# Two-Step Verification | Developer Documentation

<div id="bkmrk-two-step-verificatio">## Two-Step Verification

<div><span>Updated: Nov 5, 2025</span></div><div>Set up two-step verification for your phone number to add an extra layer of security to your business accounts. To set it up, make a `POST` call to `/PHONE_NUMBER_ID` and attach the parameters below. There is no endpoint to disable two-step verification.</div><div><table><thead><tr><th><span>Endpoint </span></th><th><span>Authentication </span></th></tr></thead><tbody><tr><td><div><div>`/PHONE_NUMBER_ID`</div><div><div>(See [Get Phone Number ID](/books/meta-whatsapp/page/business-phone-numbers-developer-documentation))</div></div></div></td><td><div><div><div>Solution Partners must authenticate themselves with an access token with the `whatsapp_business_management` and `whatsapp_business_messaging` permissions.</div></div></div></td></tr></tbody></table>

</div><div id="bkmrk-parameters"><div id="bkmrk-parameters-1"><div>#### Parameters

</div></div></div><div><table><thead><tr><th><span>Name </span></th><th><span>Description </span></th></tr></thead><tbody><tr><td><div><div>`pin`</div></div></td><td><div><div>**Required.**</div><div>A 6-digit PIN you wish to use for two-step verification.</div></div></td></tr></tbody></table>

</div><div id="bkmrk-reset-your-pin"><div id="bkmrk-reset-your-pin-1"><div>### Reset your PIN

</div></div></div><div>If you forget or misplace your PIN, you can update it by following these steps in WhatsApp Manager:</div>
<span>Go to [settings<span>?</span>](https://business.facebook.com/settings/) and log into your Facebook Business. Click the business you use to manage your WABA (WhatsApp Business Account).</span><span>In the settings screen, click **WhatsApp Accounts**. Find the WABA you want to update. Click the WABA. A panel with its info displays.</span><span>In the WABA info panel, click **Settings**.</span><span>In the new tab, click **WhatsApp Manager**.</span><span>In WhatsApp Manager, find your phone number and click **Settings**.</span><span>Click **Two-step verification**.</span><span>In the Two-step verification tab, click **Change PIN**.</span><span>Enter a new PIN and confirm it to complete the update.</span></div>