{"ucp":{"version":"2026-08-25","services":{"dev.ucp.shopping":[{"version":"2026-08-25","spec":"https://ucp.dev/2026-08-25/specification/overview/","schema":"https://ucp.dev/2026-08-25/services/shopping/rest.openapi.json","transport":"rest","endpoint":"https://api.quanticdata.io/v1/agent/ucp"}]},"capabilities":{"dev.ucp.shopping.checkout":[{"version":"2026-08-25","spec":"https://ucp.dev/2026-08-25/specification/shopping/checkout/","schema":"https://ucp.dev/2026-08-25/schemas/shopping/checkout.json"}]},"payment_handlers":{"io.quanticdata.balance":[{"id":"balance","version":"2026-10-08","spec":"https://quanticdata.io/docs/#agent-checkout","schema":"https://api.quanticdata.io/v1/agent/ucp/handlers/balance.json","config":{"description":"Prepaid balance of the API-key holder (0% VAT). Top up by card, PayPal or crypto at https://app.quanticdata.io/balance; the agent then completes the checkout with instrument { handler_id: \"balance\" }."},"available_instruments":[{"type":"account_balance","currency":"USD"}]}]}},"keys":[],"protocol_version":"2026-08-25","services":{"dev.ucp.shopping":[{"version":"2026-08-25","spec":"https://ucp.dev/2026-08-25/specification/overview/","schema":"https://ucp.dev/2026-08-25/services/shopping/rest.openapi.json","transport":"rest","endpoint":"https://api.quanticdata.io/v1/agent/ucp"}]},"capabilities":{"dev.ucp.shopping.checkout":[{"version":"2026-08-25","spec":"https://ucp.dev/2026-08-25/specification/shopping/checkout/","schema":"https://ucp.dev/2026-08-25/schemas/shopping/checkout.json"}]},"endpoints":{"checkout_sessions":"https://api.quanticdata.io/v1/agent/ucp/checkout-sessions","openapi":"https://api.quanticdata.io/openapi.json","catalog":"https://api.quanticdata.io/v1/public/plans","docs":"https://quanticdata.io/docs/"}}