The agentic payments stack is no longer a memo — it is a funded product category, and Natural is the first infrastructure company built for it from scratch. The US paytech has begun rolling out its payments infrastructure for artificial-intelligence agents on the back of a $30 million Series A led by Forerunner founder Kirsten Green, taking total funding past $40 million within a year of the company’s August 2025 founding, per TechCrunch’s reporting. The framing that matters for payments executives: incumbents are retrofitting agents onto card rails, while Natural is building rails that assume the buyer was never human. The round also fits the year’s defining capital pattern – fintech funding rose 23% in the first half of 2026 even as deal counts slumped, with investors concentrating bets on AI and financial infrastructure, according to Crunchbase News data. Natural sits at the exact intersection of both themes.
Natural was founded by Kahlil Lalji, Eric Wang and Walt Leung, reportedly sparked by a 15-page memo Lalji wrote on agentic payments, and reached its Series A just 193 days after launch, according to Tech Funding News. The company positions itself as the payments stack for AI agents — authentication, authorisation, compliance and settlement designed for software that transacts autonomously — territory that has drawn the “Stripe rival” label before the product is even fully public. The company’s announcement confirms the round and the rollout timing.
“Agents are going to become one of the most, if not the most, important financial actors in the global economy,” Lalji said in the funding announcement. “The question is not whether agents will move money. The question is who builds the infrastructure that makes agentic payments safe, reliable, compliant, and useful at scale. That is what we are building at Natural.” Green’s endorsement was characteristically consumer-inflected — she described Natural as having “consumer DNA” in an infrastructure company, per FinTech Futures.
The incumbent response is already visible, and it is defensive as much as expansionary. Adyen shipped its own agent-facing product in June — as The Industry Spread reported, Adyen launched Agentic to ride the AI-checkout protocol war — while Stripe has anchored its agent story to stablecoin rails. The demand side is moving just as fast: Robinhood’s agentic trading accounts crossed 100,000 in a single quarter, evidence that consumers will hand transaction authority to software far faster than compliance teams expected, and Ramp’s stablecoin accounts on Stripe rails show corporate spend moving the same direction. Natural’s bet is that neither the card networks’ bolt-on protocols nor stablecoin settlement alone solves the hard parts — agent identity, spend mandates, dispute liability — and that a neutral infrastructure layer wins the way Plaid won account connectivity.
The contrarian read deserves airtime, because the same consolidation logic that squeezed the last infrastructure cycle applies here. As The Industry Spread reported in July, payment orchestration is consolidating as merchant PSP estates shrink — a warning for any thin layer sitting between merchants and processors. If agentic checkout standardises around two or three protocols owned by Visa, Mastercard and the large PSPs, a venture-backed neutral layer has a narrow window to become the default before the standards close over it. Forerunner is effectively underwriting a land-grab race against the networks’ own working groups.
What happens next is measurable. Watch three things through Q4 2026: which merchant categories Natural’s rollout lands in first (subscription and procurement flows are the likeliest beachheads, because recurring mandates map cleanly to agent authority); whether any top-20 PSP integrates Natural rather than building in-house; and whether the card networks’ agentic-commerce specifications adopt open agent-identity standards or proprietary ones. A $30 million Series A does not buy a payments network — but it buys enough runway to be standing in the right place if agent-originated volume inflects the way Robinhood’s account numbers suggest it will.
Rick Steves
Rick Steves has seen business and economics through many lenses. He joined the financial services industry in 2009, and has been a financial journalist since 2011. He holds a degree in Business Administration and has experience producing real-time news, from both buy-side and sell-side, as well as for retail traders, brokers and service providers. Steves' work has appeared in a variety of online publications including FX Street, NewsBTC, FinanceFeeds, and The Industry Spread. Rick has great interest in the dynamics of the trading industry. The never-ending clash between technology, economics, regulation, and more importantly, the people.
