Stitch announced an official $25 million Series A funding round led by a16z, with participation from Arbor Ventures, COTU Ventures, Raed VC and SVC. The company said it offers a unified platform and API designed to replace fragmented legacy systems for financial institutions. Previously disclosed company metrics said Stitch’s platform processed more than $5 billion in volume over the past six months, while its 2025 customer count increased 10 times and revenue rose 20 times.