Open Finance Software
made in Berlin, Germany

We are the market leader for
personalized financial services.

wealthAPI GmbH is the leading provider of wealth management interfaces in Germany and is registered with BaFin as an account information service. Based in Berlin, we have been developing and implementing appropriate multi-banking and multi-custody solutions for B2B customers and their applications since 2014.

Software solutions for aggregating and analyzing financial data.

As a software manufacturer and service provider in the financial sector, wealthAPI delivers simple and secure cloud solutions for aggregating and analyzing financial data. The focus is on B2B2C software solutions in the areas of open finance, data intelligence, KYC and portfolio management. Our potential customers include banks, online platforms, financial service providers and companies in other sectors.


Facts &


Market experience since 2014


BaFin am FMA regulated


Registered account information service in Germany (BaFin)


Authorized financial services provider in Austria (FMA)


3500+ bank connections


Direct API to comdirect, Trade Republic, Whitebox, Quirion, Scalable ...

We make successful players more successful!

Our vision is to become the leading wealthAPI fintech and the preferred partner for open wealth solutions across Europe.

wealthAPI enables access to banking, brokerage and crypto accounts and thus valuable financial data. Our aim is to enable companies to implement innovative personal wealth solutions and make their users happier and more valuable.

The wealthAPI team

Get to know the management team.


André Rabenstein
Founder & CEO

  • 25+ years experience in finance
  • “Geldlehrer” since 2012 (Private German association providing financial education in schools)
  • 5+ years sales and business development at Deutsche Bank and comdirect


Dr. Wolfram Stacklies
Founder & CTO

  • 20+ yrs full-stack development
  • Specialist for data science
  • PhD in computational biology


Robert Bölke
Advisory Board

  • Supports as a consultant in strategic questions regarding customer relations, markets, marketing & sales
  • Expert for digital strategies and operating models in the banking sector at Sopra Steria Next and former head of the financial portals product group at Ariva AG

Dr. Olaf Conrad
Advisory Board

  • Supports as a consultant in strategic questions regarding customer relations and communication
  • Has acquired a profound overview of the media industry in over 20 years at the Bertelsmann Group and knows the publishing business inside out

wealthAPI employs staff from eight nations, over 80% of whom are software developers. Our team is complemented by experienced experts and creative minds in customer service, PR/marketing and product management.

We are a true fintech and live both “fin” and “tech”. We provide companies with the complete range of services from a single source, from the product and processing to the in-house technology stack.
With our solutions, our partners can provide their users with valuable insights through the intelligent analysis of transaction and securities data. This enables users to make better decisions based on data rather than assumptions.