StellarFi is a fintech infrastructure company building white-label and private-label credit card rails for brands and platforms serving non-prime and near-prime consumers. Its technology enables companies to embed Visa-issued credit cards into their products without building the underlying stack, powered by a proprietary underwriting and servicing layer built for the complexity of thin-file and credit-damaged borrowers. The company's thesis is that the non-prime credit market is underserved not because of a lack of demand, but because of a lack of responsible, scalable infrastructure. Founded as a direct-to-consumer credit-building platform, StellarFi evolved into an infrastructure business after identifying that durable impact in non-prime credit requires reaching consumers at scale through trusted distribution partners rather than through a standalone consumer brand.