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Financial Data x402 – Crypto Prices
x402
Financial Data x402 – Crypto Prices is a paid API for AI agents from x402financialdata.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Returns real-time cryptocurrency prices, market cap, 24h change, ATH, and supply data for one or more coin symbols via pay-per-call x402 micropayment.
Price / call$0.005
Success—
StatusUnknown
How this service works
Pay-per-call stock, macro, on-chain, and crypto data over the x402 protocol. USDC on Base or Solana, no API keys, no subscriptions.
Output
A JSON object containing an as-of date, source attribution (CoinGecko), vs_currency (USD), and an array of coin objects. Each coin includes: name, symbol, current price, 24h high/low, 24h change (absolute and percent), market cap, market cap rank, ATH, ATH date, ATH change percent, circulating supply, total supply, max supply, 24h volume, CoinGecko ID, and last updated timestamp. Any unresolvable symbols appear in an errors array.
Example use cases
Portfolio snapshot for crypto holdings
“Pull the latest prices and 24-hour percent changes for BTC, ETH, and SOL so I can see how my portfolio is doing today.”
ATH distance check before trade
“How far is Bitcoin currently from its all-time high, and what's its 24h volume right now?”
Multi-coin market briefing for newsletter
“Give me the current price, market cap rank, and 24h change for BTC, ETH, SOL, and AVAX — I'm writing a quick market summary.”
Technical details
Endpoint
GEThttps://x402financialdata.com/crypto-pricesWhen to prefer
Choose this endpoint when you need live, multi-field cryptocurrency market data (price, ATH, supply, volume, 24h change) for one or more coins in a single call, without managing API keys or subscriptions. It is ideal for agents that can pay micropayments via x402 (USDC on Base or Solana) and need CoinGecko-quality data on demand. Prefer it over subscription APIs when call volume is sporadic or cost-per-call economics are preferable, and over free public APIs when reliability and structured JSON responses matter.
Side effects
- Unknown or misspelled ticker symbol returns an entry in the errors array rather than coin data
- Missing required 'symbols' query parameter results in a 400 Bad Request
- Payment failure or insufficient USDC balance causes a 402 Payment Required response and no data is returned
- CoinGecko upstream outage may cause stale or missing data
- Rate limiting or network errors may result in 5xx responses
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"as_of": "2026-07-30",
"coins": [
{
"ath": 126080,
"name": "Bitcoin",
"price": 64086,
"symbol": "BTC",
"low_24h": 63247,
"ath_date": "2025-10-06T10:57:42.000Z",
"high_24h": 64660,
"change_24h": 253.14,
"market_cap": 1285707905419,
"max_supply": 21000000,
"volume_24h": 28246728640,
"coingecko_id": "bitcoin",
"last_updated": "2026-07-30T03:40:20.000Z",
"total_supply": 20063103,
"ath_change_pct": -49.1701,
"change_24h_pct": 0.7,
"market_cap_rank": 1,
"circulating_supply": 20063068
}
],
"errors": [],
"source": "coingecko",
"vs_currency": "usd"
}
}Tags
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