Resolve 29 common ERC-20, ERC-165, ERC-721, ERC-1155, ERC-2612, and ERC-3009 sel
Resolve 29 common ERC-20, ERC-165, ERC-721, ERC-1155, ERC-2612, and ERC-3009 selectors without a network lookup, or strictly decode arbitrary Ethereum or EVM calldata using a supplied Solidity signature.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
353 msmedian answer time
$0.001listed price per call
$0.001price 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://apiacre.com/v1/crypto/calldata-decode
| Category | Market data |
|---|---|
| Provider host | apiacre.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
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.001 | 353 ms |
Example input (from the provider)
{
"body": {
"calldata": "0xa9059cbb0000000000000000000000001111111111111111111111111111111111111111000...",
"input_mode": "auto"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"calldata": {
"type": "string"
},
"function_signature": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"input_mode": {
"enum": [
"auto",
"selector_and_arguments",
"arguments_only"
],
"type": "string"
}
},
"required": [
"calldata"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"properties": {
"arguments": {
"items": {
"type": "object"
},
"type": "array"
},
"canonicalSignature": {
"type": "string"
},
"encoding": {
"type": "object"
},
"function": {
"type": "string"
},
"inputMode": {
"type": "string"
},
"resolution": {
"type": "object"
},
"selector": {
"type": "string"
},
"selectorPresent": {
"type": "boolean"
},
"signature": {
"type": "string"
},
"signatureSource": {
"type": "string"
},
"types": {
"items": {
"type": "string"
},
"type": "array"
},
"values": {
"items": {},
"type": "array"
},
"warnings": {
"items": {
"type": "string"
},
"type": "array"
}
},
"type": "object"
},
"meta": {
"properties": {
"cached": {
"type": "boolean"
},
"duration_ms": {
"type": "integer"
},
"next_actions": {
"items": {
"type": "object"
},
"type": "array"
},
"sources": {
"items": {
"type": "string"
},
"type": "array"
},
"warnings": {
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"duration_ms",
"cached",
"sources",
"warnings",
"next_actions"
],
"type": "object"
},
"request_id": {
"type": "string"
},
"service": {
"type": "string"
},
"version": {
"type": "string"
}
},
"required": [
"request_id",
"service",
"version",
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}