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x402stock Crypto Spot Pair Daily Open/Close Price
x402stock Crypto Spot Pair Daily Open/Close Price is a paid API for AI agents from agents.x402stock.xyz, paid per call via MPP, $0.01/call, status unknown (last checked 2026-10-12).
Returns the official UTC open and close price for a cryptocurrency spot pair on a specific calendar date
Price / call$0.01
Success—
StatusUnknown
How this service works
The official UTC open and close price for a crypto spot pair on a given date.
Output
A JSON object containing the ticker symbol, the date, the UTC open price, and the UTC close price for the requested crypto spot pair on the specified date, along with a source identifier and an as_of timestamp indicating data freshness.
Example use cases
Crypto portfolio daily performance check
“What did ETH-USD open and close at on April 22, 2025? I want to see how much it moved that day.”
Backtesting entry and exit prices
“I'm backtesting a strategy — can you pull the UTC open and close prices for SOL-USD on every Monday in February 2024, starting with February 5?”
Verifying a reported crypto trade price
“Someone claims they bought BTC-USD at $68,200 on November 12, 2024 — what were the official UTC open and close prices that day so I can check if that's plausible?”
Technical details
Endpoint
GEThttps://agents.x402stock.xyz/api/v1/crypto/{pair}/open-close?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need the official UTC open and close price for a specific cryptocurrency spot pair on a specific past date — ideal for backtesting, trade verification, daily performance snapshots, or historical price lookups. Prefer this over OHLCV bar endpoints when you only need the day-level open and close, not intraday bars. This endpoint is pay-per-call with no API key required, making it suitable for autonomous agent workflows.
Side effects
- Invalid pair format (not BASE-QUOTE) returns an error
- Date parameter missing returns a 400 bad request
- Future dates or dates with no trading data may return null or error
- Unsupported or obscure crypto pairs may return no data
- Payment failure via x402/USDC results in 402 Payment Required
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| daterequired | string | |
| pairrequired | string | Currency or crypto spot pair as BASE-QUOTE, e.g. EUR-USD or BTC-USD. |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| datarequired | object | |
| as_ofrequired | string | |
| sourcerequired | string | |
| tickerrequired | string | |
| feedback | object |
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