Two-Step Verification | Developer Documentation

Enable or change two-step verification for a ChatArchitect WhatsApp number

Two-step verification protects your WhatsApp Business Platform phone number with a six-digit PIN. It is separate from the one-time SMS or voice code used to verify ownership of the number. A ChatArchitect client sets and changes the PIN in WhatsApp Manager; you do not need to call Meta's API or use a Meta access token.

Before you start

• Open the Meta business portfolio that owns the number connected to ChatArchitect.
• Choose a PIN that your team can keep securely. Do not send it or a one-time verification code to anyone, including support.

Enable two-step verification

1. Open WhatsApp Manager for the correct business portfolio.
2. Go to Account tools → Phone numbers, select the connected number, then open Settings → Two-step verification. If the menu names differ, look for the two-step verification setting on that number's page.
3. Choose the option to enable two-step verification or set a PIN. Enter a six-digit PIN, confirm it and save.
4. Return to the same setting and check that two-step verification is enabled for the intended number.

Change or recover a PIN

Open the same Two-step verification setting and select Change PIN. Follow the prompts in WhatsApp Manager and save the new PIN securely. If you cannot access the setting or complete the recovery prompts, contact ChatArchitect support with the connected number and a screenshot of the error. Do not send your PIN or a one-time code.

If you are preparing an Official Business Account application, return to that number's profile in WhatsApp Manager after saving the PIN and check whether the prerequisite has cleared.

For Meta's technical explanation of registration and two-step verification, see the WhatsApp Business Platform registration reference. The API steps there are for developers managing Cloud API directly.