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Agent402 Token Price History
x402
Agent402 Token Price History is a paid API for AI agents from agent402.tools, paid per call via x402, $0.004/call, status unknown (last checked 2026-09-15).
Returns historical OHLC-style price data for a cryptocurrency token (by ticker symbol or ERC-20 contract address) over a configurable time window and interval.
Price / call$0.004
Success—
StatusUnknown
How this service works
Historical USD price series for a token, by ticker symbol (ETH, BTC, SOL, ...) or by ERC-20 contract + network, at 5-minute (up to 2 days), hourly (up to 30 days) or daily (up to 365 days) resolution. Returns the points plus first/last/high/low and the percent change over the window - the data behind 'how did this token move over the last N days' without a separate market-data subscription. 404 (not charged) when the token is not in the price feed.
Output
A JSON object containing an array of timestamped price points (each with a Unix-aligned ISO timestamp and USD price), plus aggregate stats: first price, last price, high, low, change percentage, candle count, interval used, start/end times, network, contract address, ticker symbol, currency, data source (Alchemy), and fetch timestamp.
Example use cases
DeFi token peg monitoring
“Get the daily price history for USDC on Ethereum over the last 7 days using contract 0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48 and tell me if it ever deviated more than 0.1% from $1.”
Portfolio performance snapshot
“Show me the hourly price candles for ETH on Ethereum for the past 7 days — I want to see the high, low, and percentage change over that window.”
Altcoin launch price analysis
“Fetch 5-minute price intervals for the token at contract 0xYourTokenAddress on Base starting from 2025-01-10T00:00:00Z through 2025-01-11T00:00:00Z so I can see how it traded in the first 24 hours.”
Technical details
Endpoint
POSThttps://agent402.tools/api/token-price-historyWhen to prefer
Choose this endpoint when you need structured historical token price data (OHLC-style candles) for a specific ERC-20 token or major crypto asset across Ethereum, Base, Polygon, Arbitrum, or Optimism — especially when you want flexible time windows and intervals without needing an API key. Prefer this over generic market data APIs when operating in an agent wallet context (x402/MPP pay-per-call) or when querying tokens by contract address rather than CEX ticker.
Side effects
- Invalid or unrecognized ticker symbol returns an error or empty result
- Contract address not found on the specified network
- Mismatched contract+network combination yields no data
- startTime after endTime returns a validation error
- Unsupported interval value (not 5m, 1h, or 1d) causes a bad request
- Token has insufficient on-chain liquidity history for requested range
- Payment failure (insufficient USDC balance) blocks the call entirely
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| days | number | Shortcut: window length in days ending now (default 1 for 5m, 7 for 1h, 30 for 1d). |
| symbol | string | Ticker symbol (e.g. ETH, BTC). Use this OR contract+network. |
| endTime | string | ISO-8601 or unix seconds (default now). |
| network | string | ethereum / base / polygon / arbitrum / optimism (default ethereum). |
| contract | string | 0x-prefixed 40-char ERC-20 contract address (with `network`). |
| interval | string | 5m, 1h, or 1d (default 1d). |
| startTime | string | ISO-8601 or unix seconds. Overrides `days`. |
Output
Schema · Response
{
"type": "json",
"example": {
"low": 0.99951,
"high": 0.99982,
"last": 0.99971,
"count": 7,
"first": 0.99966,
"points": [
{
"t": "2026-08-16T00:00:00Z",
"price": 0.99966
}
],
"source": "alchemy",
"symbol": null,
"endTime": "2026-08-22T12:00:00.000Z",
"network": "ethereum",
"contract": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"currency": "usd",
"interval": "1d",
"changePct": 0.005,
"fetchedAt": "2026-08-22T12:00:00.000Z",
"startTime": "2026-08-15T12:00:00.000Z"
}
}Tags
x402
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