SpellzCode — Optimism contract check
https://agent-data-tools.revmesh2074.workers.dev/op/is-contract?address=0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85Overview
Check whether a 0x address on Optimism is a smart contract or a plain wallet: bytecode size, and whether it is an EIP-1167 minimal proxy and which implementation it points to. Use before sending funds or approving a spender; for a fuller risk verdict use check_counterparty. A malformed address is rejected with 400, uncharged.
Protocol
x402
Price
$0.0030
Payment Asset
USDC
Payment Network
Base
Category
blockchain/onchain-data
Provider
Agent Data Tools
Source
self-registered
Indexed
2026-10-18 20:11:51
Health
Status
healthy
Latency (p50)
1114ms
Uptime (30d)
100.0%
Reliability Score
80/100
Last Checked
2026-10-20 18:33:54
Last Healthy
2026-10-20 18:33:54
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-20 18:33:54 | healthy | 402 | 770ms | |
| 2026-10-20 09:47:13 | healthy | 402 | 1482ms | |
| 2026-10-19 10:50:14 | healthy | 402 | 1114ms |