EVM token approval audit on 16 chains
EVM token approval audit on 16 chains: active and unlimited allowances to Permit2, Uniswap, 1inch, 0x, Seaport and Aave for the main tokens of a wallet.
Answeringour last check, 2026-10-21
1 of 1checks answered this week
295 msmedian answer time
$0.01listed price per call
$0.01price 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://saylorinnovations.com/api/explorer/approvals
| Category | Code and developer |
|---|---|
| Provider host | saylorinnovations.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-21 | valid payment request | 402 | $0.01 | 295 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"chain": "ethereum",
"owner": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"chain": {
"description": "chain name or id",
"type": "string"
},
"owner": {
"description": "the wallet address to audit",
"type": "string"
}
},
"required": [
"chain",
"owner"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"active_allowances": {
"description": "Active allowances",
"type": "array"
},
"chain": {
"description": "Blockchain the data is for",
"type": "string"
},
"note": {
"description": "Caveat or context for reading the result",
"type": "string"
},
"owner": {
"description": "Owner address",
"type": "string"
},
"risk": {
"type": "string"
},
"source": {
"description": "Data source the values come from",
"type": "string"
},
"spenders_checked": {
"description": "Spenders checked",
"type": "number"
},
"tokens_checked": {
"description": "Tokens checked",
"type": "number"
},
"unlimited_count": {
"description": "Number of unlimited",
"type": "number"
}
},
"required": [
"chain",
"owner",
"tokens_checked",
"spenders_checked",
"active_allowances",
"unlimited_count",
"risk",
"note",
"source"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}