Natural Secures $100M Credit Facility from Upper90 to Power AI Agent Payments

Natural has secured a credit facility of up to $100 million from Upper90 Capital Management, LP, marking a pivotal moment for the emerging agentic economy. For fintech professionals, this signals that AI agents are transitioning from experimental tools to high-volume financial actors requiring institutional-grade liquidity and credit infrastructure to function autonomously.

What was announced

Natural, a fintech firm developing the foundational payments stack for AI agents, has entered into a financing agreement with Upper90 Capital Management, LP for a credit facility totaling up to $100 million. This capital injection is specifically designed to address the liquidity gap inherent in global money movement, where transactions often require capital to be extended before final cash settlement occurs.

The facility provides Natural with the necessary balance sheet capacity to support the credit and payment needs of autonomous agents. As these agents begin to transact programmatically across the global economy, Natural anticipates that their demand for credit will grow at a rate significantly higher than traditional human-led payment sectors. The infrastructure being built allows these digital entities to move money, access capital, and accept payments without manual intervention.

This debt financing follows a series of equity rounds totaling more than $40 million. Natural’s investor base includes prominent names such as Forerunner, Human Capital, Abstract, Bridge, Brex, Mercury, Privy, Vercel, Notion, Increase, Unit, and Figure. The new facility is intended to scale alongside Natural’s growth, moving from initial deployments to supporting billions of dollars in transaction volume as agentic commerce matures.

"We believe agents will become the primary financial actors of the global economy, and the infrastructure supporting them will need to operate at a scale that's difficult to comprehend today. For us, the question wasn't just who could provide capital today. It was who shared our view of where this is going and could scale with us from our first million dollars of deployed credit to our first billion. Upper90 is that partner."

Kahlil Lalji, CEO and Co-founder of Natural.

The companies involved

Natural is a specialized fintech provider focused on the "agentic payments" vertical. Operating from its platform at natural.co, the company is building a full-stack financial infrastructure that enables AI agents to operate as independent economic participants. Unlike traditional payment gateways designed for human checkout experiences, Natural’s technology is built for programmatic, high-velocity transactions where the decision-maker is an autonomous software agent rather than a person.

Upper90 Capital Management, LP is a hybrid investment firm that provides tailored credit and equity solutions to technology-driven businesses. The firm often steps in to provide the asset-intensive capital necessary for fintechs to scale their lending or payment operations. By partnering with Natural, Upper90 is positioning itself at the forefront of a shift in commerce where software agents, rather than human consumers, drive the majority of transaction volume. The partnership reflects a shared thesis that payments infrastructure for AI is not merely a software challenge but a capital-intensive requirement that demands significant credit availability to handle settlement delays at scale.

What FF News has reported before

FF News has closely tracked Natural’s rapid ascent in the agentic payments space. We previously covered the company’s emergence in Fintech Natural Launches With $9.8M Seed Round to Power Agentic Payments, which detailed the initial vision for autonomous financial transactions. Following its seed success, the company significantly accelerated its roadmap, as reported in Natural Secures $30M Series A to Power Payments for Autonomous AI Agents. These prior milestones established the equity foundation that has now enabled the firm to secure this much larger $100 million credit facility.

What this means

This move validates the "agentic economy" as a legitimate asset class for credit providers. By securing $100 million, Natural is acknowledging that software alone cannot solve the friction of T+N settlement cycles; you need hard cash to bridge the gap. Traditional banks should be under pressure here; if they fail to provide the APIs and credit logic required for autonomous agents, specialized players like Natural will capture the next trillion-dollar payment vertical. The key metric to watch next is the "velocity of agentic capital"—how quickly these agents cycle through credit lines compared to traditional corporate cards or consumer revolving credit.