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An authorized seller access token; OAuth is the documented route for a third-party application. Request the endpoint's appointment or order scopes and map the correct location, bookable service and team member. Buyer-level appointment operations are available to all sellers, with control limited to application-created bookings. Seller-level writes need Appointments Plus or Premium and APPOINTMENTS_ALL_WRITE as well as APPOINTMENTS_WRITE. Check support_seller_level_writes first. Orders retrieval requires ORDERS_READ; payment processing and non-Square-payment order fees are separate.

Developer account, sandbox development, live approval and site-specific activation by the business owner are required. Use a production API key and the endpoint's required user/staff authentication and permissions. Live approval and owner activation are explicit prerequisites. API usage and booking fees may apply; confirm the developer agreement and account entitlements. The JavaScript API reference did not expose all current path details in the text browser, so workflows below use official endpoint names rather than guessed URLs.

Assigned and enabled Developer and Customer keys with the method's API permission; the practice needs a compatible Open Dental version and a working eConnector for the remote API. Read All is listed as free with a slower throttle. Appointment writes require the Appointments permission in a paid developer tier; fees are per practice location and paid by the developer. WebSched-specific slot endpoints additionally require a WebSched subscription and setup. Verify current fees before quoting.