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Taifoon Market Price
x402
Taifoon Market Price is a paid API for AI agents from coord.taifoon.dev, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-19).
Returns the latest USD price of BTC, ETH, SOL, NQ, ES, or YM from the Taifoon venue tape — specifically the close of the last completed 1-minute bar, with timestamp, age, and SHA-256 digest for auditability.
Price / call$0.003
Success—
StatusUnknown
How this service works
Latest USD price of BTC, ETH, SOL, NQ, ES, YM from the Taifoon venue tape: the close of the last closed 1-minute bar, its time, age and sha256 digest, replayable with one GET. Only symbols the tape holds; a price older than 180 s is never served as current (nothing is charged). BTC, ETH, SOL are held to Chainlink on Base within 1 % when its feed is under 1 h old. 0.003 USDC a call.
Output
Returns a JSON object with: the requested symbol, its USD price (close of last completed 1-minute bar), the ISO 8601 timestamp when the bar closed, the age in seconds (never exceeds 180), a SHA-256 digest over the bar's OHLCV line for auditability, and a replay URL to retrieve the same bar. If no price is available within 180 seconds, nothing is served.
Example use cases
Real-time crypto price check
“What is ETH trading at right now according to Taifoon? I want the USD price and how fresh the data is.”
Verifiable BTC price for audit trail
“Fetch me the latest BTC price from Taifoon with its SHA-256 digest — I need to be able to replay and verify this price later.”
CME micro futures quote for trading bot
“Get me the current NQ futures price from Taifoon, including the timestamp of the last closed bar and how many seconds old it is.”
Technical details
Endpoint
GEThttps://coord.taifoon.dev/v1/x402/class/market.price?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a single, current, cryptographically verifiable USD price for BTC, ETH, SOL, NQ, ES, or YM that is guaranteed to be no more than 3 minutes old. It is ideal when you need an auditable price (SHA-256 digest + replay URL) rather than just a raw quote, or when you need BTC/ETH/SOL prices cross-validated against Chainlink on Base within 1%. Prefer this over generic market data APIs when you require freshness guarantees and on-chain verifiability at a low per-call cost ($0.003 USDC).
Side effects
- Symbol not in the tape (only BTC, ETH, SOL, NQ, ES, YM are supported) — returns an error
- Price data older than 180 seconds — no price is served, call returns no result
- Payment not processed or insufficient USDC — 402 Payment Required
- Network or venue tape outage — endpoint may be temporarily unavailable
- Invalid or missing symbol query parameter — returns validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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