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BaseDue Token Liquidity & Exit Analysis
x402
BaseDue Token Liquidity & Exit Analysis is a paid API for AI agents from api.firstmention.uk, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-29).
Analyzes the on-chain liquidity depth and exit capacity for ERC-20 tokens on Base, estimating how much USD you can exit at given price impact thresholds across DEX venues like Aerodrome and Uniswap.
Price / call$0.01
Success—
StatusUnknown
How this service works
Pay-per-call HTTP APIs, paid with x402 in USDC on Base (eip155:8453): agentkit, api-change-check, basedue, basewatch, chainread, check-sanctions, chgwatch, company-facts, composite, edgar, feednews, pageaudit, solcheck, token-dd, txpreflight, walletcheck, webmd, webread, websearch, x402index. Each operation describes its service.
Output
Returns a JSON object with per-token results including: the best pool and venue for exit, maximum USD that can be exited within the price impact limit, spot price in USD, quote depth, token reserves, slippage percent and USD, and an overall verdict/grade for liquidity depth. Also includes a note that Uniswap V3 is excluded and figures are lower-bound estimates using a constant-product model.
Example use cases
Pre-exit liquidity check for large position
“I'm holding a big position in cbBTC on Base (token address 0xcbb7c0000ab88b473b1f5afd9ef808440eed33bf) and want to sell $10,000 worth — can you tell me which DEX pool gives the best exit and what the price impact would be at 1% max slippage?”
Comparing liquidity across multiple Base tokens
“Can you check the exit liquidity depth for these three tokens on Base: 0xcbb7c0000ab88b473b1f5afd9ef808440eed33bf, 0x4200000000000000000000000000000000000006, and 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913? I want to know which one has the deepest pool.”
Assessing portfolio exit risk before market move
“Before I rebalance my portfolio, can you analyze the on-chain liquidity for 0xcbb7c0000ab88b473b1f5afd9ef808440eed33bf on Base and tell me the max USD I could realistically exit without more than 1.5% price impact?”
Technical details
Endpoint
GEThttps://api.firstmention.uk/s/basedue/due?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to assess on-chain liquidity and exit capacity for a specific ERC-20 token on the Base network before executing a trade. It is ideal for pre-trade risk analysis, portfolio rebalancing decisions, and determining which DEX venue offers the deepest liquidity. Prefer this over generic price APIs when you need slippage-aware exit estimates rather than just spot prices.
Side effects
- Invalid or non-ERC-20 token address returns an error
- Token with no liquidity on Base DEXes may return ok:false with zero depth
- Requested exit size exceeding available liquidity returns ok:false with actual achievable amount
- Missing required 'token' query parameter causes request failure
- Price impact exceeds requested maximum, resulting in ok:false for the size sub-result
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"note": "Capacity is a LOWER BOUND: Uniswap V3 pools are excluded from the size model. Constant-product model; comparable in order of magnitude, not exact.",
"chain": "base",
"ethUsd": 2343.51,
"results": [
{
"ok": true,
"best": {
"pool": "0x2578365b3dfa7ffe60108e181efb79feddec2319",
"venue": "aerodrome",
"maxUsdOut": 3230.39,
"quoteAsset": "WETH",
"maxTokenSell": 0.040595
},
"size": {
"ok": false,
"pool": "0x2578365b3dfa7ffe60108e181efb79feddec2319",
"venue": "aerodrome",
"usdOut": 4923.79,
"impactPct": 1.5242,
"slippagePct": 1.524,
"slippageUsd": 76.21,
"requestedUsd": 5000
},
"token": "0xcbb7c0000ab88b473b1f5afd9ef808440eed33bf",
"symbol": "cbBTC",
"venues": [
{
"pool": "0x2578365b3dfa7ffe60108e181efb79feddec2319",
"venue": "aerodrome",
"maxUsdOut": 3230.39,
"quoteAsset": "WETH",
"maxTokenSell": 0.040595,
"spotPriceUsd": 80380.2,
"quoteDepthUsd": 324023.6,
"tokenReserveUi": 4.029
}
],
"impactLimitPct": 1
}
],
"endpoint": "exit"
}
}Tags
x402
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