About us
Smart financial decisions
wealthAPI GmbH is the leading provider of wealth management interfaces in Germany and is registered with BaFin as an account information service. The founders have been developing and implementing suitable multi-banking and multi-custody solutions for B2B customers and their applications in Berlin 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.
The Key Numbers,Data & Facts AboutwealthAPI
Market experience since 2014
BaFin and FMA regulated
Licensed Account Information Service Provider (BaFin)
Authorized financial services provider in Austria (FMA)
3500+ bank connections
Direct API to comdirect, Trade Republic, Whitebox, Quirion, Scalable ...
wealthAPI management
André RabensteinFounder & CEO
André Rabenstein has over 25 years of experience in the financial industry, having worked in roles including sales and business development at Deutsche Bank and comdirect. Driven by the vision to revolutionize the sector, he founded Rentablo GmbH in 2014, a leading fund discounter with cashback. In 2023, he also initiated wealthAPI GmbH. In addition, André is actively involved in financial education as an advisor and investor, and he continues to actively drive the digitalization of the financial industry.
Dr. Wolfram StackliesFounder & CTO
Wolfram Stacklies has over two decades of experience in full-stack development and specializes in creating robust and scalable software solutions. His doctorate in Computational Biology provides him with a deep understanding of data analysis and machine learning techniques. As a data science specialist, Wolfram is skilled at gaining meaningful insights from complex biological datasets and applying these skills to tackle critical challenges in this field.
Susanne KrehlChief Growth Officer
Susanne Krehl has over fifteen years of experience in the fintech sector and was named a “Women in Banking and FinTech 2023” by Handelsblatt. Most recently, she founded the personal finance startup Fabit. Previously, she was responsible for the expansion of Barzahlen/viafintech as its Managing Director. Her expertise in scaling business models within the financial technology sector contributes to achieving wealthAPI’s ambitious growth targets and its strategic positioning in light of FiDA regulation. Susanne also founded the Fintech Stammtisch Berlin and serves as the Berlin Ambassador for the Fintech Ladies.
Gregor PuchallaChief Product Officer
As a creative product manager and passionate entrepreneur with extensive experience in the fintech industry, Gregor Puchalla specializes in developing innovative software solutions. His focus is on new business models in the areas of investment, corporate finance, and wealth management. As a founder and managing director, he has a proven track record of leading complex fintech projects and possesses an excellent network. His enthusiasm for the stock market and innovative financial products motivates him to support the growth of wealthAPI with his experience and forward-thinking mindset.
Ulrike CzekayChief of Staff
Ulrike Czekay has more than 15 years of experience in communications with a focus on startups and fintechs. In her career, she has been responsible for various rebranding and expansion projects, including the renaming of Barzahlen to viafintech/viacash as well as their European expansion and integration into the Paysafe Group after the exit. At wealthAPI, she leads communications & marketing and drives strategic initiatives for operational excellence. Ulrike is also a dedicated advocate and active member of the Fintech Ladies community.
Robert BölkeAdvisory Board
Robert Bölke supports wealthAPI as an advisor on strategic matters concerning client relationships, markets, marketing, and sales. As an expert in Digital Strategies and Operating Models in the banking sector, he was previously employed at Sopra Steria Next and also served as the head of the Financial Portals product group at Ariva AG. He currently heads the Competence Center CRE at LBBW.
Martin SteinmeyerAdvisory Board
Martin Steinmeyer supports wealthAPI as an advisor on strategic matters concerning product development and investor relations. With more than 20 years of experience in the broker pool and liability umbrella business, he possesses excellent market knowledge and has been the Chairman of the Board of Netfonds AG since 2021.
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”. With us, companies receive the complete range of services from a single source, from the product to processing to the in-house technology stack.
With our solutions, our partners can provide their users with valuable insights through intelligent analysis of transaction and securities data. This enables users to make better decisions based on data rather than assumptions.
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