Get on-chain facts about a Base token contract
Get on-chain facts about a Base token contract
Answeringour last check, 2026-10-04
1 of 1checks answered this week
885 msmedian answer time
$0.005listed price per call
$0.005price 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://base-facts.yankii.fr/v1/facts
| Category | Market data |
|---|---|
| Provider host | base-facts.yankii.fr |
| Networks | eip155:8453 |
| 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 | $0.005 | 885 ms |
Example input (from the provider)
{
"body": {
"token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"token": {
"description": "Token contract address (0x-prefixed hex, 20 bytes)",
"type": "string"
}
},
"required": [
"token"
],
"type": "object"
},
"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": {
"adminFunctionsDetected": {
"additionalProperties": {
"type": "boolean"
},
"type": "object"
},
"blockNumber": {
"type": "string"
},
"contractType": {
"enum": [
"ERC20",
"other",
"EOA"
],
"type": "string"
},
"erc20": {
"properties": {
"decimals": {
"type": "integer"
},
"name": {
"type": "string"
},
"symbol": {
"type": "string"
},
"totalSupply": {
"type": "string"
}
},
"type": "object"
},
"isContract": {
"type": "boolean"
},
"owner": {
"type": "string"
},
"proxy": {
"properties": {
"implementation": {
"type": "string"
},
"isProxy": {
"type": "boolean"
},
"standard": {
"enum": [
"EIP-1967",
"ZeppelinOS"
],
"type": "string"
}
},
"type": "object"
},
"source": {
"enum": [
"base-mainnet-rpc",
"base-sepolia-rpc"
],
"type": "string"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}