Runs any read-only contract call (eth_call) with your own calldata and returns t
Runs any read-only contract call (eth_call) with your own calldata and returns the raw result, on five chains, with no API key and no rate limit. The escape hatch for anything the typed endpoints do not cover.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
22 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
GET https://flat-rate-llm.kikoribera03.workers.dev/v1/evm/call
| Category | Everything else |
|---|---|
| Provider host | flat-rate-llm.kikoribera03.workers.dev |
| Networks | eip155:137, eip155:42161, eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 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 | $0.005 | 22 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"chain": "base",
"data": "0x18160ddd",
"to": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"block": {
"description": "Block tag or number. Defaults to latest.",
"type": "string"
},
"chain": {
"description": "base | ethereum | polygon | arbitrum | optimism.",
"type": "string"
},
"data": {
"description": "0x-prefixed calldata: 4-byte selector plus encoded arguments.",
"type": "string"
},
"from": {
"description": "Optional caller address, for calls that check msg.sender.",
"type": "string"
},
"to": {
"description": "Contract address to call.",
"type": "string"
}
},
"required": [
"to",
"data"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}