Primer’s Series C Signals a New Phase for AI Payment Infrastructure
Primer’s latest Series C funding round, worth USD 100 million (approx. RM460 million) and led by Sofina with participation from Peak XV Partners and existing investors, marks a defining moment for AI payment infrastructure. Launched in 2020 by former leaders of Braintree and PayPal, Primer has positioned itself as a unified payments infrastructure layer spanning the entire lifecycle from checkout to payout. The company now manages more than 95% of payment volume, on average, for its customers and processes billions of transactions annually for brands like GetYourGuide, Dialpad and Printful. The fresh capital lifts Primer’s total funding to USD 170 million (approx. RM782 million), underlining strong investor conviction that the next generation of payments will be built on AI-enhanced, unified systems rather than fragmented stacks of processors and tools. This round illustrates how investors are prioritising platforms that blend scale, data completeness and automation-ready architecture.
Why Unified Payments Processing Is Becoming a Magnet for Capital
Investors are backing unified payments processing because fragmentation has become a structural risk for enterprises turning to AI. Many organisations still spread transactions across multiple processors, acquirers and fraud tools, creating disconnected data silos that limit visibility and degrade decision quality. Primer’s model tackles that challenge by sitting across the entire payments lifecycle, capturing more than 400 data points per transaction and consolidating nearly all payment volume onto a single operating layer. This unified view gives finance and payments teams a complete, contextual data foundation before deploying AI. Venture firms like Sofina and Peak XV see this architecture as critical as merchants consolidate onto fewer platforms and embed intelligence deeper into operations. The funding momentum around such platforms indicates that the market is rewarding vendors capable of simplifying complex payment workflows while providing the data richness required for robust, AI-driven optimisation.
AI as a Differentiator: From Insights to Autonomous Payment Decisions
What distinguishes the newest wave of payments platform funding is the shift from basic analytics to autonomous AI decision-making. Primer’s proprietary AI agent, Primer Companion, exemplifies this evolution. Initially released as an insights tool to answer complex payment questions and surface contextual recommendations, it is now being expanded into an engine that can run experiments, optimise performance and execute decisions within merchant-defined parameters. With a unified data layer spanning hundreds of fields per transaction, Companion can move beyond dashboards towards real-time routing, risk assessment and operational responses. This transition matters for enterprises dealing with intricate transaction workflows and fraud risks that exceed human monitoring capacity. As every significant payment decision becomes initiated, optimised or audited by AI, platforms that combine deep data context with agent-based automation are emerging as clear differentiators in a crowded payments infrastructure market.
Series C Rounds Reflect Enterprise Readiness for AI-Driven Finance
The scale and composition of Primer’s Series C funding round highlight how far enterprise adoption of AI-powered financial tools has progressed. Sofina’s leadership in the round, alongside participation from Peak XV and all existing backers such as Accel, Balderton, ICONIQ, Tencent and Speedinvest, suggests that sophisticated investors believe AI will soon sit at the heart of every transaction decision. Their thesis is that enterprises no longer view AI in payments as experimental; instead, it is becoming core infrastructure for revenue optimisation, risk management and operational resilience. Primer’s traction with demanding merchants across ecommerce, travel, fintech and digital platforms reinforces this view. As recurring revenue grows and expansion plans accelerate in major markets, similar Series C funding rounds are likely to cluster around platforms that have already proven they can handle billions of transactions while embedding AI deeply and safely into mission-critical payment flows.