## How to register new text sender ID to Bulgaria

To register new text sender ID for Bulgaria, we need you to provide us with the following:

If you wish to send SMS without issues, there are 2 options:

### 1. Registering text sender ID

- Text sender ID which you want to register (max 11 characters)
- Company website URL
- Company name (company that will own/use the sender)
- Who will receive the SMS (e.g. customers of the company)
- Sample content (provide us with a message example you want to send to your customers, with URL links (not short URL))
- General description of the service/use case (e.g. 2-factor authentication)
- Estimated monthly volume (number of messages)

> [!NOTE]
> For A1 operator, there is a [document](/download/helpdesk/new_text_sender_id/A1-Declaration-Letter.docx) that you should fill, sign/stamp (the company using the text sender ID)

#### Fees

- A1: activation fee - 20 EUR, monthly fee - 20 EUR
- Yettel (Telenor): activation fee - 0 EUR, monthly fee - 55 EUR
- Vivacom: activation fee - 50 EUR, monthly fee - 20 EUR

### 2. Whitelisting the Sender ID

(in which case it will be converted to a shared sender "1220" for A1 and Yettel (Telenor) or "17661" for Vivacom, free of charge)

- SenderID
- Company name (owner of SID)
- Website (of Company, owner of SID)
- Content examples
- Request ("Registration" or "Whitelist for rewrite to shared sender")

> [!WARNING]
> All unregistered and non-whitelisted Sender IDs will be blocked on national accounts.

## How long does it take to register a new text sender?

Approval takes 14 business days.