Checks whether a smart contract's source code is verified and public on Sourcify
Checks whether a smart contract's source code is verified and public on Sourcify, on any EVM chain: match type, contract name, compiler, number of functions and a sample. Verified code = transparent and auditable (not a safety guarantee). Live from Sourcify.
Answeringour last check, 2026-10-04
1 of 1checks answered this week
310 msmedian answer time
$0.004listed price per call
$0.004price 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
POST https://api.vextorium.com/v1/contract-verified
| Category | Code and developer |
|---|---|
| Provider host | api.vextorium.com |
| Networks | eip155:10, eip155:5042, 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 |
|---|---|---|---|---|
| 2026-10-04 | valid payment request | 402 | $0.004 | 310 ms |
Example input (from the provider)
{
"body": {
"address": "0xdAC17F958D2ee523a2206206994597C13D831ec7",
"network": "ethereum"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"address": {
"description": "Contract address (0x\u2026)",
"type": "string"
},
"network": {
"description": "Chain: ethereum, base, arbitrum, optimism, polygon, bsc\u2026 or a chainId",
"type": "string"
}
},
"required": [
"address"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"address": {
"type": [
"string",
"null"
]
},
"chain_id": {
"type": [
"number",
"null"
]
},
"compiler": {
"type": [
"string",
"null"
]
},
"contract_name": {
"type": [
"string",
"null"
]
},
"functions": {
"items": {
"type": [
"null",
"string"
]
},
"type": [
"array",
"null"
]
},
"match": {
"type": [
"string",
"null"
]
},
"network": {
"type": [
"string",
"null"
]
},
"note": {
"type": [
"string",
"null"
]
},
"num_functions": {
"type": [
"number",
"null"
]
},
"source": {
"type": [
"string",
"null"
]
},
"verified": {
"type": [
"boolean",
"null"
]
},
"verified_on": {
"type": [
"string",
"null"
]
}
},
"type": [
"object",
"null"
]
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}