Common Parameters:

• workspace_id (UUID, required): Workspace identifier
• method (string, required): Funding method - either "invoice" or "balance"
• amount (integer, required): Funding amount in cents
• amount_denomination (string, optional): Currency denomination (defaults to workspace primary denomination)
• description (string, required): Description of the funding

Invoice-Specific Parameters:

When method is "invoice", the following fields are required:

• recipient_email (string, required): Email for receiving invoice
• bill_to (string, required): Billing recipient
• company_name (string, required): Company name for billing
• company_address_one (string, required): Company billing address

Optional Parameters:

• due_date (timestamp, optional): Due date for the funding
• po_number (string, optional): Purchase order number
• additional_notes (string, optional): Additional notes for the funding