ERC-20 allowance on Ethereum: how much a spender may transfer from an owner, whe...
https://ca-tax-api-mainnet.lxtap.workers.dev/eth/allowanceOverview
ERC-20 allowance on Ethereum: how much a spender may transfer from an owner, whether the approval is effectively unlimited, the owner's balance, and the amount the spender could move right now.
Protocol
x402
Price
$0.0050
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
crypto/transactions
Provider
Ethereum Onchain Data
Source
bazaar
Indexed
2026-10-22 16:25:05
Health
Status
down
Latency (p50)
427ms
Uptime (30d)
50.0%
Reliability Score
52/100
Last Checked
2026-10-28 01:31:37
Last Healthy
2026-10-27 22:35:15
Consecutive Failures
3
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"owner": "0x72aB1B98b60a9251Cc00ab1C3bBe9F48CdFdCA40",
"spender": "0x1231DEB6f5749EF6cE6943a275A1D3E7486F4EaE",
"token": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"
},
"type": "http"
}
Output Schema
{
"example": {
"allowance": "115792089237316195423570985008687907853269984665640564039457584007913032.819903",
"chain": "eth",
"owner": "0x72aB1B98b60a9251Cc00ab1C3bBe9F48CdFdCA40",
"ownerBalance": "0",
"raw": "115792089237316195423570985008687907853269984665640564039457584007913032819903",
"spendableNow": "0",
"spender": "0x1231DEB6f5749EF6cE6943a275A1D3E7486F4EaE",
"symbol": "USDC",
"token": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
"unlimited": true
},
"type": "json"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-28 01:31:37 | timeout | — | — | timeout |
| 2026-10-28 00:27:08 | timeout | — | — | timeout |
| 2026-10-27 23:32:23 | timeout | — | — | timeout |
| 2026-10-27 22:35:15 | healthy | 402 | 272ms | |
| 2026-10-27 21:31:14 | healthy | 402 | 2440ms | |
| 2026-10-27 20:16:22 | healthy | 402 | 877ms | |
| 2026-10-27 19:12:29 | timeout | — | — | timeout |
| 2026-10-26 11:58:44 | healthy | 402 | 57ms | |
| 2026-10-25 22:42:47 | timeout | — | — | timeout |
| 2026-10-25 10:42:30 | healthy | 402 | 427ms |