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x402 Base Tools – ERC-20 Token USD Price on Base
x402
x402 Base Tools – ERC-20 Token USD Price on Base is a paid API for AI agents from base.kagurazaka.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-29).
Returns the USD price of any ERC-20 token on Base by reading its deepest Uniswap v3 or Aerodrome liquidity pool, with per-pool depth and liquidity quality flags.
Price / call$0.002
Success—
StatusUnknown
How this service works
The USD price of any ERC-20 on Base, read from its Uniswap v3 and Aerodrome pools against USDC and WETH (ETH/USD from Chainlink). The deepest pool sets the price; each pool's price and depth is listed, and thin markets are flagged. Accepts an address or a symbol such as ETH, USDC, cbBTC, AERO, DEGEN, VIRTUAL.
Output
A JSON object containing the token's symbol, address, and decimals; the source DEX (Uniswap v3 or Aerodrome), pool address, quote currency, and pool depth in USD; the computed USD price; and a boolean flag indicating whether the market is thin (low_liquidity).
Example use cases
DeFi portfolio USD valuation
“What's the current USD price of VIRTUAL on Base? I want to value my holdings and need to know which pool is being used and whether liquidity is deep enough to trust the price.”
Low-liquidity risk check before trade
“Before I swap, can you check the USD price of DEGEN on Base and flag it if the pool liquidity is too thin to get a reliable quote?”
cbBTC on-chain price verification
“Get me the on-chain USD price of cbBTC on Base from its Uniswap v3 or Aerodrome pool — I want to see the pool address and depth so I can verify it against my off-chain feed.”
Technical details
Endpoint
GEThttps://base.kagurazaka.dev/v1/price?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a real-time, on-chain USD price for an ERC-20 token on the Base network, especially when you want pool-level transparency (which DEX, which pool, how deep). Prefer it over off-chain price oracles or centralized exchange APIs when auditability and on-chain sourcing matter, or when dealing with Base-native tokens like AERO, DEGEN, BRETT, or VIRTUAL that may not be listed on major CEXs.
Side effects
- Unknown or unsupported token symbol returns an error or empty result
- Token with no Uniswap v3 or Aerodrome pool returns no price data
- Very new tokens with no liquidity may be flagged as low_liquidity or return null
- Stale Chainlink ETH/USD feed could cause slightly inaccurate WETH-quoted prices
- Malformed contract address input may return a validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"token": {
"symbol": "AERO",
"address": "0x9401...",
"decimals": 18
},
"source": {
"dex": "aerodrome",
"pool": "0x...",
"quote": "USDC",
"depth_usd": 5000000
},
"price_usd": 0.83,
"low_liquidity": false
}
}Tags
x402
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