Slide, a US-based fintech startup, has successfully raised $25 million in a Series A round, with funding led by Base10 Partners, Outsiders Fund, and Top Down Ventures. The funding marks a pivotal milestone for Slide as it accelerates its mission to modernize B2B payments through automation, smart workflows, and AI-enhanced compliance.

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Streamlining B2B Payments with Smarter Technology

Slide is emerging as a powerful player in the fast-growing B2B payments automation space. Founded by Michael Fass, the company addresses long-standing inefficiencies in vendor payment systems, reconciliation, and financial operations.

With this new round of capital, Slide plans to scale its engineering teams, deepen integrations with ERP platforms, and expand its client base across mid-sized and enterprise-level organizations. The goal? Enable finance teams to execute payment workflows in seconds rather than days, reducing error rates while ensuring auditability and compliance. 

Founders in fintech often believe the winning edge lies in speed - but Slide’s playbook suggests otherwise. The real defensibility in financial tech lies not just in speed, but in embedded trust. Slide’s architecture isn’t just fast - it’s designed to anticipate errors, flag anomalies, and align with compliance policies before an action is taken. That shift - from reactive auditing to proactive controls - is where founders should focus. If your product can predict and prevent costly mistakes without slowing down users, you don’t just reduce friction - you make yourself indispensable to the organization.

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Why It Matters Now: The Fintech Shift Toward Intelligent B2B Infrastructure

The B2B payments industry is at a crucial inflection point. As companies digitize back-office functions and CFOs demand more transparency and control, automated payment systems are no longer a luxury - they're a necessity. A 2024 report from McKinsey projects that 75% of B2B transactions globally will be digital by 2027, driven largely by the rise in AI-assisted financial ops and cloud-native finance platforms.

In the U.S. alone, the B2B payments market is expected to exceed $1.9 trillion by 2028, according to Statista, with growth fueled by sectors like SaaS, logistics, healthcare, and professional services. Yet more than 50% of mid-sized enterprises still rely on spreadsheets and email chains to approve and process payments - creating the very friction Slide is designed to eliminate.

Additionally, Gartner research highlights that companies adopting AI-powered financial tools report 20–40% increases in operational efficiency within their first year of deployment. Slide's positioning directly addresses this shift, as it builds a platform that is both AI-native and enterprise-compliant from day one.

By focusing on both usability and compliance - and securing strong investor backing - Slide is set to capitalize on a once-in-a-decade opportunity to reshape how businesses manage money movement and financial trust.

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A Rapidly Growing Market with Deep Pockets

The B2B payments market is undergoing significant transformation. Traditionally dominated by manual processes, checks, and outdated systems, the sector is now one of the fastest digitizing segments of fintech.

According to Allied Market Research, the global B2B payments market was valued at $1,218.3 billion in 2022 and is projected to reach $2,515 billion by 2032, growing at a CAGR of 7.4%. Much of this growth is fueled by enterprise demand for scalable, secure, and intelligent payment systems that reduce operating costs and improve cash flow management.

Slide is positioning itself at the center of this shift, leveraging AI and no-code workflows to help businesses pay vendors, manage approvals, and stay compliant - all in one unified interface.

Backing from Top-Tier Investors

Slide’s $25 million round includes a stellar lineup of investors:

• Base10 Partners, known for backing automation-focused startups.
  
• Outsiders Fund, a venture firm that supports unconventional founders.
  
• Top Down Ventures, a firm known for operational expertise and fintech specialization.
  

This strong backing will help Slide go beyond product development into strategic partnerships, particularly with accounting and procurement platforms that are critical to capturing long-term B2B market share.

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Slide’s Broader Mission

More than just a payment processor, Slide positions itself as a compliance-first financial automation platform. Its unique differentiators include:

• AI-powered anomaly detection in payment sequences.
  
• End-to-end audit trails that reduce accounting risk.
  
• Custom approval chains tailored for large-scale enterprises.
  

In a time when CFOs are under pressure to do more with less, Slide offers a compelling value proposition: reduce time spent on manual processes while improving governance, accuracy, and speed.