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OpenPAYGO™ Token

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Hardware and software agnostic technology to enable PAYGO functionality in any device and make products PAYGO compatible.

The free and secure Open Source Token System to make any product PAYGO compatible

Access the source code files of OpenPAYGO™ Token 
and join the PAYGO revolution!

* OpenPAYGO Token technology is free for anyone to use. The Token Integration and testing can be done on your own. If you need assistance for the testing or implementation, SolarisLab can provide it on a consulting basis.

About PAYGO Technology

With digital finance innovations such as mobile money and "pay-as-you-go" (PAYGO) technologies in the fields of energy, water supply, or even agriculture, millions of people at the Bottom-of-the-Pyramid are now able to access essential services through affordable financial transactions.


PAYGO enabled products and solutions allow end-users to digitally pay for energy in small instalments through a pre-paid "rent-to-own" model, thus unlocking affordability for low-income customers and greater commercial viability for distributors. 


OpenPAYGO™ Suite is brought to you by SolarisLab and regroups three open source technologies: OpenPAYGO™ Token and OpenPAYGO™ Link and OpenPAYGO™ Metrics

Copyright © 2023 Eternum LTD T/A Solaris Offgrid, All rights reserved.

Lock-in ecosystems 

Paygo Lock in ecosystems

PAYGO systems and software platforms tend to be locked into closed-source ecosystems. Overall, this lack of interoperability creates unnecessary costs and bottlenecks across the industry:


  • Distributors operating with PAYGO devices locked into compatibility with only one software provider. 

  • Manufacturers spending time integrating different devices with each software provider.

  • PAYGO software providers developing their own PAYGO mechanisms to support manufacturers with the integration protocol. 

Why open-source?

Open source technology is an important driver for interoperability. Creating standards to facilitate the adoption of PAYGO products will help accelerate rural or low-income community's access to life-changing amenities such as energy, water supply, health, or digital services.


In addition, it will create cost reductions across the industry by facilitating the integration of standardized communication protocols across multiple PAYGO systems and eliminate the need for new PAYGO mechanisms. 

Paygo Open source PaygOps interoperability

Our Technology

Open source PaygOps Technology

OpenPAYGO™ Token provides manufacturers operating PAYGO-enabled devices with a secure way to remotely control the activation of end-user devices via a token system. 
This token system can then be integrated with any PAYGO software platform, either by directly implementing the token encoding algorithm or by encapsulating it in a microservice with an API for generating the codes.    

Download your Innovation Package

The innovation package includes an open-source and well-documented PAYGO technology suite to facilitate implementation. 


The suite includes:

  • A guide to understanding the different costs, compromises and overall pros and cons in the choice of code-based (i.e. keypad-based) PAYGO systems; 

  • Documented source codes to implement in the servers and devices;

  • An example implementation allowing manufacturers to quickly implement the technology from scratch or adapt their existing devices to implement it. 

  • Hardware schematics and layouts

OpenPAYGO Suite paygo technology package


OpenPAYGO suite security

The security of the algorithm and the implementation has been reviewed by several industry specialists and got a thorough formal audit from a cryptography expert.


Like most systems used to secure online banking nowadays, the fact that the software is open source does not reduce its security. Even if everybody knows how it works, it is perfectly secure for each distributor or manufacturer as long as they keep their key secret.

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OpenPAYGO™ Suite is brought to you by SolarisLab and regroups three open source technologies: OpenPAYGO™ Token, OpenPAYGO™ Link, OpenPAYGO™ Metrics and OpenPAYGO™ Pass

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