Help Centre

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How to Request a Higher TNZ Credit Limit

Find the TNZ credit limit extension form, check who must complete it, and learn what details you need to request a higher account limit.

Standard vs Verified WhatsApp Business Accounts

Configuring a Verified WhatsApp Business account so that your business name appears first on messages.

Platform Throughput and Message Processing Speed

Learn TNZs message throughput limits for SMS, Email, Voice and Fax with per-hour figures, broadcast planning examples, and answers to common capacity questions.

Prepaying TNZ Invoices

Learn how an upfront TNZ invoice can create credit that pays down monthly plan and transaction charges for approximately six or twelve months.

Data Sovereignty for New Zealand & Australian Messaging

TNZ keeps your SMS, Email, Voice and Fax data in New Zealand and Australia. Enterprise plans support single-jurisdiction processing. A guide for compliance teams.

Understanding TNZ Accounts, SubAccounts, Departments and Users

Learn how to organise your TNZ account using SubAccounts and Departments for better data segregation, multi-tenant billing, and user management.

How TNZ Pricing Works (Billing and Costs)

Learn how TNZs usage-based pricing works. Explore billing units, cost factors, postpaid invoicing, and real-world examples for SMS, Email, and Voice.

TNZ Dashboard MFA Management Guide

Learn how to secure your TNZ account using Multi-Factor Authentication (MFA), enforce site-wide security, and manage user settings.

Bulk Import of User Email Addresses

Import a list of users authorised for sending messages

Deleting My Account

How to cancel your TNZ service subscription

Paying TNZ Group

Bank Account details, Direct Debit and Credit Card payment options

Company Details

Official TNZ Group Limited company details, including GST/IRD numbers, postal address, and banking instructions for New Zealand and Australian clients.

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Security, privacy and service information

Visit the TNZ Trust Centre