{"release":"v1","network":"eip155:8453","chargeable":true,"request":{"product":"flow-monitor","method":"POST","path":"/api/v1/quant/flow-monitor","content_type":"application/json","example_input":{"exchange_inflow":120,"exchange_outflow":80,"bridge_inflow":30,"bridge_outflow":20,"stablecoin_inflow":50,"stablecoin_outflow":40},"input_schema":{"type":"object","properties":{"exchange_inflow":{"type":"number"},"exchange_outflow":{"type":"number"},"bridge_inflow":{"type":"number"},"bridge_outflow":{"type":"number"},"stablecoin_inflow":{"type":"number"},"stablecoin_outflow":{"type":"number"}}},"free_quote":{"method":"POST","path":"/api/v1/quote","body":{"product_id":"flow-monitor","input":{"exchange_inflow":120,"exchange_outflow":80,"bridge_inflow":30,"bridge_outflow":20,"stablecoin_inflow":50,"stablecoin_outflow":40}}},"docs":"/docs.md","openapi":"/openapi.json","output":{"example":{"exchange_net":40,"bridge_net":10,"stablecoin_net":10,"total_net":60,"intensity":0.1765,"state":"balanced"}},"success_semantics":{"http":"2xx","settlement_header":"PAYMENT-RESPONSE","note":"A successful paid call returns the product JSON and x402 settlement evidence."},"recommended_next":[{"step":"review_request","method":"GET","path":"/api/v1/request-guide?product_id=flow-monitor","purpose":"Confirm method, schema, example input, output example and payment flow before spending."},{"step":"validate_free","method":"POST","path":"/api/v1/quote","body_example":{"product_id":"flow-monitor","input":{"exchange_inflow":120,"exchange_outflow":80,"bridge_inflow":30,"bridge_outflow":20,"stablecoin_inflow":50,"stablecoin_outflow":40}},"purpose":"Validate product selection and input structure without initiating payment."},{"step":"request_unsigned","method":"POST","path":"/api/v1/quant/flow-monitor","content_type":"application/json","body_example":{"exchange_inflow":120,"exchange_outflow":80,"bridge_inflow":30,"bridge_outflow":20,"stablecoin_inflow":50,"stablecoin_outflow":40},"expect":"HTTP 402 with PAYMENT-REQUIRED"},{"step":"authorize_exact_requirement","when":"HTTP 402","instruction":"Use an x402-compatible buyer to authorize exactly the returned PAYMENT-REQUIRED requirement. Never send funds manually from documentation and never disclose a seed phrase or private key."},{"step":"retry_paid_request","method":"POST","path":"/api/v1/quant/flow-monitor","content_type":"application/json","body_example":{"exchange_inflow":120,"exchange_outflow":80,"bridge_inflow":30,"bridge_outflow":20,"stablecoin_inflow":50,"stablecoin_outflow":40},"required_header":"PAYMENT-SIGNATURE"},{"step":"accept_delivery","success_condition":"HTTP 2xx and PAYMENT-RESPONSE present","instruction":"Treat the purchase as complete only when the product response and settlement evidence are both returned."}]},"payment_flow":["Send the documented unsigned request.","Receive HTTP 402 with PAYMENT-REQUIRED.","Authorize the exact USDC requirement with an x402-compatible buyer.","Retry the same method/path/body with PAYMENT-SIGNATURE.","Treat the purchase as complete only after HTTP 2xx and PAYMENT-RESPONSE settlement proof."]}