CoinCap
x402Grade BLast checked 1 hour ago
GET https://rest.coincap.io/v3/agentFriendly/total_market_cap_history
Total crypto market-cap history (capped data points).
Price$0.01per price or market lookup · paid in USD on Base
Uptime100%
4/4 probes · 1428 ms
Score71Grade B
Paid usage, 30 days2payers · 5 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://rest.coincap.io/v3/agentFriendly/total_market_cap_history"
# 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 10:16 | Valid 402 | 402 | 1611 ms | $0.01 |
| 2026-10-11 06:00 | Valid 402 | 402 | 1285 ms | $0.01 |
| 2026-10-11 01:30 | Valid 402 | 402 | 1367 ms | $0.01 |
| 2026-10-10 21:00 | Valid 402 | 402 | 1489 ms | $0.01 |
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