Developer documentation

Use Fellix from a ChatGPT conversation.

Use Fellix from a Claude conversation.

Connect Fellix to Claude Code in your terminal.

Connect Fellix to Cursor in your editor.

Automate work between Fellix and other apps.

Add your website chat to the pages you choose.

Read and write clients, conversations, messages, bookings and reporting from your own systems. Authentication and scopes, cursor pagination, filtering, safe retries, and every endpoint and schema.

Connect Claude, ChatGPT, Cursor or another AI assistant to Fellix. Setting it up in each assistant, who it acts as, the permissions it is given, and every tool, resource and prompt it is offered.

Connect Fellix to a few thousand other applications without writing code. Setting up the connection, the permissions each Zap needs, and every trigger, action and search the integration offers.

The embed snippet: every data-* attribute, the window.fellixWidget methods, signed visitor identity, and the complete footprint it leaves on your page.