Run a transaction simulation and EVM safety preflight with gas, destination prox
Run a transaction simulation and EVM safety preflight with gas, destination proxy evidence, and optional token security and allowance checks in one decision-ready report.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
291 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://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/transaction_preflight
| Category | Market data |
|---|---|
| Provider host | ai-data-marketplace-1042299154756.us-central1.run.app |
| 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 |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.005 | 291 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"chain": "base",
"data": "0x",
"from": "0x0000000000000000000000000000000000000001",
"to": "0x0000000000000000000000000000000000000002",
"value": "0x0"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": true,
"properties": {
"chain": {
"description": "base, ethereum, or arbitrum; defaults to base.",
"type": "string"
},
"data": {
"description": "Hex calldata; defaults to 0x.",
"type": "string"
},
"from": {
"description": "Optional sender address for simulation.",
"type": "string"
},
"spender": {
"description": "Optional spender for allowance evidence when from and token_contract are supplied.",
"type": "string"
},
"to": {
"description": "Destination contract or wallet address.",
"type": "string"
},
"token_contract": {
"description": "Optional token contract for GoPlus security evidence.",
"type": "string"
},
"value": {
"description": "Hex native-token value; defaults to 0x0.",
"type": "string"
}
},
"required": [
"to"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": true,
"properties": {
"broadcast": {
"type": "boolean"
},
"checks_completed": {
"type": "integer"
},
"decision": {
"type": "string"
},
"success": {
"type": "boolean"
}
},
"required": [
"success",
"broadcast",
"decision",
"checks_completed"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}