How to Block Users from Sending You Spam Messages on WhatsApp

3 min. read
Last update: 30.01.2026

💰 2026 Cost Impact

Blocking spam senders directly reduces your WhatsApp Business API costs. Every blocked conversation saves you:

Marketing
₹1.06
Utility
₹0.31
Auth
₹0.345
Service
₹0.2

Are you tired of receiving endless spam messages on WhatsApp Business API? Whether it's promotional broadcasts, random forwards, or unwanted greetings, spam can clutter your inbox and waste your budget. The good news is, WhatsApp provides a simple yet powerful feature to block these messages and take back control of your communication costs. 😎

Blocking a contact on WhatsApp prevents them from sending you messages, but you can still send messages or broadcasts to them. This feature is especially useful for businesses who want to maintain professional communication without being bombarded by irrelevant content that incurs charges.

Pro Tip: Blocking spam senders directly saves you ₹0.20-₹1.06 per prevented conversation, making it a smart cost management strategy for 2026.

Step-by-Step Guide to Block Incoming Messages

Blocking a user on WhatsApp Business API is quick and easy through the WhatsApp Business Manager. Follow these steps:

  1. Open the chat of the user you want to block in WhatsApp Business Manager
  2. Tap on the user's name at the top to open contact information
  3. Select the BLOCK option from the contact information screen
  4. Confirm your choice to complete the blocking process
Step-by-step guide to blocking messages on WhatsApp Business API

Additional Tips to Reduce Spam & Costs

  • Report Spam: If a user is sending harmful content, use the "Report" feature to notify Meta. This helps protect other businesses and maintains platform quality.
  • Privacy Settings: Adjust your privacy settings to control who can add you to groups, reducing unwanted group spam that could trigger multiple conversation charges.
  • Two-Step Verification: Enable two-step verification to secure your account from unauthorized access that could result in costly spam campaigns.
  • Regular Monitoring: Review your blocked contacts list monthly to ensure legitimate customers haven't been accidentally blocked.

Frequently Asked Questions

Common questions about blocking spam messages on WhatsApp Business API.

Frequently Asked Questions

Will blocking a user delete our chat history?

No, blocking a user does not delete your chat history. You can still access the chat unless you manually delete it. This ensures you retain important business communication records.

Can I unblock a user later in Chat Mitra?

Yes, you can unblock users through the WhatsApp Business Manager dashboard. Navigate to Account > Phone Numbers > Blocked Contacts to manage your blocked list.

Does blocking spam contacts reduce my WhatsApp API costs?

Yes. Blocking spam senders prevents them from initiating conversations, saving you from unnecessary charges. Each blocked spam conversation saves you ₹0.20-₹1.06 depending on the category.

Can blocked users still see my WhatsApp Business profile?

No. Once blocked, users cannot see your profile photo, status updates, last seen timestamp, or any business information. This maintains your professional privacy.