Bulk Messages
Number Warming Process
9 min
recent changes to whatsapp’s security protocols have introduced stricter monitoring of newly registered numbers , leading to frequent blocks this is a challenge for companies using the unofficial whatsapp api , especially when working with new esim numbers to minimize the risk of blocking, it is crucial to “warm up” new numbers, gradually increasing activity and imitating human behavior to build legitimacy why number warming is important a newly registered whatsapp number is often considered suspicious do not scan the qr code immediately after registering a number — wait several hours warming up establishes a natural usage pattern , reducing the chances of triggering anti spam algorithms key warming activities sending and receiving messages making and receiving calls posting status updates joining and participating in groups adding and saving new contacts in the phone’s address book recommended warming period minimum 3–10 days recommended 15 days before using the number for production messaging ⚠️ even with proper warming, there is always a risk of blocking step by step warming strategy day 0 do not connect the new number immediately — wait a few hours configure your whatsapp profile (name, profile picture, details) make sure you have at least 20–50 contacts saved in your phone send a few test messages to 1–2 real contacts and receive replies day 1 start 3–6 private conversations with existing contacts send a mix of text messages and media (images, short videos) receive replies to keep interactions two sided day 2 increase to 10–15 conversations send approximately 1 message per minute with varied content continue balancing between messages sent and received day 3 increase conversations gradually participate in group chats if possible send different message types (links, long texts, images, voice notes) keep traffic looking natural and two sided day 4–7 create or join additional whatsapp groups participate actively (reply, react, send different types of media) post status updates to simulate human behavior add new contacts to your phone and message them day 8–15 continue increasing the number of conversations and groups use features like channels and communities keep adding new contacts regularly limit sending to 2 messages per minute , max 6 hours per day avoid consecutive heavy usage for more than 3 days in a row general tips activities must look human and random , not automated always add a number to your contacts before messaging it avoid one way messaging — ensure you’re receiving replies spread activity throughout the day instead of concentrating it gradually increase volume and diversify interactions ⚠️ important notes even with proper warming, whatsapp can still block new numbers — this risk cannot be completely eliminated warming significantly reduces the chances of blocking but does not guarantee full protection always have backup numbers ready in case one gets blocked ✅ by warming up your numbers for at least 15 days and gradually building activity, you maximize the chances of keeping them active and avoid sudden blocks from whatsapp’s security systems