EVM developer utilities
EVM developer utilities: keccak256 hash, function selector from a signature, EIP-55 checksum address and wei/gwei/ether conversion.
Not tested: has real-world effectsour last check, 2026-09-28
0 of 0checks answered this week
n/amedian answer time
$0.003listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://api.vextorium.com/evm-utilidades-pago
| Category | Code and developer |
|---|---|
| Provider host | api.vextorium.com |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
We never call tools that send, buy, move money or file anything, not even without paying.
Example input (from the provider)
{
"body": {
"operacion": "selector",
"valor": "transfer(address,uint256)"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"a": {
"description": "Target unit for convertir",
"enum": [
"wei",
"gwei",
"ether"
],
"type": "string"
},
"de": {
"description": "Source unit for convertir",
"enum": [
"wei",
"gwei",
"ether"
],
"type": "string"
},
"operacion": {
"description": "Operation",
"enum": [
"keccak256",
"selector",
"checksum",
"convertir"
],
"type": "string"
},
"valor": {
"description": "Input value (text, hex, signature, address or number)",
"type": "string"
}
},
"required": [
"operacion",
"valor"
]
},
"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": {
"entrada": {
"type": [
"string",
"null"
]
},
"operacion": {
"type": [
"string",
"null"
]
},
"resultado": {
"type": [
"string",
"null"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}