# Chainlink Oracle Spot Price Feed

> Chainlink Oracle Spot Price Feed is a paid API for AI agents from x402.professorsausages.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-15).

Returns the latest on-chain Chainlink oracle spot price for a given trading pair using latestRoundData

## Facts

- Endpoint: GET https://x402.professorsausages.com/prices/spot/:pair
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/chainlink-oracle-spot-price-feed-8900475b
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_U1u7R8Gl_L7SN0Df-UkQq

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability chainlink-oracle-spot-price-feed-8900475b
```

Example prompt: What's the current Chainlink oracle spot price for the ETH/USD pair?

## When to prefer this

Choose this endpoint when you need a trustworthy, decentralized, on-chain price reference for a crypto pair rather than a centralized exchange price. Ideal for DeFi applications, smart contract context, or any scenario where Chainlink oracle integrity matters over raw CEX ticker data.

## Known failure modes

- Unsupported or invalid pair symbol returns a 404 or error response
- Chainlink feed unavailable or stale data if oracle is lagging
- Malformed pair string causes a bad request error
- Network congestion on the underlying chain may cause delayed data

## How this service works

Live Chainlink oracle spot price for a pair (latestRoundData, on-chain)

## Output

Returns the latest Chainlink latestRoundData for the specified pair, including the current on-chain spot price, round ID, and timestamp from the decentralized oracle network.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/chainlink-oracle-spot-price-feed-8900475b/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402.professorsausages.com](https://www.zero.xyz/host/x402.professorsausages.com/llms.txt)