Primer builds an AI-powered payments infrastructure platform for large e-commerce merchants to unify and manage multiple payment service providers.
$100MSeries C
A $100M Series C for payments infrastructure in 2026 signals that enterprise merchants are finally willing to pay for unified PSP management—the fragmentation problem is real enough to justify venture scale. Primer's likely burning this on sales/ops to land Fortune 500 e-commerce accounts and building out regional payment method coverage (the actual moat). If you're building any B2B SaaS that touches payment flows or merchant operations, watch how they position around compliance and settlement reconciliation—that's where the defensibility actually lives.