Proxy contract resolver for 16 EVM chains
Proxy contract resolver for 16 EVM chains: EIP-1967, EIP-1822, EIP-1167 clone and legacy OpenZeppelin patterns, implementation, admin and beacon address.
Answeringour last check, 2026-10-21
1 of 1checks answered this week
437 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/chain/proxy
| Category | Everything else |
|---|---|
| Provider host | saylorinnovations.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| 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 |
|---|---|---|---|---|
| 2026-10-21 | valid payment request | 402 | $0.01 | 437 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"address": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
"chain": "ethereum"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"address": {
"description": "the contract address to resolve",
"type": "string"
},
"chain": {
"description": "chain name (ethereum, base, arbitrum, optimism, polygon, bsc, avalanche, gnosis, linea, scroll, mantle, blast, sonic, celo, berachain, unichain) or chain id",
"type": "string"
}
},
"required": [
"chain",
"address"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"address": {
"description": "the contract that was resolved",
"type": "string"
},
"admin": {
"description": "EIP-1967 admin address when set",
"type": [
"string",
"null"
]
},
"beacon": {
"description": "beacon contract for beacon proxies",
"type": [
"string",
"null"
]
},
"chain": {
"description": "the chain name that was queried",
"type": "string"
},
"chain_id": {
"description": "EIP-155 chain id of that network",
"type": "number"
},
"detail": {
"description": "short explanation of the pattern",
"type": "string"
},
"implementation": {
"description": "address the proxy delegates to",
"type": [
"string",
"null"
]
},
"implementation_code_size_bytes": {
"description": "size of the implementation's deployed code",
"type": [
"number",
"null"
]
},
"is_proxy": {
"description": "true when a standard proxy pattern matched",
"type": "boolean"
},
"note": {
"description": "plain-language reading of the result"
},
"proxy_kind": {
"description": "which pattern matched, or none",
"type": "string"
},
"source": {
"description": "where the data was read from",
"type": "string"
},
"upgradeable": {
"description": "false for fixed clones and non-proxies, true otherwise",
"type": "boolean"
}
},
"required": [
"chain",
"chain_id",
"address",
"is_proxy",
"proxy_kind",
"upgradeable",
"detail",
"source"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}