{ "x402Version": 2, "id": 7490, "slug": "7490", "resource": "https://api.usesaferoute.com/v1/quote", "description": "Buy a safety-checked Base DEX swap quote for USDC, WETH, EURC, cbETH, cbBTC, VIRTUAL, or AERO. Returns unsigned calldata or a buyer-signable gasless payload; SafeRoute never holds funds, signs, or broadcasts.", "type": "http", "accepts": [ { "scheme": "exact", "network": "eip155:8453", "payTo": "0x08a6a2ddecdebdbfcb29d725042a6f3d74849e08", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "10000", "maxTimeoutSeconds": 300 } ], "outputSchema": { "bazaar": { "info": { "input": { "body": { "amount": "25", "executionMode": "standard", "from": "USDC", "intentId": "intent_unique_1234567890", "referralCode": "PARTNER_CODE", "sourceAgentId": "buyer-agent-id", "to": "WETH", "wallet": "0x1111111111111111111111111111111111111111" }, "bodyType": "json", "method": "POST", "type": "http" }, "output": { "example": { "approvalRequired": false, "buyAmount": "10000000000000000", "buyToken": "0x4200000000000000000000000000000000000006", "chainId": 8453, "createdAt": "2026-01-01T00:00:00.000Z", "executionMode": "standard", "expiresAt": "2026-01-01T00:01:00.000Z", "feeBps": 10, "inputFormat": "simple", "payloadHash": "0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "quoteId": "00000000-0000-4000-8000-000000000000", "receipt": { "buyAmount": "10000000000000000", "buyToken": "0x4200000000000000000000000000000000000006", "chainId": 8453, "createdAt": "2026-01-01T00:00:00.000Z", "executionMode": "standard", "expiresAt": "2026-01-01T00:01:00.000Z", "feeBps": 10, "feeRecipient": "0x3333333333333333333333333333333333333333", "payloadHash": "0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "quoteId": "00000000-0000-4000-8000-000000000000", "sellAmount": "25000000", "sellToken": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "taker": "0x1111111111111111111111111111111111111111", "usdcNotional": "25000000" }, "receiptSignature": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "sellAmount": "25000000", "sellToken": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "simulation": { "status": "passed" }, "taker": "0x1111111111111111111111111111111111111111", "transaction": { "data": "0x", "to": "0x2222222222222222222222222222222222222222", "value": "0" }, "usdNotional": "25000000" }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "body": { "additionalProperties": false, "properties": { "amount": { "description": "Human-readable sell amount, capped at $500 USDC equivalent", "pattern": "^\\d+(?:\\.\\d+)?$", "type": "string" }, "executionMode": { "default": "standard", "enum": [ "standard", "gasless" ], "type": "string" }, "from": { "description": "Approved Base sell-token symbol", "enum": [ "USDC", "WETH", "EURC", "CBETH", "CBBTC", "VIRTUAL", "AERO" ], "type": "string" }, "intentId": { "maxLength": 128, "minLength": 16, "pattern": "^[a-zA-Z0-9_-]+$", "type": "string" }, "referralCode": { "maxLength": 64, "minLength": 3, "pattern": "^[a-zA-Z0-9_-]+$", "type": "string" }, "sourceAgentId": { "maxLength": 128, "minLength": 1, "type": "string" }, "to": { "description": "Approved Base buy-token symbol", "enum": [ "USDC", "WETH", "EURC", "CBETH", "CBBTC", "VIRTUAL", "AERO" ], "type": "string" }, "wallet": { "description": "Buyer-controlled taker wallet", "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" } }, "required": [ "from", "to", "amount", "wallet" ], "type": "object" }, "bodyType": { "enum": [ "json", "form-data", "text" ], "type": "string" }, "method": { "enum": [ "POST" ], "type": "string" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method", "bodyType", "body" ], "type": "object" }, "output": { "properties": { "example": { "additionalProperties": false, "anyOf": [ { "required": [ "transaction" ] }, { "required": [ "gasless" ] } ], "properties": { "approvalRequired": { "type": "boolean" }, "approvalSpender": { "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "buyAmount": { "pattern": "^\\d+$", "type": "string" }, "buyToken": { "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "chainId": { "const": 8453, "type": "integer" }, "createdAt": { "format": "date-time", "type": "string" }, "executionMode": { "enum": [ "standard", "gasless" ], "type": "string" }, "expiresAt": { "format": "date-time", "type": "string" }, "feeAmount": { "pattern": "^\\d+$", "type": "string" }, "feeBps": { "const": 10, "type": "integer" }, "feeToken": { "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "gasless": { "properties": { "buyerMustSignAndSubmit": { "const": true, "type": "boolean" }, "relayRequiresBuyerZeroXApiKey": { "const": true, "type": "boolean" }, "relaySubmitEndpoint": { "format": "uri", "type": "string" }, "target": { "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "trade": { "type": "object" } }, "required": [ "trade", "target", "relaySubmitEndpoint", "relayRequiresBuyerZeroXApiKey", "buyerMustSignAndSubmit" ], "type": "object" }, "inputFormat": { "enum": [ "simple", "advanced" ], "type": "string" }, "minBuyAmount": { "pattern": "^\\d+$", "type": "string" }, "payloadHash": { "pattern": "^0x[a-fA-F0-9]{64}$", "type": "string" }, "quoteId": { "format": "uuid", "type": "string" }, "receipt": { "additionalProperties": false, "properties": { "attribution": { "additionalProperties": false, "properties": { "intentId": { "maxLength": 128, "minLength": 16, "pattern": "^[a-zA-Z0-9_-]+$", "type": "string" }, "referralCode": { "maxLength": 64, "minLength": 3, "pattern": "^[a-zA-Z0-9_-]+$", "type": "string" }, "sourceAgentId": { "maxLength": 128, "minLength": 1, "type": "string" } }, "type": "object" }, "buyAmount": { "pattern": "^\\d+$", "type": "string" }, "buyToken": { "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "chainId": { "const": 8453, "type": "integer" }, "createdAt": { "format": "date-time", "type": "string" }, "executionMode": { "enum": [ "standard", "gasless" ], "type": "string" }, "expiresAt": { "format": "date-time", "type": "string" }, "feeAmount": { "pattern": "^\\d+$", "type": "string" }, "feeBps": { "const": 10, "type": "integer" }, "feeRecipient": { "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "feeToken": { "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "gaslessTarget": { "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "payloadHash": { "pattern": "^0x[a-fA-F0-9]{64}$", "type": "string" }, "quoteId": { "format": "uuid", "type": "string" }, "sellAmount": { "pattern": "^\\d+$", "type": "string" }, "sellToken": { "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "taker": { "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "transactionTo": { "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "transactionValue": { "pattern": "^\\d+$", "type": "string" }, "usdcNotional": { "pattern": "^\\d+$", "type": "string" } }, "required": [ "quoteId", "chainId", "createdAt", "expiresAt", "sellToken", "buyToken", "sellAmount", "buyAmount", "taker", "executionMode", "usdcNotional", "feeBps", "feeRecipient", "payloadHash" ], "type": "object" }, "receiptSignature": { "pattern": "^[a-fA-F0-9]{64}$", "type": "string" }, "sellAmount": { "pattern": "^\\d+$", "type": "string" }, "sellToken": { "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "simulation": { "additionalProperties": false, "properties": { "reason": { "type": "string" }, "status": { "enum": [ "passed", "skipped", "failed" ], "type": "string" } }, "required": [ "status" ], "type": "object" }, "taker": { "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "transaction": { "additionalProperties": false, "properties": { "data": { "pattern": "^0x[a-fA-F0-9]*$", "type": "string" }, "gas": { "pattern": "^\\d+$", "type": "string" }, "gasPrice": { "pattern": "^\\d+$", "type": "string" }, "to": { "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "value": { "pattern": "^\\d+$", "type": "string" } }, "required": [ "to", "data", "value" ], "type": "object" }, "transactionDataHash": { "pattern": "^0x[a-fA-F0-9]{64}$", "type": "string" }, "usdNotional": { "pattern": "^\\d+$", "type": "string" } }, "required": [ "quoteId", "chainId", "createdAt", "expiresAt", "sellToken", "buyToken", "sellAmount", "buyAmount", "feeBps", "executionMode", "usdNotional", "approvalRequired", "taker", "payloadHash", "simulation", "receipt", "receiptSignature", "inputFormat" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } }, "payment-identifier": { "info": { "required": false }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "id": { "maxLength": 128, "minLength": 16, "pattern": "^[a-zA-Z0-9_-]+$", "type": "string" }, "required": { "type": "boolean" } }, "required": [ "required" ], "type": "object" } } }, "tags": [ "bazaar", "payment-identifier" ], "sourceHost": "api.usesaferoute.com", "lastUpdated": "2026-09-14T19:53:54.853Z", "quality": { "calls30d": 3, "uniquePayers30d": 2, "lastCalledAt": "2026-09-14T19:53:54.643Z" }, "liveness": {}, "verified": false, "featured": false, "provider": { "host": "api.usesaferoute.com", "manifest_name": "api.usesaferoute.com", "source": "cdp-mirror", "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "submitted_at": "2026-09-18T22:00:31.484Z" } }