Crypto Market Snapshot - Top 250
x402Grade BLast checked 1 hour ago
GET https://www.blockchainiq.co/api/x402/v1/prices
Bulk crypto prices in one call: live USD price, market cap, rank, 24h volume, 24h/7d/30d change and all-time high for the top 250 coins by market cap plus the smaller names we track (280+ coins). Use for screening, ranking, top gainers and losers, portfolio valuation or building a market table without hundreds of single lookups. Refreshed every minute. JSON, no API key. $0.02 per call. Blockchain IQ.
Price$0.02per price or market lookup · paid in USD on Base
Uptime100%
4/4 probes · 634 ms
Score72Grade B
Paid usage, 30 days1payers · 1 calls
How to buy
This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.
curl -i -X GET "https://www.blockchainiq.co/api/x402/v1/prices"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-11 09:30 | Valid 402 | 402 | 1064 ms | $0.02 |
| 2026-10-11 05:00 | Valid 402 | 402 | 204 ms | $0.02 |
| 2026-10-11 00:30 | Valid 402 | 402 | 185 ms | $0.02 |
| 2026-10-10 20:15 | Valid 402 | 402 | 1248 ms | $0.02 |
Receipts
No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.
What a check proves