BSG utilizes HTTP cookies (and similar or complementary technologies) to 1) make this website safe, functional, and accessible (through the use of mandatory cookies) and 2) understand how you use our website (through the use of optional cookies) in order to improve your experience and to provide you with personalized content.

The information in the cookie text files may be related to your personal preferences or your device and is intended to make the site operate according to your expectations. The information contained in cookies does not usually identify your identity directly but is helpful in providing you with a more personalized user experience.

In accordance with the requirements of the General Data Protection Regulation (GDPR) privacy and security law that governs how the personal data of individuals in the EU may be processed and transferred, we provide you the possibility to prohibit the use of certain types of cookies when you use our website.

Read our Cookie Notice and the Privacy Policy for detailed information on how BGS collects and uses cookies. Please note that prohibiting the use of certain types of cookies may affect your interaction with the website and limit the accessibility of services we offer you. Choose the appropriate category below to learn more and to disable cookies.

Accept All cookies*

*Recommended for comfortable use of the site

Accept only necessary cookies

Accept only selected cookies

Necessary cookies

Social media

Analytics

Marketing

BSG migrated to the new DevPortal
to ship the latest One API versions faster

Use it for up-to-date endpoints, guides, and changelogs

Go to the new DevPortal

BSG Docs for Developers

Explore handy BSG API documentation and guides that let you interact with our platform and implement
the main features into your project. Get started, integrate and automate using your favorite languages.

API Documentation

All communication tools — in one flexible API. Fast to integrate, easy to scale, and built for real-time results across SMS, Email, RCS, and Voice.

Transactional Emails

Send transactional emails seamlessly and track delivery status with the BSG Email API. Easily integrate with your CRM or CMS to automate email flows, ensuring personalized and timely communication for your users.

Read Docs

RCS

Launch campaigns and gain full tracking of your clients' behavior in real-time. Check delivery and open rates, monitor clicks on call-to-action buttons, view link statistics, and more with a simple connection.

Read Docs

SMS

Send transactional and bulk SMS, view and receive SMS status, and retrieve the price automatically via flexible BSG SMS API. Transmit user data from your CRM or CMS into your BSG account to automate...

Read Docs

Viber

Reach clients on the fast-growing messaging app through streamlined BSG API integration, supported by Viber. Send timely, targeted, and relevant Viber campaigns to any country across the world.

Read Docs

2FA

Increase the security of clients’ data on website and application by integrating SMS one-time password via RESTFUL API. Add the authentication level to your project by embedding a special code into your.

Read Docs

Number Verifier

Get a quick response about the status of your customers: active, in roaming, or ported to keep the database valid. Set up automatic phone number verification before adding to the address book or...

Read Docs

MNP

Check whether the phone number of your client is ported automatically. It helps to know the exact cost of each SMS campaign and use high-quality routes that ensure fast delivery. Based on an advanced ENUM...

Read Docs

Short URL

Cut links and make them branded to increase awareness and track conversions automatically on your platform or website. The ready-made service integration with SMS tools helps to scale the power of...

Read Docs

Alina Yastremska

Outbound manager, Growe

“The Voice Assistant in BSG handled all requested languages and even detected emotional tone to escalate the dialogue — no scripts needed”

Maryna Bondarenko

CEO, Sunny Way

“Deployment took two days. Within a week, the bot was handling 40% of repeat requests without live agents.”

Marko Bregant

Head of Marketing Department, Poliklinika Identalia d.o.o

“BSG Voice Assistant sounds natural, adaptive, and human — not like a call center robot. Dialogues switch smoothly between 2 languages in real time.”

Tom Becker

CTO, Medikit Systems

“From onboarding to post-launch support, BSG made us feel like a top-tier client. The level of ownership and technical competence they bring is rare in CPaaS.”

Nico Brandt

Marketing Automation Lead, RivoTech

“It’s not just about the tools. With BSG, we have a real partner — proactive, transparent, and focused on our results. That’s what made the difference.”

Libraries

Pre-built libraries for quick integration. Use ready-made clients for PHP, Node.js, and Go to connect with the API faster and start sending in minutes.