Must-call before Base send/swap/bridge/stake/contract_call: returns decision ALLOW|REVIEW|
Must-call before Base send/swap/bridge/stake/contract_call: returns decision ALLOW|REVIEW|BLOCK plus riskScore, simulation/allowance evidence, reasons[], and expiresAt. Agents must abort on BLOCK, escalate on REVIEW, and only sign/submit on ALLOW while now < expiresAt. Optional unsigned tx + allowanceChecks strengthen evidence; omit sender → REVIEW. $0.25 USDC via x402. Docs: https://aiagentoracle.ai/docs/preflight
250000 (raw units)
price
9
calls / 30d
1
unique payers
2026-09-06
updated
Provider
aiagentoracle.ai · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x2feCabDFC849C76fdC28CA13Aa0Ab392753EF35C",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "250000",
"maxTimeoutSeconds": 60
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"body": {
"action": "contract_call",
"allowanceChecks": [
{
"owner": "0x1111111111111111111111111111111111111111",
"requiredAmount": "100000000",
"spender": "0x2222222222222222222222222222222222222222",
"token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
}
],
"amountUsd": 100,
"contractAddress": "0x2222222222222222222222222222222222222222",
"fromToken": "USDC",
"network": "eip155:8453",
"transaction": {
"data": "0x12345678",
"from": "0x1111111111111111111111111111111111111111",
"to": "0x2222222222222222222222222222222222222222"
},
"walletAddress": "0x1111111111111111111111111111111111111111"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"allowanceChecks": [],
"checkedAt": "2025-12-31T23:59:30Z",
"contractRisk": {
"detail": "No contract supplied.",
"level": "NOT_ASSESSED",
"value": null
},
"dataQuality": "HIGH",
"decision": "ALLOW",
"disclaimer": "Informational and non-executable.",
"expectedPriceImpactPercent": 0.01,
"expiresAt": "2026-01-01T00:00:30Z",
"gas": {
"basis": "ESTIMATED",
"gasPriceWei": "1000000",
"usd": 0.02
},
"liquidity": {
"detail": "Reported liquidity.",
"level": "LOW",
"value": 10000000
},
"marketVolatility": {
"detail": "Absolute 24h change.",
"level": "LOW",
"value": 2
},
"priceDeviationPercent": null,
"reasons": [
"No elevated risk."
],
"riskScore": 18,
"simulation": {
"blockTag": "pending",
"calldataSelector": "0x12345678",
"checkedAt": "2025-12-31T23:59:30Z",
"gasEstimate": "145000",
"provider": "Base JSON-RPC",
"returnData": "0x",
"revertData": null,
"revertReason": null,
"status": "SUCCESS",
"target": "0x2222222222222222222222222222222222222222"
},
"slippageRisk": {
"detail": "Impact and configured slippage.",
"level": "LOW",
"value": 1
},
"sources": [],
"walletRisk": {
"detail": "No wallet evidence queried.",
"level": "NOT_ASSESSED",
"value": null
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"action": {
"enum": [
"swap",
"transfer",
"bridge",
"stake",
"contract_call"
],
"type": "string"
},
"allowanceChecks": {
"items": {
"additionalProperties": false,
"properties": {
"owner": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"requiredAmount": {
"pattern": "^[0-9]+$",
"type": "string"
},
"spender": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"token": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
}
},
"required": [
"token",
"owner",
"spender",
"requiredAmount"
],
"type": "object"
},
"maxItems": 10,
"type": "array"
},
"amountUsd": {
"exclusiveMinimum": 0,
"type": "number"
},
"contractAddress": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"fromToken": {
"type": "string"
},
"maxSlippageBps": {
"maximum": 10000,
"minimum": 0,
"type": "integer"
},
"network": {
"enum": [
"base",
"eip155:8453"
],
"type": "string"
},
"toToken": {
"type": "string"
},
"transaction": {
"additionalProperties": false,
"properties": {
"data": {
"maxLength": 131074,
"pattern": "^0x(?:[a-fA-F0-9]{2})*$",
"type": "string"
},
"from": {
"description": "Sender context. If omitted along with walletAddress, simulation cannot automatically ALLOW.",
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"to": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"value": {
"pattern": "^0x(?:0|[1-9a-fA-F][0-9a-fA-F]*)$",
"type": "string"
}
},
"required": [
"to",
"data"
],
"type": "object"
},
"walletAddress": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
}
},
"required": [
"network",
"action",
"fromToken",
"amountUsd"
],
"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": {
"allowanceChecks": {
"items": {
"type": "object"
},
"type": "array"
},
"checkedAt": {
"format": "date-time",
"type": "string"
},
"contractRisk": {
"type": "object"
},
"dataQuality": {
"enum": [
"HIGH",
"MEDIUM",
"LOW"
],
"type": "string"
},
"decision": {
"enum": [
"ALLOW",
"REVIEW",
"BLOCK"
],
"type": "string"
},
"disclaimer": {
"type": "string"
},
"expectedPriceImpactPercent": {
"type": [
"number",
"null"
]
},
"expiresAt": {
"format": "date-time",
"type": "string"
},
"gas": {
"type": "object"
},
"liquidity": {
"type": "object"
},
"marketVolatility": {
"type": "object"
},
"priceDeviationPercent": {
"type": [
"number",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": "array"
},
"riskScore": {
"maximum": 100,
"minimum": 0,
"type": "integer"
},
"simulation": {
"type": "object"
},
"slippageRisk": {
"type": "object"
},
"sources": {
"items": {
"type": "object"
},
"type": "array"
},
"walletRisk": {
"type": "object"
}
},
"required": [
"decision",
"riskScore",
"gas",
"liquidity",
"slippageRisk",
"contractRisk",
"marketVolatility",
"walletRisk",
"simulation",
"allowanceChecks",
"reasons",
"checkedAt",
"expiresAt",
"sources",
"disclaimer"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://aiagentoracle.ai/api/v1/preflight" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://aiagentoracle.ai/api/v1/preflight");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://aiagentoracle.ai/api/v1/preflight")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/1095.json, and this resource appears in /discovery/resources and /discovery/search.