What is CPaaS?

CPaaS (Communications Platform as a Service) is a cloud-based solution that empowers organizations to elevate customer interactions by integrating messaging and core communication features directly into applications via APIs. It's designed to make enterprise-consumer communication simple, scalable, and secure.

Why Rakuten CPaaS?

99.987% Availability, 99.9% SMS Deliverability

Choose Rakuten CPaaS for carrier-grade reliability and trusted delivery. Our platform uses advanced network technology to ensure high delivery rates, secure data handling , and compliance with global standards, so your campaigns reach your audience every time.

Achieving 99.987% platform availability and over 99.9% SMS deliverability, Rakuten CPaaS delivers unmatched reliability for your business communications.

Reach your customers with confidence—Rakuten CPaaS delivers unmatched performance and reliability, guaranteeing your messages land quickly and securely, powered by our proven telecommunications backbone.

* Our 99.9% SMS delivery success rate represents the proportion of messages successfully delivered after excluding those that failed due to the following external factors:
SPAM filtering by carriers / Invalid Destination Addresses / Recipient's opt-out/blocking settings / Expiration due to unavailability (out of service/power off) / Other carrier-specific regulations

Seamless Communication Worldwide

Rakuten CPaaS offers reliable global coverage, ensuring consistent service quality not only in Japan but also when operating overseas. Integrate SMS, verification, and short links for smooth omnichannel flows—enabling you to engage users naturally, wherever they are around the world.

Our Core Capabilities

A unified platform that combines messaging , analytics, campaign tools, authentication, and security — built to streamline your business communication.

Messaging

Effortlessly send and receive messages at scale with Rakuten CPaaS’s reliable Messaging API. Reach both individual customers and bulk audiences with ease.

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Dashboard

Stay in control with real -time analytics and communication insights. The Rakuten CPaaS dashboard helps you track, manage, and optimize messaging performance.

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Campaign Management

Plan, schedule, and launch effective campaigns with intuitive tools. Streamline execution and ensure consistent messaging that drives measurable results.

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Confirm API

Deliver one-time PINs (OTPs) instantly with a secure and automated API. Simplify two-factor authentication to enhance both user trust and application safety.

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Short URL API

Generate, track, and manage short links with ease. Boost engagement and campaign performance with simple, reliable, and trackable URLs.

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SSO & Security

Access Rakuten CPaaS with single sign-on for convenience and stronger security. Protect data with ISO- certified standards and globally reliable infrastructure.

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Getting Started with CPaaS

Check out the simplified implementation process for Rakuten CPaaS. We will send product information to those interested in our service for businesses. We provide smooth guidance from consultation and free trial to customized plans and implementation. All of this is backed by 24/7, year‑round support.

Contact Sales

If you'd like to explore more about Rakuten CPaaS services, please feel free to contact our sales team. We’re here to assist you with inquiries regarding everything from Messaging to Confirm API.

Carrier-Grade

Competitive Price in the Industry

No Initial Cost  
No Monthly Fees

24/7 Support

Frequently Asked Questions

View FAQs in Detail

Messaging

Effortlessly send and receive messages with Rakuten CPaaS’s powerful Messaging API, designed for reliability and ease of use. Whether reaching individual customers or bulk audiences, communicate at scale without complexity. Key benefits include :

Individual & Bulk Messaging

Reach your audience one-on-one or all at once with flexible sending options.

A2P and P2A Support

Engage in dynamic, two-way conversations with Application-to-Person and Person-to-Application messaging capabilities.

Custom Sender Address

Protect your brand and prevent spoofing by specifying the sender address shown on mobile devices.

Message Preview

See exactly how your message will appear to recipients before hitting send.

Global Reach

Deliver your messages worldwide with confidence and high reliability.

Extended Message Length

Send longer, richer messages up to 660 double-byte or 1,520 half-width characters.

Automatic URL Shortening

Keep your messages clean and clickable by automatically converting links into short URLs.

Dashboard

Unlock the power of real-time analytics and streamline your communication management with the Rakuten CPaaS dashboard. Stay informed and in control with :

Comprehensive Delivery Tracking

Monitor the success of every message sent with easy-to-understand analytics.

Downloadable Reports

Access detailed delivery reports in CSV format for in-depth analysis and record-keeping.

Carrier-Level Insights

Gain valuable understanding of message delivery performance across different carriers to optimize campaigns.

Campaign Management

Drive impactful campaigns with Rakuten CPaaS’s intuitive campaign management tools.  Design, schedule, and execute messaging strategies that deliver results

Template Manager

Save time and ensure consistency by creating reusable message templates for campaigns and frequent communications.

Distribution List Manager

Easily upload, edit, and segment your contact lists to target the right audience every time.

Schedule SMS

Plan your messages in advance and send them at scheduled dates and times via dashboard settings.

Confirm API

Boost your security with Rakuten CPaaS Confirm API — a seamless solution to deliver one-time PINs (OTPs) via SMS for smooth and reliable two-factor authentication. Simplify authentication processes and enhance user trust with a powerful API that automates OTP delivery and management, keeping your applications secure and user-friendly.

Short URL API

Maximize engagement and simplify sharing with Rakuten CPaaS Short URL API. Effortlessly generate and manage compact, trackable links that enhance campaign performance and deliver a seamless user experience—powered by Rakuten’s fast, reliable, and secure infrastructure.

SSO (Single Sign-On)

Enjoy easy login with a single authentication. With SSO, there's no need to remember multiple IDs and passwords or manually enter user information, enhancing work productivity and convenience. You only need to manage one strong account credential, minimizing the resources spent on login and password management while also strengthening the level of cloud security.

Security

Experience top quality and speed through Rakuten CPaaS servers located worldwide. All data is strictly managed and protected in accordance with international standards, backed by ISO 27001 and 9001 certifications. Enjoy safe and fast messaging services with Rakuten's robust cloud security solutions, ensuring privacy and reliability for every communication.

Rakuten CPaaS

Empower Your Business Communications

What is CPaaS?

Why CPaaS?

Why Rakuten CPaaS?

99.987% Availability, 99.9% SMS Deliverability

Seamless Communication Worldwide

Our Core Capabilities

Messaging

Dashboard

Campaign Management

Confirm API

Short URL API

SSO & Security

Free Trial

Case Study

Getting Started with CPaaS

Contact Sales

Frequently Asked Questions

Login to Symworld^™

Is A2P SMS the same as P2P SMS?

Where will the receipt be sent?

Can I test my account before creating it?

Can I combine the bill with that of other services?

Are there any restrictions on the content I can send via SMS?

How long will it take to be able to send SMS after signing up for the free trial?

Messaging

Dashboard

Comprehensive Delivery Tracking

Downloadable Reports

Carrier-Level Insights

Campaign Management

Confirm API

Short URL API

SSO (Single Sign-On)

Security

Rakuten CPaaS

Empower Your Business Communications

What is CPaaS?

Why CPaaS?

Why Rakuten CPaaS?

99.987% Availability, 99.9% SMS Deliverability

Seamless Communication Worldwide

Our Core Capabilities

Messaging

Dashboard

Campaign Management

Confirm API

Short URL API

SSO & Security

Free Trial

Case Study

Getting Started with CPaaS

Contact Sales

Frequently Asked Questions

Login to Symworld™

Is A2P SMS the same as P2P SMS?

Where will the receipt be sent?

Can I test my account before creating it?

Can I combine the bill with that of other services?

Are there any restrictions on the content I can send via SMS?

How long will it take to be able to send SMS after signing up for the free trial?

Messaging

Dashboard

Comprehensive Delivery Tracking

Downloadable Reports

Carrier-Level Insights

Campaign Management

Confirm API

Short URL API

SSO (Single Sign-On)

Security

Login to Symworld^™