Send an SMS text message from a Quo phone number to a recipient. Use E.164 format for phone numbers (e.g. +18325551234). The 'from' field can be a phone number ID (PN...) or E.164 number.

List messages for a specific phone number and conversation participant. Returns messages in chronological order with pagination.

Get a specific message by its ID.

List conversations, optionally filtered by phone number(s), user, or date range. Ordered by most recent activity.

Create a new contact in the Quo workspace.

List contacts in the Quo workspace with optional filtering.

Get a specific contact by ID.

Update an existing contact by ID.

Delete a contact by ID. THIS IS DESTRUCTIVE — use with caution.

List calls for a specific phone number and participant.

Get details of a specific call by ID, including duration, status, direction.

Get recordings for a specific call.

Get an AI-generated summary of a call (Business/Scale plans only).

Get the transcription of a call (Business/Scale plans only).

Get the voicemail for a call.

List all phone numbers in the Quo workspace, with their users and settings.

Get details of a specific phone number by ID, including users, restrictions, and forwarding settings.

List all users in the Quo workspace.

Get a specific user by ID, including their email, name, role, and picture.

List all custom contact fields defined in the workspace (name, key, type). Useful for understanding what custom data is tracked on contacts.

List all configured webhooks.