Argentine fintech Rebill raises $5.4M, targets 10x growth in 12 months

Rebill, an Argentine payment infrastructure fintech, raised $5.4 million from investors including Vercel's founder and a SpaceX executive. The company reports strong growth, quadrupling active merchants and tripling monthly volume in 2026. This signals continued venture capital interest in Latin American fintech, though the 10x growth target is ambitious and unverified.