chainpeek (Tanod) read-only contract call (eth_call) on Ethereum or Base
chainpeek (Tanod) read-only contract call (eth_call) on Ethereum or Base: raw hex calldata in, raw hex result out. Use when an agent must read a contract function's return value without sending a transaction.
Not tested: has real-world effectsour last check, 2026-10-10
0 of 0checks answered this week
n/amedian answer time
$0.002listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://tanod.dev/v1/chain/call
| Category | Market data |
|---|---|
| Provider host | tanod.dev |
| Networks | eip155:137, eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
We never call tools that send, buy, move money or file anything, not even without paying.
Example input (from the provider)
{
"body": {
"chain": "base",
"data": "0x18160ddd",
"to": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"block": {
"anyOf": [
{
"pattern": "^(latest|pending|finalized|[0-9]{1,13})$",
"type": "string"
},
{
"type": "integer"
},
{
"type": "null"
}
],
"default": null,
"description": "latest (default), pending, finalized or a block number (older blocks need an archive node and may fail)."
},
"chain": {
"description": "ethereum or base.",
"enum": [
"ethereum",
"base"
],
"type": "string"
},
"data": {
"description": "ABI-encoded calldata, 0x-hex with an even number of digits, at most 8 kB (4-byte selector + arguments; 0x18160ddd is totalSupply()).",
"maxLength": 16386,
"pattern": "^0x([0-9a-fA-F]{2})*$",
"type": "string"
},
"to": {
"description": "Contract (or account) to call.",
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
}
},
"required": [
"chain",
"to",
"data"
],
"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": {
"block": {
"type": [
"string",
"integer"
]
},
"chain": {
"type": "string"
},
"is_empty": {
"type": "boolean"
},
"note": {
"type": "string"
},
"result": {
"type": "string"
},
"result_bytes": {
"type": "integer"
},
"selector": {
"type": [
"string",
"null"
]
},
"to": {
"type": "string"
}
},
"required": [
"chain",
"to",
"block",
"result",
"result_bytes",
"is_empty"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}