Check the ERC20 allowance an owner has granted a spender, returns raw and format...
https://api.x402node.dev/chain/token-allowanceOverview
Check the ERC20 allowance an owner has granted a spender, returns raw and formatted amount with token symbol and decimals on five EVM chains. token allowance, erc20 approval check, spender allowance, approval audit, revoke helper data
Protocol
x402
Price
$0.0050
Payment Asset
USD Coin
Payment Network
Base
Category
uncategorized
Provider
x402node
Source
bazaar
Indexed
2026-06-12 03:15:11
Health
Status
healthy
Latency (p50)
434ms
Uptime (30d)
100.0%
Reliability Score
90/100
Last Checked
2026-06-14 23:59:31
Last Healthy
2026-06-14 23:59:31
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
—
Facilitator
—
Input Schema
{
"discoverable": true,
"method": "GET",
"queryParams": {
"chain": "ethereum, base (default), arbitrum, optimism, polygon",
"owner": "Owner address (required)",
"spender": "Spender address (required)",
"token": "ERC20 contract (required)"
},
"type": "http"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-06-14 23:59:31 | healthy | 402 | 416ms | |
| 2026-06-14 14:47:26 | healthy | 402 | 446ms | |
| 2026-06-14 10:59:16 | healthy | 402 | 422ms | |
| 2026-06-14 05:05:48 | healthy | 402 | 507ms | |
| 2026-06-13 21:29:47 | healthy | 402 | 434ms | |
| 2026-06-13 17:15:42 | healthy | 402 | 434ms | |
| 2026-06-13 09:38:53 | healthy | 402 | 434ms | |
| 2026-06-13 04:45:38 | healthy | 402 | 433ms | |
| 2026-06-12 20:33:35 | healthy | 402 | 439ms | |
| 2026-06-12 16:40:17 | healthy | 402 | 447ms | |
| 2026-06-12 11:25:25 | healthy | 402 | 421ms | |
| 2026-06-12 10:41:50 | healthy | 402 | 424ms |