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Governed WhatsApp for growing teams

Governed system for WhatsApp operations and automation

Link numbers you control with persistent sessions (including QR onboarding and reconnect). Operators work in the signed-in product; developers use authenticated HTTP routes and outbound webhooks on tiers that unlock them. We do not position Chattu as the official WhatsApp Business API.

Plan-checked limits · Starter: dashboard only (no API/webhooks) · Pro+: HTTP API & outbound webhooks · Session-linked WhatsApp

When WhatsApp is critical—but unmanaged

Sales, support, and notifications live on personal devices instead of accountable systems. Scripts break, SLAs slip, and growth adds more lines with no shared limits, billing alignment, or security posture. You still want the channel—without the chaos.

One hub for WhatsApp—in the browser and in your integrations

Persistent linked sessions (QR onboarding and reconnect), plans that enforce sends, automation budgets, contacts, webhook eligibility, and API access—operators use the signed-in product; integrations call authenticated endpoints only where tiers allow. Automation (rules within caps, personalization-aware templates, schedules, imports) aligns with those same sessions.

  • 5,000+ production integrations
  • 4.8/5 stick after trial
  • Your QR appears right after sign-in — no waiting, no confusion.
  • Rate limits & session reliability

How it works

Choose a plan, connect WhatsApp, set up automation—then work in the web app or plug in HTTP tools on the tiers that allow it.

Pick your plan & sign in

Register, sign in through the browser, and attach a payment method or plan where your signup flow asks for it. Trial is capped and does not open the HTTP API or webhooks.

Link WhatsApp

Create your client entry, scan the QR code when prompted, or restore an existing linked session—so WhatsApp reconnects cleanly after downtime.

Add automation

Build templates, import contacts where allowed, schedule messages, and set auto-reply rules inside your quotas. HTTPS webhooks to your URLs are optional and only appear on tiers that include them.

Dashboard—or your backend

Staff use chats, broadcasts, attachments, groups, and logs in the signed-in web experience. Developers call the authenticated HTTP endpoints when your subscription includes API access—both use the same linked WhatsApp session.

Keep it within limits

Your tier caps messages, linked numbers, automation, contacts, HTTP access, and webhooks—so expectations stay clear. Administrators get oversight and optional summaries; queued text sends are documented for setups where that option is enabled.

Inside the product

QR, templates, and status — laid out the way you’ll actually use them.

Scan to connect

Your QR appears right after sign-in — no waiting, no confusion.

Template builder

Hi {{name}}, your order is ready for pickup!

Variables, preview, send — your team speaks in one voice.

Inbox & status

Connected
Chats
Session · Main line
Connected
All Unread
Mariana Costa 10:38
New lead · WhatsApp
Thanks! When can we talk?
James Okonkwo Yesterday
Support queue
We’ll ship it tomorrow morning.
Priya Nair Mon
Campaign · Blast
Opened: 842 · Replied: 61

Connection state stays visible so you’re never guessing.

What Chattu includes

HTTP tools where plans unlock them, operator automation, and clarity in your dashboard—all grounded in shipped capabilities.

Integrations (tier-gated)

REST send/receive pathways, client/profile style routes, API keys (account vs per-client on supported paths), validation, rate limiting, optional background text sends with job references when your environment enables the queue path.

Automation layer

Auto-reply rules within plan caps, templates with variable personalization, scheduled messages and contact storage within tier ceilings, optional bulk flows behind feature flags.

Operator experience

Signed-in access to settings, chats, messaging, clients, logs, templates, schedules, contacts; billing or subscription views when checkout is connected; API documentation access aligned with Professional-style entitlements; realtime session signals for linked numbers.

In-product visibility

Connection status, usage, and plan context your operators see in the dashboard; subscription summaries when billing is on; optional usage digests by email if you enable them.

Documentation reflects real routes

HTTP integrations use authenticated requests and per-route validation; availability depends on your plan.

Open API documentation
  • Routes, headers (including API keys), payloads, and rate limits are spelled out in the docs—not invented on this landing page.
  • Starter and Trial plans do not include API access or webhooks; upgrade paths unlock those integration surfaces.
  • Optional queued text sends and webhook behavior are documented for environments where they are enabled.

Plans that match shipped limits

Monthly message allowances, linked clients, automation caps, contacts—and where API keys & webhooks unlock.

Listed prices are examples; confirm totals at signup or checkout. Free tier is intentionally restrictive (no outbound quota); Trial excludes API/webhooks.

Free Trial

7-Day Free Trial

₪ 0 /7 days

7-day onboarding window with bounded caps

  • Up to 100 messages / month
  • 1 linked client
  • Up to 3 auto-reply rules
  • Up to 10 scheduled messages
  • Up to 50 contacts
  • HTTP API access
  • Outbound webhooks
Start Free Trial

Starter

₪ 50 /month

Two numbers, predictable quotas—dashboard & automation only

  • Up to 5,000 messages / month
  • 2 linked clients
  • Up to 10 auto-reply rules
  • Up to 100 scheduled messages
  • Up to 500 contacts
  • HTTP API access
  • Outbound webhooks
Get Started

Enterprise

₪ 250 /month

Highest ceilings for sends, automation, contacts & linked clients

  • Unlimited monthly messages (per plan encoding)
  • Unlimited linked clients
  • Unlimited auto-reply rules
  • Unlimited scheduled messages
  • Unlimited contacts
  • HTTP API access
  • Outbound webhooks
  • Priority support
Contact Sales

API routes and outbound webhooks require Professional or Enterprise. Trial mirrors product caps (no API/webhooks). Cancel policy follows your signup terms.

Questions teams ask first

Is Chattu the official WhatsApp Business API?
No—Chattu operates linked WhatsApp sessions and is upfront about that model. Messaging stays credible when you explain it plainly to stakeholders.
Can I integrate on Starter or Trial?
Programmatic routes and outbound webhooks unlock on Professional and Enterprise tiers. Trial inherits the bounded trial quotas and excludes HTTP API/webhooks unless you graduate plans.
What happens for high outbound volume?
Plan limits gate monthly throughput; optional background text enqueue is available only when documented infrastructure toggles are on. Check the docs for queue behavior and payloads.

Make WhatsApp an owned channel

Create an account, link your first number under the right tier, then add automation—or integrations once your plan unlocks HTTP access.

Honest WhatsApp-session positioning · Tier-based HTTP tooling · Operators + builders in one product narrative