ERC-20 allowance on Ethereum
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.
Not tested: has real-world effectsour last check, 2026-10-24
0 of 0checks answered this week
n/amedian answer time
$0.005listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://ca-tax-api-mainnet.lxtap.workers.dev/eth/allowance
| Category | Market data |
|---|---|
| Provider host | ca-tax-api-mainnet.lxtap.workers.dev |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
We never call tools that send, buy, move money or file anything, not even without paying.
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"owner": "0x72aB1B98b60a9251Cc00ab1C3bBe9F48CdFdCA40",
"spender": "0x1231DEB6f5749EF6cE6943a275A1D3E7486F4EaE",
"token": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"owner": {
"description": "Address that granted the approval",
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"spender": {
"description": "Address allowed to spend",
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"token": {
"description": "ERC-20 contract on Ethereum",
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
}
},
"required": [
"token",
"owner",
"spender"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}