143",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
"amount": "20000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "eip155:196",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"asset": "0x779ded0c9e1022225f8e0630b35a9b54be713736",
"amount": "20000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "eip155:999",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"asset": "0xb88339CB7199b77E23DB6E890353E22632Ba630f",
"amount": "20000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k",
"payTo": "62A253YPATFNJCPRKID3FKD77MYJFNTVRYRP4B4JWG36EGLPY7UXFWGI7I",
"asset": "31566704",
"amount": "20000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "xrpl:0",
"payTo": "rMnHeutYALco8RYFVcmuU4BCgSzBpPEh32",
"asset": "XRP",
"amount": "20000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "xrpl:0",
"payTo": "rMnHeutYALco8RYFVcmuU4BCgSzBpPEh32",
"asset": "524C555344000000000000000000000000000000",
"amount": "0.02",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "eip155:56",
"payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
"asset": "0x8d0D000Ee44948FC98c9B98A4FA4921476f08B0d",
"amount": "20000000000000000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"chain": "base",
"pool": "0x76Bf0abD20f1e0155Ce40A62615a90A709a6C3D8",
"token": "0x532f27101965dd16442E59d40670FaF5eBB142E4"
},
"type": "http"
},
"output": {
"example": {
"chain": "base",
"cross_check": {
"consistent": true,
"dexscreener_liquidity_usd": 4200000
},
"depth": [
{
"impact_pct": 1,
"pct_of_supply": 0.0126,
"proceeds_in_quote": 28.1,
"proceeds_usd": 104300,
"tokens_to_sell": 1250000
},
{
"impact_pct": 5,
"pct_of_supply": 0.064,
"proceeds_in_quote": 141.9,
"proceeds_usd": 527000,
"tokens_to_sell": 6360000
},
{
"impact_pct": 25,
"pct_of_supply": 0.344,
"proceeds_in_quote": 703.2,
"proceeds_usd": 2610000,
"tokens_to_sell": 34100000
}
],
"dex": "uniswap",
"disclaimer": "Deterministic AMM pool math (v3 concentrated-liquidity or v2 constant-product) from live on-chain state at a point in time. v3 depth estimates assume current in-range liquidity persists through the move (real depth at larger impacts is usually lower); v2 tiers exclude the swap fee. Analytics, not financial advice, not an execution quote.",
"fee_tier_pct": 0.3,
"flags": [],
"method": "Live eth_call reads of slot0 + liquidity() on the pool; constant-L approximation.",
"pool": "0x76Bf…C3D8",
"pool_type": "v3",
"quote_token": {
"price_usd": 3712.4,
"symbol": "WETH"
},
"target_token": {
"address": "0x532f…42E4",
"price_usd": 0.0842,
"side": "token0",
"symbol": "BRETT",
"total_supply": 9910236538
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"chain": {
"description": "Chain slug, default base — ethereum, optimism, bsc, polygon, monad, world, hyperevm, robinhood, base, arbitrum, avalanche",
"type": "string"
},
"pool": {
"description": "v3- or v2-compatible pool address (0x…) to read directly (overrides token resolution)",
"type": "string"
},
"token": {
"description": "ERC-20 token address (0x…) — primary pool auto-resolved via DexScreener",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_gxy6qn5p"
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
}
}Use it
curl
curl "https://onchainpulse.theaslangroupllc.com/api/exit-depth" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://onchainpulse.theaslangroupllc.com/api/exit-depth");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://onchainpulse.theaslangroupllc.com/api/exit-depth")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/2299.json, and this resource appears in /discovery/resources and /discovery/search.