ERC-20 allowance on Base: how much a spender may transfer from an owner, whether...
https://ca-tax-api-mainnet.lxtap.workers.dev/base/allowanceOverview
ERC-20 allowance on Base: 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
Base Onchain Data
Source
bazaar
Indexed
2026-10-22 08:24:38
Health
Status
unknown
Latency (p50)
174ms
Uptime (30d)
57.6%
Reliability Score
68.8/100
Last Checked
2026-10-31 07:14:58
Last Healthy
2026-10-31 05:14:43
Consecutive Failures
2
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"owner": "0x698229f40EF287c4B470813e95429f8d764E8054",
"spender": "0x000000000022D473030F116dDEE9F6B43aC78BA3",
"token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
},
"type": "http"
}
Output Schema
{
"example": {
"allowance": "0",
"chain": "base",
"owner": "0x698229f40EF287c4B470813e95429f8d764E8054",
"ownerBalance": "0",
"raw": "0",
"spendableNow": "0",
"spender": "0x000000000022D473030F116dDEE9F6B43aC78BA3",
"symbol": "USDC",
"token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"unlimited": false
},
"type": "json"
}