Send messages that don't sound like a blast.
Every recipient gets a slightly different version of your message — written by AI in your voice. Templates, rewrites, and a sending pace your account survives.
Hi, just checking if you'd like a call this week.
Hi, wanted to check in on a call this week.
Hi, hope you're well — quick call this week?
Hey, free for a call this week to chat?
Identical messages are easy to spot.
When 100 recipients receive the exact same text, two things happen.
First, WhatsApp sees a pattern no real human creates. Real humans rephrase. They add typos. They wander.
Second, recipients sense it too. "Hi, hope you're well. We're writing to introduce…" lands as a blast. They half-read it, then ignore.
Both problems have the same fix. Make every message a little different.
AI rewrites every message slightly.
You write the message once. Sampark Setu sends a slightly different version to each person. The meaning stays the same — the wording shifts.
"Hi, hope you're well. Just checking in to see if you'd like to set up a call this week to discuss the proposal. Let me know what works."
Hi, hope things are good. Wanted to check in and see if a call this week to talk through the proposal works for you. Let me know.
Hi, hope you're doing well. Just following up to see if we could set up a quick call this week to go over the proposal. What works for you?
Hey, hope you're keeping well. Checking in to see if you'd be free for a call this week to discuss the proposal. Let me know your time.
WhatsApp sees three different messages, not the same one 100 times.
Recipients read something that feels written, not pasted.
Powered by Claude Haiku. Each rewrite reviewed for tone and meaning before it leaves your computer. Up to 20 spin calls per workspace per day on Pro.
Save your best messages.
Most outreach has 5 or 6 messages that work. The first follow-up. The second. The "still interested?". The "thanks for your time".
Save each as a template. Pull it up next time. Edit if needed. Send.
Up to 50 templates per workspace on Pro
Sent at a pace your account survives.
One message every 3–7 minutes. Longer pause every 10–12 messages. Working hours only. No bulk blasts.
A message every 3–7 minutes looks like a human typing. Every 30 seconds looks like a robot.
Read why we built it this way →They grow with your account.
A new account that suddenly sends 1,000 messages will be banned. So Sampark Setu enforces daily limits that grow with your account age.
"Account age" means the age of your WhatsApp session inside Sampark Setu. Day 1 is the day you connect. Most tools hide their limits — we show ours upfront. If 200/day isn't enough, we're the wrong tool, and we'd rather you know today.
Two things that aren't here yet.
We'll tell you when they ship.
Variable injection
Placeholders like {name} or {company}. Ships with Contact Intelligence, expected Q3 2026.
Media, polls, location, contact cards
Sending images, PDFs, polls, location pins and contact cards comes with the Max plan.
Common questions.
Send messages that don't sound like a blast.
Free during Early Access. Sign in with Google — no card.
Available on Pro · ₹649/month after Early Access · Cancel anytime