EIP-1967 proxy resolver for a Base contract
EIP-1967 proxy resolver for a Base contract: implementation, admin, beacon addresses + is_proxy. Use when an agent must know what code actually runs behind a proxy before trusting or calling it.
Answeringour last check, 2026-10-19
1 of 1checks answered this week
16 msmedian answer time
$0.003listed price per call
$0.003price 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://x402-data-api.sigrunner.workers.dev/chain/proxy-info
| Category | Code and developer |
|---|---|
| Provider host | x402-data-api.sigrunner.workers.dev |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-19 | valid payment request | 402 | $0.003 | 16 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"address": "0x4200000000000000000000000000000000000006"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"address": {
"description": "0x-prefixed contract address on Base",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"address": {
"type": "string"
},
"admin": {
"type": "null"
},
"beacon": {
"type": "null"
},
"chain": {
"type": "string"
},
"implementation": {
"type": "null"
},
"is_proxy": {
"type": "boolean"
}
},
"required": [
"address",
"is_proxy",
"implementation",
"admin",
"beacon",
"chain"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}