Call a read-only (view/pure) function on any deployed contract via eth_call and
Call a read-only (view/pure) function on any deployed contract via eth_call and get the decoded result. Give the contract address and a human-readable signature (e.g. 'balanceOf(address) view returns (uint256)') plus args; include return types to decode outputs, else raw hex is returned. Reads allowances, oracle prices and vault/DAO state. Read-only, no signing. Ethereum, Base, Arbitrum, Optimism, Polygon.
Answeringour last check, 2026-09-27
1 of 1checks answered this week
471 msmedian answer time
$0.006listed price per call
$0.006price 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://chain.openverbs.com/v1/read-contract
| Category | Market data |
|---|---|
| Provider host | chain.openverbs.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-27 | valid payment request | 402 | $0.006 | 471 ms |
Example input (from the provider)
{
"body": {},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"address": {
"description": "Deployed contract address.",
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"args": {
"description": "Function arguments in order (numbers may be passed as strings).",
"type": "array"
},
"block": {
"description": "Block number or tag (latest, earliest, pending, safe, finalized). Default latest.",
"type": [
"integer",
"string"
]
},
"chain": {
"description": "EVM chain to query. One of: ethereum, base, arbitrum, optimism, polygon. Default \"ethereum\".",
"enum": [
"ethereum",
"base",
"arbitrum",
"optimism",
"polygon"
],
"type": "string"
},
"function": {
"description": "Human-readable function signature, e.g. \"balanceOf(address) view returns (uint256)\". Include the return types to decode the result.",
"type": "string"
}
},
"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"
}
},
"required": [
"input"
],
"type": "object"
}