{ "x402Version": 2, "id": 1095, "slug": "1095", "resource": "https://aiagentoracle.ai/api/v1/preflight", "description": "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", "type": "http", "accepts": [ { "scheme": "exact", "network": "eip155:8453", "payTo": "0x2feCabDFC849C76fdC28CA13Aa0Ab392753EF35C", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "250000", "maxTimeoutSeconds": 60 } ], "outputSchema": { "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" } } }, "tags": [ "bazaar" ], "sourceHost": "aiagentoracle.ai", "lastUpdated": "2026-09-06T12:33:04.145Z", "quality": { "calls30d": 9, "uniquePayers30d": 1, "lastCalledAt": "2026-09-06T12:33:03.86Z" }, "liveness": {}, "verified": false, "featured": false, "provider": { "host": "aiagentoracle.ai", "manifest_name": "aiagentoracle.ai", "source": "cdp-mirror", "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "submitted_at": "2026-09-18T22:00:31.484Z" } }