How to Send Bulk WhatsApp Messages Without Saving Contacts (2026 Guide)

Start with a clean list. Each phone number should include the country calling code and contain digits only. Do not include a leading plus sign, spaces, parentheses, or hyphens in the final import file. MSG.AI normalizes common formatting, but a clean source file makes errors easier to spot.

The numbers above are reserved-style examples for documentation. Replace them with your permitted recipient list.

Option A: paste one number per line

For a short list, paste numbers directly into the Recipients field. Keep one number on each line. The interface shows the number of valid, unique recipients before you continue.

12025550123
12025550124
442079460123

Option B: import an Excel or CSV file

For a larger list, create a file with a header row. MSG.AI recognizes common phone headers such as phone, mobile, number, tel, or whatsapp. It also recognizes name headers such as name, contact, or customer.

phone,name
12025550123,Avery
12025550124,Jordan
442079460123,Sam

1. 1
   Install MSG.AI from the Chrome Web Store.
2. 2
   Open WhatsApp Web and finish signing in.
3. 3
   Open the MSG.AI side panel and choose Mass Send.
4. 4
   Enter a clear internal campaign name, such as August order status update.
5. 5
   Paste the numbers or select Import from file and choose an XLSX, XLS, or CSV file.

After import, check the valid-recipient count shown beside the import button. Duplicate numbers are consolidated, so the count may be lower than the number of spreadsheet rows. If the count is unexpectedly low, return to the file and check country codes, column headers, and number length.

A good operational message identifies the sender, explains why the recipient is receiving it, gives one clear next action, and offers a simple way to stop future messages. Avoid vague greetings, misleading urgency, repeated promotional copy, or shortened links that hide the destination.

Personalize with {{name}}

If the imported file contains recognized phone and name columns, insert {{name}} in the message. MSG.AI replaces it for each named recipient when the message is prepared. If your list does not contain names, write a message that reads naturally without a personal greeting.

Add media only when it helps

You can attach a supported image or video from your computer, or choose media from Google Drive. Keep the file relevant, verify that you have the right to send it, and use a concise caption. The extension accepts media up to 16 MB.

Choose a conservative interval

The interval controls the pause between queued messages. Use it to keep the queue manageable and to leave time to monitor replies. It does not turn unsolicited messaging into permitted messaging and cannot guarantee that an account will avoid restrictions.

Select Next to open the Recipients step. This is the point to stop and inspect the final list—not merely the source spreadsheet. Check the country code, the number of recipients, and any unfamiliar entries.

The Preview step shows the campaign name, recipient count, interval, and rendered message. Read the message as a recipient would. Check placeholder replacement, link destination, spelling, formatting markers, media, and opt-out wording.

1. 1
   Select Test Send and send the message to a number you control.
2. 2
   Check how the text, link, name, image, or video appears on a phone.
3. 3
   For a first campaign, use a small segment rather than the entire list.
4. 4
   Select Send Now, keep WhatsApp Web open, and watch success/failure status.
5. 5
   Pause the task if failures increase, replies indicate confusion, or recipients request removal.