API Reference (x402)
Developer x402 API
Payment proof token obtained from x402 payment challenge flow. Required after completing payment.
Required. User query content.
Successful response
Bad Request - Invalid parameters
Unauthorized - Invalid payment response token
Payment Required
Payment proof token obtained from x402 payment challenge flow. Required after completing payment.
Required. User query content.
Successful response
Bad Request - Invalid parameters
Unauthorized - Invalid payment response token
Payment Required
Payment proof token obtained from x402 payment challenge flow. Required after completing payment.
Required. User query content.
Successful response
Bad Request - Invalid parameters
Unauthorized - Invalid payment response token
Payment Required
Payment proof token obtained from x402 payment challenge flow. Required after completing payment.
Required. User query content.
Successful response
Bad Request - Invalid parameters
Unauthorized - Invalid payment response token
Payment Required
Payment proof token obtained from x402 payment challenge flow. Required after completing payment.
Required. User query content.
Successful response
Bad Request - Invalid parameters
Unauthorized - Invalid payment response token
Payment Required
Payment proof token obtained from x402 payment challenge flow. Required after completing payment.
Required. User query content.
Successful response
Bad Request - Invalid parameters
Unauthorized - Invalid payment response token
Payment Required
Payment proof token obtained from x402 payment challenge flow. Required after completing payment.
Required. Trading symbol (e.g., 'BTC', 'ETH', 'SOL').
Optional. Trading style: 'scalping', 'day-trading', or 'swing-trading'. Default: 'scalping'.
scalpingPossible values: Optional. Margin in USD. Default: 1000.
1000Optional. Leverage multiplier (max: 40). Default: 10.
10Optional. Strategy type. Default: 'max-profit'. More strategies coming soon.
max-profitSuccessful response
Bad Request - Invalid parameters
Unauthorized - Invalid payment response token
Payment Required
Payment proof token obtained from x402 payment challenge flow. Required after completing payment.
Required. Natural language swap intent (e.g., 'swap 0.1 ETH to USDC').
Required. User wallet address (0x...).
Optional. Chain name (e.g., 'base', 'ethereum', 'bsc', 'arbitrum', 'optimism').
Successful response
Bad Request - Invalid parameters
Unauthorized - Invalid payment response token
Payment Required
Payment proof token obtained from x402 payment challenge flow. Required after completing payment.
Required. Prediction market page link (e.g., Polymarket event URL).
Required. Chat mode: 'fast' or 'expert'.
Optional. Only return prediction probabilities without reasoning. Default: false.
falseOptional. Custom instructions to guide the analysis. Use this to specify focus areas, risk preferences, or analysis style.
Successful response
Bad Request - Invalid parameters
Unauthorized - Invalid payment response token
Payment Required
Endpoints
Chat (Base Chain)
Request
Example Request
Response
Chat Expert (Base Chain)
Request
Example Request
Response
Chat (Solana Chain)
Request
Example Request
Response
Chat Expert (Solana Chain)
Request
Example Request
Response
Chat (Polygon Chain)
Request
Example Request
Response
Chat Expert (Polygon Chain)
Request
Example Request
Response
Trading Endpoints
Intent to Swap Transaction
Request
Example Request
Response
Perpetual Trading Suggestion
Request
Example Request
Response
Prediction Market Analysis (Base Chain)
Request
Example Request
Response
Prediction Market Analysis (Polygon Chain)
Request
Example Request
Response
Error Responses
402 Payment Required
401 Unauthorized
400 Bad Request
Rate Limits
Notes
Last updated
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