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Fathom Token Exit Assessment
x402
Fathom Token Exit Assessment is a paid API for AI agents from fathom-api.mioku-fathom.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-28).
Assesses exit liquidity and price trust for a Base ERC-20 token at a specified USD position size, returning a verdict (tradeable/caution/illiquid/unverified) with executable proceeds, price impact, and confidence metrics across Aerodrome, Slipstream, and Uniswap V2/V3/V4.
Price / call$0.001
Success—
StatusUnknown
How this service works
Exit-liquidity and price-trust assessment for a Base ERC-20 token at a requested USD position size. On-chain sell quotes cover Aerodrome, Slipstream, and Uniswap V2/V3/V4. Returns tradeable, caution, illiquid, or unverified with executable proceeds, price impact, confidence, concerns, and unmeasured checks. Inputs: token address and size_usd.
Output
Returns a structured assessment including: a verdict label (tradeable, caution, illiquid, or unverified), executable proceeds in USD, price impact percentage, confidence score, a reason summary, price_trust rating, list of concerns or risk flags, asset_type, and notes on unmeasured checks. For tokenized equity (b20) tokens, may also include underlying stock, multiplier, paused status, and policy restrictions.
Example use cases
Pre-sale liquidity check for whale position
“Before I sell my $200,000 position in token 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base, can you assess whether the market can actually absorb that size without wrecking the price? I want to see the verdict, estimated proceeds, and price impact.”
DeFi portfolio exit risk screening
“I'm reviewing my Base wallet holdings. For token 0x2Ae3F1Ec7F1F5012CFEab0185bfc7aa3cf0DEc22, run a liquidity assessment at a $5,000 sale size and tell me if it's flagged as tradeable, caution, illiquid, or unverified.”
Automated sell-signal validation
“My trading bot just triggered a sell signal on token 0x50c5725949A6F0c72E6C4a641F24049A917DB0Cb on Base for a $15,000 position. Before executing, assess the exit liquidity and price trust so I know if the on-chain conditions actually support the trade.”
Technical details
Endpoint
GEThttps://fathom-api.mioku-fathom.workers.dev/v1/assess?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a real on-chain sell quote at a specific USD position size on Base, aggregated across Aerodrome, Slippage, and Uniswap V2/V3/V4 — not an interpolated estimate. It is especially valuable before executing large exits where slippage and liquidity depth matter, or when you need a trustworthiness signal (price_trust) alongside the quote. Prefer it over generic price feeds when you need executable confidence rather than spot price.
Side effects
- Invalid token address format (must be 0x-prefixed 40-char hex) returns validation error
- Token not found on Base chain returns unverified verdict
- size_usd outside allowed range (1–10,000,000) rejected
- No liquidity found on any supported DEX returns illiquid verdict
- On-chain RPC errors may cause partial or failed quotes
- Payment failure via x402 protocol blocks request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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