A Sender ID is an alphanumeric name of up to 11 characters that replaces the phone number shown to an SMS recipient. Use this process to register a Sender ID for KSA.
Registration requirements
- Start the request from your account by following the Sender ID registration steps. For assistance, contact [email protected].
- Complete the delegation letter for your sector: government, private company, or charity. Print it on company letterhead and have it signed and stamped. A private company must also obtain Chamber of Commerce certification.
- Enter the authorized person's three-part name and job title.
- For a charity or private-sector organization, provide a copy of the valid commercial registration and, when applicable, the charity license.
- Complete the proof-of-contract form for your sector and have it signed and stamped. Contact your account manager for assistance.
- Pay the annual registration fee of 299 SAR, including tax.
- Provide an account email that uses the business domain.
- Provide the requested Sender ID.
 | Required relationship to the organization
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Sender ID rules
- A transactional Sender ID can contain up to 11 characters. An advertising Sender ID can contain up to 8 characters and must end with -AD.
- Sender IDs cannot consist of numbers or Arabic characters.
- Do not place spaces or special characters at the beginning or end.
- Within the Sender ID, the allowed special characters are hyphen (-), underscore (_), period (.), comma (,), ampersand (&), and space.
- For an abbreviated Sender ID, provide the meaning of the initials to help avoid rejection.
- Do not use a service Sender ID for promotional messages.
- Do not use a service Sender ID to send the same content to more than 50 recipients.
- A Sender ID is valid for 1 year from payment and can be renewed for up to 5 years.
- The delegation letter must contain the authorized person's business-domain email address. This is mandatory for government entities.
- Provide a message sample and company website to help expedite activation.
- Pre-register URLs included in message content. Each URL must relate to the brand or its business activity. Public shortened URLs, such as Bitly and TinyURL, are not allowed.
- Send promotional and awareness messages only from 9:00 AM to 9:45 PM KSA time. During Ramadan, the permitted period is 12:00 PM to 01:00 AM KSA time.
Two-letter Sender IDs
- Only government entities can apply.
- Provide proof of the entity's domain registration with the Digital Government Authority.
- Confirm that no other entity uses the requested letters.
- Show a relationship between the letters and the government entity's activities.
- Submit the documents required by the CST Sender Name Governance Guide.
Three-letter Sender IDs
- Government and private entities can apply.
- A private entity must provide a trademark-registration certificate from the Saudi Authority for Intellectual Property.
- Provide a Saudi domain-registration certificate obtained through a registration agent authorized by the Communications, Space, and Technology Commission.
- Confirm that no other entity uses the requested letters.
- Show a relationship between the letters and the requesting entity's activities.
- Submit the official documents required by the CST Sender Name Governance Guide.
- The company's capital in its commercial registration must be at least 100,000 Saudi Riyals.