ERC-20 allowance on Polygon PoS: how much a spender may transfer from an owner, ...
https://ca-tax-api-mainnet.lxtap.workers.dev/polygon/allowanceOverview
ERC-20 allowance on Polygon PoS: 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
Polygon PoS Onchain Data
Source
bazaar
Indexed
2026-10-22 16:25:05
Health
Status
healthy
Latency (p50)
178ms
Uptime (30d)
57.6%
Reliability Score
78.8/100
Last Checked
2026-10-31 07:13:55
Last Healthy
2026-10-31 07:13:55
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"owner": "0x357542d88744DB4BFfE8F90008138dDc4a10cdC3",
"spender": "0x429eba38eF16A42C62b497C22A4662C45b37f848",
"token": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359"
},
"type": "http"
}
Output Schema
{
"example": {
"allowance": "115792089237316195423570985008687907853269984665640564039457584007913129.639935",
"chain": "polygon",
"owner": "0x357542d88744DB4BFfE8F90008138dDc4a10cdC3",
"ownerBalance": "0",
"raw": "115792089237316195423570985008687907853269984665640564039457584007913129639935",
"spendableNow": "0",
"spender": "0x429eba38eF16A42C62b497C22A4662C45b37f848",
"symbol": "USDC",
"token": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"unlimited": true
},
"type": "json"
}