Gaplessly Appointments engine API
Read an appointments business's services, staff and appointments, and book, move or cancel appointments, with an API key. A key from a table-reservations organization gets `403 wrong_vertical`.
Read an appointments business's services, staff and appointments, and book, move or cancel appointments, with an API key. A key from a table-reservations organization gets `403 wrong_vertical`.
Every API here is available over the APIs.io API and to AI agents over MCP.