{"endpoint":"POST /api/v1/feedback","price":"free","description":"Tell us what data or tool you wish existed. Structured capability request: use case, missing endpoint, needs, optional contact. No payment, no account. Every submission is read; high-demand requests get built.","body":{"useCase":"string, 3–2000 chars (required)","needs":"string, optional","missingEndpoint":"string, optional","contact":"string, optional","agent":"string, optional","rating":"integer 1–5, optional"},"example":{"useCase":"Need historical gas prices per chain","missingEndpoint":"market/gas-history"},"documents":{"openapi":"https://x402.deepsense.stream/openapi.json","catalog":"https://x402.deepsense.stream/api/v1/catalog"},"note":"GET and HEAD return this description; POST a JSON body to file a request. No payment, no account."}