Best SMS API Providers for CleverTap

Design and deploy your ideal customer engagement experience. Twilio is a single fully-programmable platform with flexible APIs for any channel and over 400+ integrations, backed by a community of over 9 million developers. Build accurate and personalized experiences for your customers, easily and at scale, using SMS and WhatsApp messaging, voice, video, email, and more. Browse documentation and SDKs in multiple coding languages, including Ruby, Python, PHP, Node.js, java, and C#, or jumpstart your first project with our open source code templates to quickly build production-ready communications apps. Sign up and start building today.

Increase sales and customer satisfaction with smarter SMS campaigns, instant OTPs, notifications, two-way interactions, and other award-winning bulk SMS services. Effortlessly personalize your bulk SMS with names or custom fields, compose in 20+ languages, schedule/stagger your sends, add opt-out path and more. Get best-in-class SMS delivery. Automate sending and receiving SMS from any website, CRM, or application. Access SMS APIs with sample codes in 10+ languages including PHP, Java, .NET & more. Easily insert images, videos, PDFs, spreadsheets & more as shortlinks in your bulk SMS campaigns and grab your customers’ attention. Convey more in 160 characters. Let your customers instantly reach you by just texting into your long codes and keywords. Set auto-replies or take the conversation forward on other channels. Measure campaign outreach and effectiveness with real-time SMS delivery reports, and granular click metrics for all weblinks and attachments sent as Textlocal short links.