Welcome To Cilwo

Best Bulk SMS Service in India — Trusted by Top Brands, Loved Nationwide

Blazing-fast, reliable, and compliant bulk messaging solutions—perfect for promotions, alerts, OTPs, and beyond.

Get quick delivery, fraud protection, and personalized transactional sms options to enhance your messaging experience and build stronger connections with your audience.

sms

Otp SMS

promotional

Promotional SMS

otp

Transactional SMS

2 Way SMS

transactional sms

Service SMS

Seamlessly integrate with your current tech stack by easily connecting various integrations, streamlining workflows, and increasing efficiency

Our user-friendly platform ensures smooth operations, offering a wide array of integrations to complement our SMS API, including OTP sms and 2 way sms functionalities. With easy configuration options, you can seamlessly incorporate our platform into your existing systems for enhanced functionality

SMS is providing verified and reliable delivery with a straightforward integration and enabling you to expand your reach globally…

WorldWide Reach

Wherever your customers are located, we ensure your SMS messages are delivered successfully.

Fast integration

Seamlessly integrate our API into your existing business workflows for a swift and straightforward implementation.

Improve customer responses

Utilize real-time analytics and CX consultancy to create a winning communication strategy that enhances customer engagement.

Secured delivery

With our secure infrastructure, you can safely transmit confidential information to your customers via bulk SMS.

One Platform

Take the liberty of sending messages across all Cilwo’s panel from a single dashboard.

Friendly support

Our customers and tech support team is always available 24/7, throughout the year.

Empower your messaging platform via our robust APIs.

Our programmable APIs give you full control over your SMS delivery

APIs can be easily integrated into your existing workflows, apps & more

APIs support various messaging use cases, including SMS, MMS, and RCS

APIs are flexible and scalable, allowing for customized messaging solutions

Empowering your SMS communication with APIs can lead to enhanced customer engagement and improved business outcomes

Real-time analytics and reports are available to track campaign performance and engagement

APIs support multiple programming languages, makes easy for developers to build messaging applications

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