Geekapps Post

Send polished messages
in just a few minutes.

Design, automate and deliver transactional communication across email, SMS and WhatsApp with one visual builder, one API and no provider lock-in.

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You are receiving this message because your workspace uses Geekapps Post for transactional communication.

Built for teams sending reliable communication at scale.

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Create better-performing messages in less time.

Build responsive templates and campaigns in minutes with a visual builder, dynamic content and one API for email, SMS and WhatsApp.

Explore more
Header
Text
Button
Footer
OTP
Invoice
📱

Full control for desktop and mobile

Responsive preview

Preview your template across desktop, mobile, email, SMS and WhatsApp before publishing.

100%
responsive
Template qualityLive
responsive

Email API

Send polished emails without rebuilding templates every time.

Create branded emails for verification, onboarding, invoices, billing reminders and product updates.

✓Responsive transactional templates
✓Preview before sending
✓Reusable variables and blocks
✓Delivery and engagement tracking
Email API
Unified message API
Active
await post.messages.send({
  channel: "email",
  to: "ana@email.com",
  template: "invoice_ready",
  data: {
    name: "Ana",
    amount: "R$ 129,90"
  }
});
Queued
Sent
Delivered

SMS API

Deliver urgent alerts, OTPs and reminders with simple API calls.

Use SMS for time-sensitive communication when speed, reach and fallback delivery matter.

✓OTP and verification codes
✓Payment reminders
✓Fallback from email or WhatsApp
✓Delivery status webhooks
SMS API
Unified message API
Active
await post.messages.send({
  channel: "sms",
  to: "+5598999999999",
  template: "login_otp",
  data: {
    code: "842916"
  }
});
Queued
Sent
Delivered

WhatsApp Business API

Send official WhatsApp templates through your customer flows.

Use approved WhatsApp templates for billing, support, authentication and transactional updates.

✓Template-based notifications
✓Variables for invoices and OTPs
✓Webhook delivery events
✓Unified fallback with email and SMS
WhatsApp Business API
Unified message API
Active
await post.messages.send({
  channel: "whatsapp",
  to: "+5598999999999",
  template: "payment_confirmed",
  data: {
    name: "Ana",
    invoiceUrl: "https://..."
  }
});
Queued
Sent
Delivered

Save time and build smarter communication flows.

Geekapps Post generates production-ready templates, handles providers, tracks delivery and keeps your transactional messages consistent across channels.

Preview in every channel

Send internal previews before launch and validate how each message looks on email, SMS and WhatsApp.

Sent testsTry preview
Ana Silvaotp_loginSent
Roy Carterotp_loginSent
Julia Ramosotp_loginSent
Bruno Postotp_loginSent

Smart code behind the scenes

Deliver messages with fallback logic, provider routing, rate limits and clean API calls.

APIWhatsApp fallback
await post.messages.send({
  to: "+55 98 99999-9999",
  channel: "auto",
  template: "login_otp",
  data: { code: "842916" }
});

See what actually drives message growth.

Track every delivery, click, reply and conversion in one performance dashboard.

Message Performance

Campaigns, transactional flows and provider health.

30 daysAll channelsAll providers
1.8M
Messages sent
98.7%
Delivery rate
42.1%
Engagement

Channel distribution

68%
opened
Email38%
WhatsApp30%
SMS32%

Ready to send
better messages?

Design, test and deliver reliable communication across email, SMS and WhatsApp in minutes.

Get Started Today