Stop manual data entry. Automate your business with confidence.
SendStackr is the infrastructure that connects your CRM directly to WhatsApp. The platform that manages your phone farm and turns your devices into a decentralized income engine with enterprise-grade stability and dedicated mobile proxies.
Platform: —
Processing incoming webhooks via Telegram & Email · Public 24h snapshot
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Try it now
See how unstructured text becomes actionable data.
{
"intent": "booking_request",
"entities": {
"day": "Tuesday",
"time": "15:00",
"service": "appointment"
},
"action": "trigger_calendar_webhook",
"confidence": 0.98
}Trusted by Operators
“SendStackr helped us keep high-intent WhatsApp conversations organized—so leads get answered fast and nothing falls through the cracks between channels.”
“We use SendStackr to streamline guest inquiries and follow-ups—less manual back-and-forth, more consistent responses, and a calmer inbox for the team.”
Meet the Team
Built by engineers who experienced the pain of scaled WhatsApp operations firsthand. We decided to fix the infrastructure layer so you can focus on building your product.
I Kadek Adi Gunawan
Founder + CTO, Ex. Automation Engineer
Building automation infrastructure for teams who live on WhatsApp, email, and real workflows—not slide decks.
How it works
Create Project
Generate a unique AI email address specific to your workflow needs.
Route Emails
Forward or BCC important emails directly to your new project address.
Smart Conversations
Our AI intercepts, reads, and processes the content intelligently.
Multi-Channel Output
Send structured JSON to webhooks or trigger text messages to Telegram/WhatsApp.
Visual Workflow Builder
Design complex automation flows without writing a single line of code. Start from scratch or use our pre-built templates designed for high-conversion scenarios.
Email Auto-Responder Template
Instantly classify incoming leads and reply intelligently.
RAG-Powered Support
Connect your knowledge base for accurate customer answers.
error The Friction
- content_copy
Manual Copy-Pasting Staff wasting hours copying messages between GoHighLevel and WhatsApp web.
- block
The Ban Hammer Shared data center IPs getting your main business number flagged and blocked constantly.
- lock_open
Sloppy Security Handing over your raw QR code session to untrusted third-party apps just to get a webhook.
speed The Flow
- sync
True CRM Sync Webhooks that actually work, pushing and pulling data exactly when you need it.
- cell_tower
Proxy Hub Turn your mobile network into a secure proxy endpoint you can route traffic through—ideal for region-specific workflows and clean delivery.
- key
Unique OTP Capture Our exclusive edge: We capture WhatsApp OTPs directly from device notifications, something competitors cannot do.
Built for modern workflows
Secure Appointment Automation
For clinics and private practices. Automate reminders and confirmations without compromising patient data through untrusted middle-men.
Unstoppable Campaigns
For marketing agencies. Run high-volume outreach with confidence using our dedicated mobile IP infrastructure.
Bridge the Legacy Gap
For SaaS Founders. Give your users the WhatsApp integration they are begging for by embedding SendStackr's clean API into your product.
Turn Your Devices into an Income Engine
The World's First Decentralized AI & Proxy Network.
Turn your idle Android phones into a powerhouse of proxy servers, LLM providers, and SMS gateways. Join 10,000+ nodes already earning passive income.
Global Proxy Demand
Businesses need high-quality mobile IPs. Get paid for every GB of traffic routed through your phone's unique 4G/5G connection.
Edge AI Hosting
Host LiteRT-LM models on your devices to process private AI tasks for enterprise clients and earn 'Compute Credits'.
SMS & Notification Forwarding
Provide critical infrastructure for OTP delivery and notification syncing for businesses worldwide.
The World's First Phone Farm Marketplace
Buy, sell, or trade verified high-reputation phone nodes. Scale your infrastructure or exit your position with a single click.
Verified Hardware
Every node is vetted for uptime and network quality to ensure maximum performance.
Instant Scaling
Buy established farms to skip the warm-up period and start earning or routing traffic immediately.
Secure Escrow
Safe, encrypted transactions for both buyers and sellers protected by our platform governance.
Developer First
Integrate in minutes.
Use the REST API under /api/, the web console, and workflow builder. Browser calls use session cookies after you sign in; server-side integrations should forward cookies or call from your backend with an authenticated session.
- check_circleREST API, dashboard, and workflow builder
- check_circleRAG endpoints at
/api/rag/* - check_circleSession-based auth for console-aligned requests
// GET /api/me — session cookie (after console login) const res = await fetch("https://api.sendstackr.com/api/me", { credentials: "include", }); const me = await res.json();
Ready to supercharge your inbox?
Start automating email and messaging with workflows, RAG, and multi-channel output you control.
500 free tokens/mo on the Free plan · No credit card required · Cancel anytime