Causal Nexus

 Who are we?

Causal Nexus is a technology company based in South Africa that builds next generation payment systems. The company has extensive experience in the banking, payments processing and retail industries, and its founders were among the first to pioneer Electronic Funds Transfer (EFT) systems in South Africa.
We help you derive maximum value from your existing payments infrastructure through the application of proven core tech to rapidly deliver technology projects. 

1 000 000+

# of transactions processed

10 000+

coffees consumed

1 000+

Number of live systems running

$1 000 000+

value of transactions processed
our services

What’s in it for you?

Financial services api development

Unlock and generate value by becoming part of the API Economy.  Causal Nexus can help you navigate this exciting space by designing and implementing API’s to facilitate integration into both your internal and external environments.

keep you current

In a world where the payments landscape is constantly evolving, Causal Nexus can keep you cutting edge by extending the life of your existing infrastructure through the integration of its core technology into your current systems architecture.


We work with you to meet your specific needs, through the application of flexible agile project methodologies, to deliver quality projects, on time. 


We Collaborate Only With The Best

Have a Question?

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    Office Address

    Infinity business park, block b
    4 Pieter wenning road
    witkoppen, sandton

    Working Hours

    Monday-Friday: 8:00 – 17:00
    weekends: closed
    public holidays: Closed


    Telephone: +27 21 001 8100