🚀 India's #1 CPaaS Platform

All-in-One Platform for Smart Customer Engagement

Engage, automate, and convert customers across WhatsApp, SMS, Email, RCS, and AI Voice — from one unified platform built for scale.

10,000+Businesses Served
5B+Messages Delivered
99.9%Uptime SLA
120+Countries Reached
98%WhatsApp Open Rate
💬
WhatsApp Business API
✉️
Bulk SMS
📧
Email Platform
🎙️
AI Voice Agent
📱
RCS Messaging
🔐
OTP & 2FA
Our Products

Every channel your customers use.
One powerful platform.

Purpose-built communication tools that integrate seamlessly to deliver exceptional customer experiences at any scale.

💬

WhatsApp Business API

Reach 2 billion+ users on the world's most popular messaging platform. Send broadcasts, automate conversations, collect payments, and manage leads — all through verified WhatsApp Business profiles with up to 98% open rates.

Broadcast Campaigns AI Chatbot Team Inbox Payments Catalog OTP Green Tick Click Tracking
✉️

Bulk SMS Platform

Deliver transactional and promotional messages with industry-leading delivery rates. DLT-compliant routing across 220+ carrier networks in 120+ countries ensures your SMS always reaches its destination — fast and reliably.

Transactional SMS Promotional SMS SMS OTP 2FA Order Alerts Payment Links
📧

Bulk Email Platform

High-inbox-placement email delivery built for transactional and marketing use cases. DKIM, SPF, DMARC compliant infrastructure with real-time analytics, open tracking, click tracking, and bounce management.

Marketing Campaigns Transactional Email Email OTP Invoice Delivery Order Updates
🎙️

AI Voice Agent

Deploy GenAI-powered voice agents that handle thousands of simultaneous calls — booking appointments, qualifying leads, sending OTPs, and supporting customers in 10+ languages. Human handoff when complexity demands it.

GenAI Conversations Appointment Booking Lead Qualification Outbound Calls Multi-lingual Voice OTP
📱

RCS Messaging

The evolution of SMS — rich, branded, interactive messaging delivered inside the native messaging app. Send product carousels, video, CTA buttons, and two-way conversations with automatic fallback to SMS for non-RCS devices.

Rich Media Interactive Carousels CTA Buttons SMS Fallback Two-Way Chat Payment Links
🔐

OTP & Authentication Suite

Multi-channel OTP delivery across SMS, WhatsApp, Email, and Voice with intelligent failover routing. If one channel fails, automatically retries another — ensuring near-100% verification success for login, 2FA, and COD confirmation.

SMS OTP WhatsApp OTP Voice OTP Email OTP Flash Call Smart Failover
Meet ResoBot

Your AI employee that never sleeps

ResoBot is Resolink's GenAI-powered conversational assistant that works across WhatsApp, Voice, and Web — qualifying leads, booking appointments, answering FAQs, and escalating complex queries to human agents, 24 hours a day, in any language.

🧠
No-Code Flow Builder Design conversation flows visually — no engineering team required. Go live in minutes.
🌍
Multi-lingual AI Converse fluently in Hindi, English, Tamil, Marathi, Gujarati, and 10+ more languages.
🤝
Seamless Human Handoff ResoBot detects frustration or complex queries and hands off to your team inbox instantly.
📊
Real-Time Analytics Track conversation flows, resolution rates, drop-off points, and CSAT scores in real time.

Deploy ResoBot Today
🤖
ResoBot
Online — responding instantly
Hi there! 👋 I'm ResoBot. How can I help you today? I can assist with bookings, product queries, support, and more.
9:01 AM
I want to book a demo for your WhatsApp API
9:02 AM
Great choice! 🚀 Our WhatsApp API offers 98% open rates and broadcasts to unlimited contacts. May I know your name and company?
9:02 AM
Rahul Sharma, from TechMart India
9:03 AM
Perfect, Rahul! I've noted your details. Our expert will call you within 2 hours. Meanwhile, would you like a free API key to get started right now? ✅
9:03 AM
Why Resolink

Built different. Built better.

Everything a modern business needs to communicate, automate, and convert — engineered for reliability and scale.

Under 5-Minute Setup

From signup to first live message in under 5 minutes. No complex integrations, no lengthy onboarding.

🔀

Unified Multi-Channel

Manage WhatsApp, SMS, Email, RCS, Voice, and Chatbot from a single dashboard with one unified API.

🔒

Enterprise Security

ISO 27001 certified, SOC 2 Type II, GDPR, HIPAA compliant. End-to-end encryption and DLT registered.

📈

Real-Time Analytics & Delivery Reports

Live campaign dashboards, open rates, click tracking, conversion funnels, and delivery receipts — so you never fly blind on any campaign.

🤖

AI-Powered at Every Layer

From AI chatbots to voice agents, AI template builders, and smart routing — intelligence is built into every product, not bolted on.

98%

Average WhatsApp Open Rate

vs. 21% for email and 35% for SMS — WhatsApp on Resolink consistently outperforms every other channel for customer reach.

2.5×

Higher Conversion vs Email

Businesses switching to WhatsApp-first engagement on Resolink see 2.5× more conversions, 40% fewer support escalations, and 25% more repeat orders.

Industries

Tailored for the sectors that matter

Pre-built workflows, templates, and use cases for your specific industry — so you go live faster and convert more.

🛒

E-Commerce

Cart recovery, order tracking, delivery alerts, return management, and loyalty campaigns.

→ Explore
🏥

Healthcare

Appointment reminders, prescription sharing, lab reports, queue tokens, and patient follow-ups.

→ Explore
🏦

Finance & BFSI

OTPs, transaction alerts, EMI reminders, loan offers, FD renewals, and fraud notifications.

→ Explore
🎓

Education

Admission enquiries, fee reminders, results, attendance tracking, and parent communication.

→ Explore
🏠

Real Estate

Site visit scheduling, property catalogs, lead nurturing, and document collection.

→ Explore
🍽️

Restaurant & Food

Digital menus, order updates, table reservations, payment links, and loyalty offers.

→ Explore
🚗

Automobile

Service reminders, insurance renewal, lead follow-ups, and test drive booking.

→ Explore
🛡️

Insurance

Policy renewal alerts, claim status updates, premium reminders, and product cross-sells.

→ Explore
Use Cases

From first touch to loyal customer

Real workflows powering real results across the customer journey.

📦

Order Management

Automate every step of the post-purchase journey and reduce support tickets by 40%.

  • Instant order confirmation via WhatsApp & SMS
  • Real-time shipment tracking notifications
  • Automated invoice and billing delivery
  • Abandoned cart recovery campaigns (35% recovery rate)
  • Return & refund status updates
  • Promotional upsell after delivery
🏦

Banking & Insurance

Secure, compliant communication for every customer touchpoint in financial services.

  • Multi-channel OTP with smart failover
  • Real-time transaction confirmation alerts
  • EMI due & payment reminder sequences
  • Loan, FD, and insurance product cross-sell
  • Fraud alert and security notifications
  • Account statement delivery on WhatsApp
🏥

Healthcare

Reduce no-shows by 40% and improve patient satisfaction with automated care journeys.

  • Appointment booking and confirmation
  • Automated reminder 24h and 1h before slot
  • Digital queue token management
  • Prescription and lab report delivery
  • Post-visit follow-up and feedback
  • Patient health tips and medication reminders
🎓

Education

Boost enrollment by 50% and keep parents and students informed at every step.

  • Admission enquiry capture via ResoBot
  • Fee payment reminders and receipts
  • Result and report card delivery
  • Attendance alerts to parents
  • Circular and announcement broadcasting
  • Student check-in/check-out notifications
🏠

Real Estate

Convert 3× more leads with automated nurturing and site visit management.

  • Click-to-WhatsApp ad lead capture
  • Rich property catalog via WhatsApp & RCS
  • Automated site visit booking and reminders
  • Post-visit follow-up sequences
  • Document collection and sharing
  • Price drop and launch alerts
🍽️

Restaurant & Food Delivery

Drive 25% more repeat orders with automated engagement and loyalty programs.

  • Digital menu catalog on WhatsApp
  • Live order status and delivery tracking
  • Table reservation booking via ResoBot
  • Payment links and billing automation
  • Post-order review and feedback collection
  • Weekend offer and loyalty program alerts
Pricing

Simple, transparent pricing

No setup fees. No hidden charges. Cancel anytime. Annual billing saves 2 months.

Monthly
Annual Save 2 Months
Basic
1,499/mo
Billed monthly · +18% GST
Perfect for startups and small businesses starting their WhatsApp communication journey.
WhatsApp Business API
5,000 Contacts
10,000 Broadcasts/month
1 Admin User
1 ResoBot Chatbot Flow
SMS OTP (Add-on ₹499)
Email OTP (Add-on ₹499)
48-hr Email Support
AI Auto-Reply
Campaign Scheduler
Advanced Analytics
Pro
6,999/mo
Billed monthly · +18% GST
For scaling teams that need all channels, AI Voice, deep analytics, and priority support.
All 6 Channels (WA+SMS+Email+RCS+Voice+OTP)
2,50,000 Contacts
5,00,000 Broadcasts/month
10 Team Members
25 ResoBot Chatbot Flows
AI Voice Agent (2,000 min/mo)
AI Sales Agent Included
Advanced Analytics & Reports
AI Image Generation (500/mo)
4-hr Priority Support
1-on-1 Onboarding
Enterprise
Custom
Tailored for you
 
For large enterprises requiring unlimited scale, white-label solutions, SLA guarantees, and a dedicated team.
Unlimited Contacts & Broadcasts
Unlimited Team Members
Unlimited Chatbot Flows
Unlimited AI Voice Minutes
White-label / Branded Platform
Custom SLA (99.99% uptime)
Dedicated Account Manager (TAM)
White-Glove Onboarding
Custom API Rate Limits
On-Premise Deployment Option
Priority 24/7 Phone Support

All plans include free API access · No credit card required to start · ₹5,000 switching credit for competitors

Partner Program

Grow your business with Resolink

Two programs designed to create new revenue streams for agencies, consultants, and technology partners.

🤝

Reseller Program

Offer Resolink's full CPaaS suite under your own brand. Set your own pricing, own the customer relationship, and earn attractive margins on every subscription and message you sell.

White-label platform with your branding
Attractive margins on all products
Dedicated partner support desk
Co-branded marketing materials
Reseller dashboard with full visibility
Priority onboarding for your clients
Become a Reseller →
💸

Affiliate Program

Refer businesses to Resolink and earn recurring commissions for every customer you bring in. Performance-based tiers mean the more you refer, the more you earn — with zero cap.

Recurring commission on every referral
Performance-based earning tiers
Real-time earnings dashboard
Co-marketing collateral provided
Dedicated affiliate manager
Monthly payouts, no minimums
Join Affiliates →
Developer API

Integrate in minutes,
not weeks

RESTful APIs, comprehensive SDKs, real-time webhooks, and a sandbox environment so you can build, test, and ship fast.

💬 WhatsApp API — messages, templates, media, flows
✉️ SMS API — OTP, transactional, promotional
📧 Email API — SMTP & REST with open/click tracking
🎙️ Voice API — initiate, record, IVR, transcribe
📱 RCS API — rich cards, interactive flows, fallback
Get Free API Keys View Docs →
# Send WhatsApp message via Resolink API
import requests

url = "https://api.resolink.in/v1/whatsapp/send"
headers = {
  "Authorization": "Bearer YOUR_API_KEY",
  "Content-Type": "application/json"
}
payload = {
  "to": "+91XXXXXXXXXX",
  "type": "template",
  "template": {
    "name": "order_shipped",
    "language": "en",
    "components": [{
      "type": "body",
      "parameters": [{"type":"text","text":"#45021"}]
    }]
  }
}

res = requests.post(url,headers=headers,json=payload)
print(res.json())
# {"status":"sent","msg_id":"rslk_abc123","delivered_at":"2026-05-05T09:03:00Z"}
Testimonials

Trusted by 10,000+ businesses

See how leading brands use Resolink to transform customer communication.

★★★★★

"Resolink's WhatsApp API helped us recover 38% of abandoned carts within the first month. The broadcast campaigns are incredibly easy to set up and the open rates are unbelievable."

R
Rahul Mehta
Co-Founder, ShopZen India
★★★★★

"ResoBot has been a game-changer for our hospital. Appointment no-shows dropped by 42% in 60 days. Patients love the automated reminders and the queue token system on WhatsApp."

P
Dr. Priya Sharma
Director, MedFirst Healthcare
★★★★★

"The multi-channel OTP failover from Resolink is exactly what we needed for our fintech app. If SMS fails, it automatically retries via WhatsApp. Our verification success rate is now 99.6%."

A
Arjun Kapoor
CTO, PayEase Technologies
Get In Touch

Start automating customer conversations today

Fill in your details and our team will reach out within 2 hours to set up your free trial, answer questions, and run a personalized demo.

Free trial — no credit card required
🎯Dedicated onboarding support included
💰₹5,000 credit when switching from competitors
🔒ISO 27001 · SOC 2 · GDPR · DLT Compliant
🤝Official Meta Business Partner

5 min
Setup time
2 hrs
Response time
Request a Demo
💬