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Essential Guidelines for WhatsApp Warm-Up

These are the core principles you must follow throughout the warm-up process and beyond.

Golden Rules
  1. Slow and steady wins the race - Patience during warm-up pays off
  2. Engagement is everything - Get replies to build reputation
  3. Drip Mode is mandatory - Never send bulk without it
  4. Quality over quantity - Better to send 100 engaged than 1000 ignored

1. Number Warm-up​

Start Slow and Natural​

  • Begin with natural conversations before any bulk messaging
  • Avoid connecting to integrations or WhatsApp Web for the first 7-14 days of signing up with WhatsApp (new signups)
  • Start slowly and gradually increase volume over time
  • Build engagement history with 10-20 contacts first

Join WhatsApp Groups​

  • Add the number to some WhatsApp groups (3-5 relevant groups)
  • Start engaging with group members naturally
  • This helps establish the number as an active, social account

Volume Progression​

  • Gradually increase volume over first 7-10 days
  • Increase daily volume by 15-20% each day
  • Never jump from low volume to high volume suddenly
Critical Rule

Do NOT connect your WhatsApp number to any automation platform or WhatsApp Web during the first 7-14 days of signing up with WhatsApp (new signups). Use the phone only for manual, natural conversations.

2. Encourage Engagement​

Make Messages Interactive​

  • Include questions in initial messages to new contacts
  • Create messages that naturally encourage responses
  • Examples:
    • "Are you currently using any marketing automation tools?"
    • "What's your biggest challenge with customer communication?"
    • "Would you like to learn more about [specific topic]?"

Why Replies Matter​

  • Replies significantly reduce ban risk
  • WhatsApp sees two-way conversations as legitimate

Content Quality​

  • Avoid messages that are considered spam or suspicious
  • Avoid overly promotional content initially
  • Keep messages conversational and helpful

3. Use Drip Mode​

What is Drip Mode?​

Drip Mode spaces out your messages to mimic natural human sending patterns, preventing WhatsApp from flagging bulk sending behavior.

Drip Mode Settings by Phase​

  • Days 1-5: 1 message per 15-20 seconds
  • Days 6-10: 1 message per 10-15 seconds
  • Days 11-14: 1 message per 5-10 seconds
  • Day 15+: 1 message per 3-5 seconds

Best Practices​

  • Always enable Drip Mode for bulk campaigns
  • Start conservatively with new numbers
  • Gradually increase speed as number builds reputation
  • Never turn off Drip Mode, even after warm-up
Pro Tip

WaSync.ai's Drip Mode offers per-second granularity, giving you more control and helps prevent bans.

4. Avoid Ban Triggers​

Content Triggers​

  • ❌ Identical messages to multiple recipients (use variations)
  • ❌ Suspicious links in first messages
  • ❌ Excessive promotional language
  • ❌ Messages that look automated or robotic

Behavior Triggers​

  • ❌ Unsolicited messaging to cold contacts
  • ❌ Excessive message frequency (too many too fast)
  • ❌ Sending messages at unusual hours (3am, etc.)
  • ❌ Sudden volume spikes

Contact Quality​

  • Only message people who have opted in
  • Avoid purchased contact lists
  • Ensure contacts expect to hear from you

5. Warning Signs​

Monitor your account for these red flags:

Message Status Issues​

  • Messages stuck in "pending" status for extended periods (>5 minutes)
  • Increased "message failed" errors
  • Messages not being delivered

Delivery Metrics​

  • Delivery rates dropping below 90%
  • Increasing number of undelivered messages
  • Recipients reporting they're not receiving messages

Account Alerts​

  • WhatsApp warnings or notifications
  • Temporary sending restrictions
  • Contacts reporting your messages as spam
Take Action Immediately

If you see any warning signs, STOP sending immediately and:

  1. Review your sending patterns
  2. Slow down your drip rate
  3. Focus on getting replies from recent contacts
  4. Wait 48-72 hours before resuming at a slower pace
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