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AgentFund Chainlink Oracle Price Feed
x402
AgentFund Chainlink Oracle Price Feed is a paid API for AI agents from x402.agentfund.net, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-15).
Fetches the current on-chain oracle price for a named trading pair or Chainlink feed address on a specified blockchain
Price / call$0.002
Success—
StatusUnknown
How this service works
Chainlink Oracle Price
Output
Returns the current oracle price for the requested trading pair or feed address as sourced from Chainlink on the specified chain (defaulting to Base), including the price value and associated feed metadata.
Example use cases
DeFi collateral valuation check
“What is the current on-chain Chainlink oracle price for WBTC/USD on Base? I need to know the collateral value before submitting a loan transaction.”
Smart contract trigger threshold check
“Pull the latest Chainlink oracle price for LINK/ETH on Base — I want to check if it has crossed my alert threshold of 0.005 ETH.”
Portfolio USD valuation snapshot
“Get the current oracle price for ETH/USD from the Chainlink feed on Base so I can calculate the USD value of my on-chain ETH holdings.”
Technical details
Endpoint
POSThttps://x402.agentfund.net/x402/onchain_oracle_priceWhen to prefer
Use this endpoint when you need a verified, tamper-resistant on-chain oracle price from Chainlink for a specific asset pair, especially for DeFi applications, smart contract logic, or any use case requiring blockchain-native price data rather than centralized exchange prices. Prefer this over CEX-based price APIs when on-chain verifiability matters.
Side effects
- Unknown or unsupported trading pair name returns an error or empty result
- Invalid feed address returns a lookup failure
- Unsupported chain name causes a rejection or defaults unexpectedly to Base
- Network or RPC issues on the target chain can cause latency or timeouts
- Stale feed data may be returned if the Chainlink oracle has not updated recently
- Payment failure (402) if USDC balance is insufficient
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| pair | string | Named pair (e.g. "ETH/USD") or feed address. |
| chain | string | Chain the feed lives on; defaults to base. |
Output
Schema · Response
{
"type": "json",
"example": {
"pair": "ETH/USD",
"chain": "base",
"price": 1877.86,
"decimals": 8,
"ageSeconds": 120
}
}Tags
x402
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