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A2P registration (US)

How to complete A2P registration to text US numbers

In Settings › Phone System › Trust Center, on the A2P Messaging (SMS) card, first register your brand (your legal business details) and then your campaign (what you send and how you get consent). Without approval, texts from US numbers aren't delivered.

Updated on

Before you start

  • You only need this if you send texts from United States local (10-digit) numbers. It doesn't apply to other countries.
  • Have your legal business details exactly as they appear on official records: legal name, tax ID (EIN or equivalent), address and contact details.
  • Without a tax ID, you register as a Sole Proprietor: only 1 number per campaign and a public email address (Gmail, Outlook…) is required.
  • You need a public business website with a Privacy Policy and Terms & Conditions visible in the footer, using the same contact details as your registration.
Where to find it

Settings › Phone System › Trust Center › A2P Messaging (SMS) › Brand & Campaigns

Step by step

1. Register your brand

  1. In the left menu, open Settings and click Phone System.
  2. Open Trust Center and, on the A2P Messaging (SMS) card, click Brand & Campaigns.
  3. Choose the brand type: Standard Brand (business with a tax ID) or Sole Proprietor (no tax ID, 1 employee).
  4. Fill in your legal details exactly as on your official records and confirm the code sent by email.
  5. Submit and wait for brand approval.

2. Register your campaign

  1. Once the brand is approved, continue to Campaign Details (or, on the Campaigns tab, click Create Campaign and pick the brand).
  2. Choose your messaging volume: Low Volume or High Volume (Standard Brand only).
  3. Choose how you collect consent:
    • Chat Widget Setup (recommended): the system generates a consent widget; copy the code and install it on your website. It must be the only SMS consent form on that page.
    • Manual Setup: if you collect consent another way (website form, paper, QR code, verbal).
  4. Choose the message type: Marketing/Promotional, Informational/Non-Marketing or Mixed.
  5. Write the campaign description and sample messages that match your business.
  6. Submit and wait for carrier review.
  7. Once the campaign is approved, make sure your US numbers are linked to it.

Tips

  • On your consent form, use separate checkboxes for marketing and non-marketing messages, never pre-checked and always optional (the form must be submittable without checking them).
  • The checkbox wording must mention the same message types you described in the campaign.
  • Your privacy policy must never mention selling or sharing contacts with third parties for marketing.

Common problems

  • My brand was rejected → The details don't match your official records. Correct the legal name, tax ID and address exactly as on your documents and resubmit.
  • My campaign was rejected → Usually the privacy policy or terms are missing from the footer, the consent checkboxes are pre-checked or required, or the description doesn't match the business. Fix the website and description and resubmit.
  • Error 30034 on texts after approval → The number isn't linked to the approved campaign or activation hasn't finished. Link the number to the campaign and allow up to 24 hours.
  • I have several numbers and some get errors → With Sole Proprietor registration, only 1 number can be linked to the campaign.

Frequently asked questions

Do I need this to text numbers outside the US?

No. A2P registration is only required for texts sent from United States local numbers.

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