WealthAPI has developed an AI-driven solution to identify recurring payments in bank transaction histories, addressing the challenges of traditional methods which struggled with scaling and relied on exact matches, missing subtle differences. The system uses vector embeddings to group transactions into recurring payment patterns, ensuring accuracy even when entries contain wording differences. WealthAPI's architecture is powered by DataStax Astra DB, a database platform purpose-built for modern, scalable, and AI-integrated workflows. Astra DB ensures scalability and responsiveness at each stage of the process, adhering to strict data security measures to protect end users' transactions. The system can efficiently search for similar transactions even with minor variations in details, thanks to its ability to store embeddings and run simple similarity searches. WealthAPI's use of Astra DB demonstrates how advanced database technology can drive innovation in financial analytics, delivering faster, smarter solutions to its clients.