saylorinnovations.com
x402Grade CLast checked 2 min ago
GET https://saylorinnovations.com/api/evm/optimism/call/:address
Read-Only Contract Call (eth_call) (optimism). Optimism read-only contract call (eth_call) with ?data= calldata, optional ?from= and ?block=; reverts reported cleanly with revert data.
Price$0.003per chain read · paid in USD on Solana
Uptime100%
3/3 probes · 588 ms
Score58Grade C
Paid usage, 30 days1payers · 4 calls
Warnings
Price mismatch The live price differs from the catalogue listing.
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://saylorinnovations.com/api/evm/optimism/call/:address"
# 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 11:16 | Valid 402 | 402 | 680 ms | $0.01 |
| 2026-10-11 07:00 | Valid 402 | 402 | 814 ms | $0.01 |
| 2026-10-11 02:30 | Valid 402 | 402 | 541 ms | $0.01 |
| 2026-10-10 22:01 | Valid 402 | 402 | 588 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