Vextorium · Build a revoke-approval transaction
https://api.vextorium.com/v1/revoke-approvalOverview
Build the transaction that revokes a contract's permission over an ERC-20 token (approve(spender, 0)): target and calldata ready to sign in your wallet. Nothing is sent.
Protocol
x402 (POST)
Price
—
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
crypto/security
Provider
vextorium
Source
bazaar
Indexed
2026-10-03 22:23:37
Health
Status
healthy
Latency (p50)
167ms
Uptime (30d)
100.0%
Reliability Score
97/100
Last Checked
2026-10-07 06:10:06
Last Healthy
2026-10-07 06:10:06
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-07 06:10:06 | healthy | 402 | 197ms | |
| 2026-10-06 20:46:51 | healthy | 402 | 166ms | |
| 2026-10-06 12:09:42 | healthy | 402 | 167ms | |
| 2026-10-05 20:52:19 | healthy | 402 | 216ms | |
| 2026-10-05 09:31:03 | healthy | 402 | 822ms | |
| 2026-10-04 22:10:04 | healthy | 402 | 51ms |