Detect upgradeable proxy patterns (EIP-1967, UUPS, Transparent, Beacon) for any
Detect upgradeable proxy patterns (EIP-1967, UUPS, Transparent, Beacon) for any contract and return the current implementation address. Essential before trusting or calling an unknown contract.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
22 msmedian answer time
$0.002listed price per call
$0.002price 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://multichain-rpc.clankerceo.workers.dev/proxy
| Category | Everything else |
|---|---|
| Provider host | multichain-rpc.clankerceo.workers.dev |
| Networks | eip155:137, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.002 | 22 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"address": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"chain": "polygon"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"address": {
"type": "string"
},
"chain": {
"type": "string"
}
},
"type": "object"
},
"type": {
"enum": [
"http"
],
"type": "string"
}
},
"required": [
"type",
"method",
"queryParams"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"enum": [
"json"
],
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}