Help Centre

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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.

Setting the Sender ID on SMS Messages

Learn how Sender IDs / Originators work in NZ and Australia. Understand capability, compliance, costs, and whether you need a dedicated number for your SMS.

TNZ API Errors

List of API rejection codes and what these mean

Automate Alerts for n8n Workflow Errors

Learn how to detect silent n8n workflow failures. Automatically trigger SMS, Voice, or Email error alerts using TNZs pre-built n8n workflow template.

Lost Your MFA Device?

Need to recover your Dashboard Login when youve lost your MFA Login Device and Backup Codes? This guide can help!

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.

Guidelines for Creating and Approving WhatsApp Message Templates

Master the art of WhatsApp Message Templates. Learn how to write, format, and submit templates that pass Metas reviews.

Setting Up Your Domains DNS For TNZ Email

Improve email deliverability with TNZ Email DNS setup. Learn how to configure SPF, DKIM, DMARC, and subdomains for secure sending and proper bounce handling.

How to Authorise TNZ to Manage Your WhatsApp Business Account (WABA)

Learn how to create a WhatsApp Business Account (WABA), verify your phone number, and authorise TNZ as your messaging provider via Meta Business Suite.

Unsubscribe Option for SMS Messages

Adding and managing opt-out/unsubscribe requests

Fixing JSON Errors in n8n HTTP Requests

Learn how to resolve invalid JSON errors in n8n HTTP Request nodes when sending messages via TNZ.