Guide: how to complete RCS registration

Estimated 8 minute read

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Updated May 19, 2026, 12:00 AM EST

Table of contents

• How to get registered for RCS
• 1/3 Set up your RCS agent
• 2/3 Company information
• 3/3 Text sign-up form
• Review and submit your registration
• After you submit

How to get registered for RCS

With RCS you can send rich, interactive messages to your subscribers with a branded and verified experience.

What to expect

To get set up with RCS, you will first submit a registration through your Klaviyo account. Your registration will be reviewed by Google and carriers and can take over 30 days. This detailed guide outlines how to complete your registration so that you have the best chances of being approved the first time around.

Before you begin

Prepare your business registration details and review your privacy policy before you begin:

1. Have your business registration or tax ID number ready. For a US business, this is your 9-digit employer identification number (EIN). For businesses registered elsewhere, use the registration ID requested for your business address country.
2. Pre-check your brand’s privacy policy against the requirements in Step 1C of this guide. This is worth checking in advance in the event that you need to make changes to your privacy policy, which may require support from your web team and/or legal team.

1/3 Set up your RCS agent

First, you’ll submit all the information that your subscribers will see if they click on your RCS Sender for more information. This will be reviewed by carriers to ensure that recipients of your RCS messages have the resources they need to obtain support or consumer info from your brand.

Start your registration

SMS must be set up in your account, and you need permission to edit account settings to register an RCS agent.

1. Navigate to Settings > Text message > Sender information.
2. In Set up RCS, click Get started. If you already have an RCS agent and want to register in another country, click Add country.
3. Select an available Country, then click Next.
4. Complete the branding, contact, and legal information below, clicking Next after each screen. On the agent review screen, check the details and click Next to continue to company information.

Step A - Branding your RCS sender

Screen 1 - Branding

➤ Brand name: your company’s legal name

Make sure this matches your company’s legal registration exactly. For example, include any designations included in the company’s legal entity name, like Inc, LLC, etc.

➤ Agent display name: name that is displayed to users when they interact with your RCS sender. Typically, this is the brand name.

Agent description (US) or Description (other countries): the description displayed on your RCS agent’s contact card.

For a US RCS agent, select at least 1 marketing message type and 1 transactional message type, such as Promotions, Cart reminders, and Order updates. If you customize the description, keep the selected message-type wording. For other countries, enter a description of your brand, such as your tagline or mission statement. Descriptions are limited to 100 characters.

➤ Brand link color: color used for links on your RCS agent’s contact card. Choose a brand color with sufficient contrast against white; the form requires a contrast ratio of at least 4.5:1.

➤ Display banner: displays when a subscriber views your RCS sender’s information. Upload a JPG or PNG exactly 1440 × 448 pixels and no larger than 200 KB.

➤ Logo: the logo appears when your agent sends a message to a user. Upload a JPG or PNG exactly 224 × 224 pixels and no larger than 50 KB.

Step B - Contact info for your subscribers

NOTE: A website and support email address are required. A support phone number is optional.

➤ Support phone number: phone number that your subscribers can call if they require support. Optional. If you provide a phone number, its label is required. ➤ Support phone number label: the text used to label the support phone number. For example, Customer Care. If you’re not providing a support phone number, leave this blank.

➤ Support email address: email that your subscribers can write to if they require support. The email address and its label are both required. ➤ Support email address label: the text used to label the support email. For example, Customer Care email.

➤ Website URL: Your primary website. This field is required. ➤ Website label: the text used to label the primary website. For example, ‘Visit us online’

Step C - Privacy Policy and Terms of Service

NOTE: you must have unique URLs for your privacy policy and terms of service

➤ Privacy Policy URL: the link to your brand’s privacy policy. The webpage must be live and it must mention your company name (for example, if you provide the privacy policy of your parent company, it must mention your brand’s company name on the site).

Your privacy policy must state that text message consent will not be shared with any third parties for purposes unrelated to delivering the messaging service. Visit our article on privacy policy best practices for more information.

➤ Terms of Service URL: the link to your brand’s Terms of Service. The webpage must be live and it must mention your company name.

Please review your Terms of Service for the following required language.

□ Message frequency disclosure (e.g., “Message frequency varies”) □ Opt-out information (e.g., “Text STOP to opt out”) □ Customer care information (e.g., “Text HELP for help”) □ “Message and data rates may apply” disclaimer

2/3 Company information

Next, you’ll provide information about your company. This will be reviewed to ensure your company is a legitimate registered business. Complete the Company address, Company details, and Company point-of-contact panels, then click Next. Use the field guidance below to prepare each panel.

Company point-of-contact

NOTE: in this step, you’re providing contact information for the person that Google or Infobip (RCS partner) will contact via email to confirm the registration request (this is a security requirement).

Enter the contact’s First name, Last name, Job title, Email address, and Phone number. Their phone number must differ from both the company phone number and the support phone number on the RCS agent.

Use an individual work email address that includes the company contact’s name and matches the company website’s domain. Shared inboxes (such as help@ or info@) and free email providers are not accepted. This must be different from the support email address on your RCS agent.

For a company contact named Ayesha Goodman at Terraza: ✔ ayesha@terraza.com ✔ a.goodman@terraza.com ✘ annabelle@terraza.com ✘ ayesha@gmail.com ✘ info@terraza.com

Company address

Enter your company’s registered address and Company phone number. Select the country where your business is registered, even if you are registering an RCS agent for a different country. P.O. boxes are not accepted.

Make sure the address you provide matches your company’s legal registration exactly. Do not provide a trading or operation address that differs from your company’s legally registered address.

Company details

➤ Business EIN: for a US business, the 9-digit federal tax ID number assigned by the IRS to your brand or your brand’s parent company. For a business registered outside the US, enter the registration ID requested for your business address country, such as a Companies House number or equivalent for the UK.

Legal company name

Enter the company name exactly as it appears on your official business registration.

If the registration number belongs to a parent company, enter that parent company’s legal name.

For a US business using a parent company’s EIN, the legal company name must match the name on that EIN filing exactly.

The parent company website must reference your brand name. This is required so that reviewers can verify that there is a link between the parent brand and the brand you are obtaining an RCS sender for.

Enter your Website, select your Legal entity type, and select your Industry. The website must publicly connect your brand name to your legal company name, such as on an About page, in the footer, or in the terms of service. If you select Public, also enter your Stock exchange abbreviation and Trading symbol.

3/3 Text sign-up form

Lastly, you’ll provide an example of your sign-up form where you collect text messaging consent. This will be reviewed to ensure that you are collecting consent compliantly.

➤ Screenshot of your text message sign-up form: if you see an upload field, upload a clear screenshot of your sign-up form with readable disclosure text. Confirm each sign-up form requirement and select your estimated monthly RCS sends.

Your program description must clearly state the types of informational and marketing messages that the subscriber will receive. Include examples of each, such as order updates, cart reminders, and promotions.

Sample language: By submitting this form, you consent to receive informational (e.g., order updates) and/or marketing texts (e.g., cart reminders, promotions) from [BRAND NAME] including texts sent by autodialer. Consent is not a condition of purchase. Msg & data rates may apply. Msg frequency varies. Text HELP for help. Unsubscribe at any time by replying STOP or clicking the unsubscribe link (where available). Privacy Policy & Terms

Visit our article on text messaging disclosure language for more information.

Here is an example screenshot that meets the requirements:

If you see a sign-up form preview

1. Review the displayed form. To choose another available form, click Select different form. If no active form is available, click Create form to generate a draft, then review it.
2. Click Capture screenshot and wait for confirmation that the screenshot has been added to your registration.
3. If Klaviyo adds disclosure language or creates a draft form, click Open editor in the confirmation and publish the form in the forms editor before using it to collect consent.

Review and submit your registration

1. Click Next after completing the sign-up form step. Review your registration details and use Edit to correct any information.
2. Click Submit. Wait for confirmation that your registration was submitted. If an error appears, address the issue described in the message and try again.

After you submit

Monitor the company contact’s inbox for verification requests. Google sends an authorization email from rbm-support@google.com that must be approved before carrier review can proceed. US registrations also require a verification email from Aegis Mobile. For France, a carrier contacts the support email address to verify French-language support; respond in French. Follow the instructions in each email promptly to avoid delaying review.

Check your agent’s status under Settings > Text message > Sender information. If it shows Action required, open the agent to review the feedback and update the registration.

Approval does not activate the agent. When its status is Ready to activate, you need an active SMS sending ID for the same country. Open the agent, click Activate, then click Activate again in the confirmation dialog when you are ready to start sending.

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