Create invoice

Creates a new invoice for the selected business

Create product

Creates a product for the selected business

Create customer

Creates a customer for the selected business

Fetch product

Fetches the details of an existing product

Fetch customer

Fetches the details of an existing customer

Add contact to label

Adds an existing contact to the selected label

Create label

Creates a new label

Create contact

Creates a new contact

Update contact

Updates the details of an existing contact

Fetch contact

Fetches a contact by name, email address, or search query. Optionally, creates one if not found.