What CapitalOS does

CapitalOS is a B2B embedded finance infrastructure provider founded in 2023 and headquartered in San Francisco. The company enables vertical SaaS platforms, marketplaces, and aggregators to embed financial products — credit and balance cards, expense management, bill pay (AP), payment collection (AR), and a yield-bearing business wallet — into their own products via a single API, with three integration modes ranging from a no-code turnkey subdomain to full SDK/API customization. CapitalOS absorbs the underlying regulatory and capital complexity that deters platforms from building financial products in-house, including KYB/KYC, BSA/AML, OFAC monitoring, Fair Lending, UDAAP, PCI DSS, SOC 2 Type 2 compliance, card issuance via First Internet Bank of Indiana on the Visa network, underwriting, risk modeling, warehouse facility management, and lender reporting.

The platform serves a portfolio of 15+ named platform integrations spanning field service (Workiz, Beam, Jobox), property management (Buildium, Guesty), HR (Adaptive), fintech (Lili), dental (Dentira), nonprofit (Givefront), legal ops (OPAL), restaurant ops (Restoke), and other verticals, with SMB end-customers as the ultimate users. The company is privately held, backed by $39 million in equity and debt financing led by Group 11 at its November 2023 stealth launch, with additional investors including Upper90, Vera, Great North Ventures, K5 Global, and Slow Ventures. CapitalOS employs a small, fully distributed team of senior operators and engineers across the U.S., and positions AI agents as core operating infrastructure for underwriting, compliance, risk monitoring, and customer support.

CapitalOS monetizes through enterprise contracts with platform customers (quote-based, not publicly disclosed), with revenue mechanics likely combining subscription, transaction-based interchange, and float-related components. Distribution is exclusively B2B — there is no direct end-customer acquisition motion, and all growth flows through platform partners. The company operates exclusively in the U.S. market, with Visa network acceptance providing global merchant reach but no active international platform expansion.

Name

CapitalOS

Legal name

CapitalOS, Inc.

Website

https://capitalos.com

Company type

Private

Founded year

2023

Operating status

Operating

Headcount range

11–50 employees

Short description

CapitalOS provides B2B embedded finance infrastructure via a single API, enabling vertical SaaS platforms to offer cards, expense management, bill pay, payment collection, and wallets to their SMB end-customers, with all compliance, underwriting, and capital handled in-house.

Ownership category

akta.pro rank

Product category

Embedded Finance Infrastructure

NAICS

Sales Financing (52222)

SIC

Finance Services (6199)

akta.pro primary industry

Merchant Cash Advance & Revenue-Based Financing Enablement (FSAGALAH)

akta.pro secondary industry

Stored Value Ledger / Wallet Infrastructure (Non-Bank) (FSAMANAM)

Keywords

• Embedded finance infrastructure
• B2B spend management
• Card issuance API
• Bill pay automation
• Expense management platform

Headquarters

HQ city

San Francisco

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Embedded Financial Infrastructure Fees: B2B platform customers pay for access to CapitalOS's embedded finance infrastructure, including card issuance, expense management, bill pay, and payment collection capabilities. Revenue likely combines subscription, transaction, and usage-based elements.

Go-to-market motion3 records

Distribution channels1 record

Marketing channels4 records

Core offering

CapitalOS provides embedded financial infrastructure for B2B platforms via a single API, enabling them to issue and use cards, pay bills, and manage cash. The company handles risk, underwriting, compliance (KYB/KYC, BSA/AML, OFAC), and capital management so platforms can launch financial products in days rather than months. Offerings are delivered through three modular integration modes: turnkey subdomain, embedded apps, or custom SDKs/APIs.

Product overview

CapitalOS is a B2B embedded finance platform providing spend management infrastructure for platforms. The offering is a unified modular system comprising six integrated financial products: Credit Cards and Balance Cards for spend and access to funds; Expense Management for real-time visibility and reconciliation; Business Wallet for cash storage with yield; and Bill Pay (AP) and Payment Collection (AR) for comprehensive accounts payable and receivable automation. All products are delivered through a single API with multiple integration modes (turnkey subdomain, embedded apps, or full SDK/APIs), allowing platforms to launch financial products in days rather than months. The platform handles underlying complexity including risk underwriting, compliance (KYB/KYC/BSA/AML), card issuing, and regulatory requirements.

Differentiator

Problem solved

Functional benefit

Products and services

• Credit Cards Unlimited business credit cards with credit limits typically 3-10x larger than traditional small-business cards, based on business performance. Enables B2B platforms to issue cards to end-users with built-in spend controls and real-time visibility.
• Balance Cards Pre-funded cards providing instant access to revenue, allowing businesses to use funds already received rather than waiting for traditional banking cycles.
• Expense Management Spend controls, real-time visibility, and automated reconciliation seamlessly built into every card. Enables automatic transaction categorization, receipt matching, and integration with accounting systems.
• Business Wallet Store and grow customers' cash with high yield from day one. Provides business savings functionality with competitive interest rates integrated into the platform.
• Bill Pay (AP) AI-powered invoice processing and payment automation with rich payment methods and cash flow control. Enables automated accounts payable workflows for B2B platforms.
• Payment Collection (AR) Automated invoicing and bank payments to help platforms' end-users get paid faster. Streamlines accounts receivable with automated reminders and multiple payment acceptance methods.

Quantifiable outcome

• Platforms can launch embedded financial products in approximately 1 week from kickoff to cards in customers' hands
• +4 more outcomes

Named customers16 records

Segments3 records

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

AI capability3 records

Feature7 records

Partnerships

Two partnerships are on record, tiered core.

• First Internet Bank of IndianacoreTechnology or IntegrationCard-issuing bank partner that provides the banking charter for CapitalOS cards. Cards are issued by First Internet Bank of Indiana pursuant to a license from Visa, Inc.
• VisacoreTechnology or IntegrationPayment network partner. CapitalOS cards operate on the Visa network, enabling acceptance at Visa merchants globally.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Highnote: Highnote is an embedded finance platform offering card issuance, accounts, ledgering, and payment products via API to fintechs and platforms. It targets a similar customer profile and product breadth as CapitalOS, including vertical SaaS and SMB use cases.
• Treasury Prime: Treasury Prime provides embedded banking infrastructure connecting fintechs to a network of sponsor banks, offering accounts, cards, ACH, and ledgering. It competes with CapitalOS in enabling B2B platforms to launch banked products quickly with compliance handled.
• Unit: Unit is a banking-as-a-service platform that enables companies to embed financial products (accounts, cards, payments, lending) into their products. It is the closest direct competitor to CapitalOS, targeting the same vertical SaaS and platform customer base with comparable API-first delivery.
• Synctera: Synctera is an embedded banking platform pairing fintechs and community banks to offer accounts, cards, and lending products. It targets a similar developer-and-platform customer segment as CapitalOS, including SMB-focused vertical SaaS use cases.
• Lithic: Lithic provides a card-issuing and payment infrastructure API for fintechs and embedded-finance builders, with strong developer tooling. It is comparable to CapitalOS in the card issuance layer though narrower in scope (cards vs. CapitalOS's full AP/AR/wallet stack).
• Column (bank-as-a-platform): Column is a chartered bank operating as a bank-as-a-platform, providing APIs for companies to embed accounts, cards, ACH, and lending. It directly overlaps with CapitalOS's embedded-finance infrastructure offering and competes for the same platform customers.

Broad incumbents

• Galileo Financial Technologies: Galileo (owned by SoFi) provides payment processing and card-issuing infrastructure to fintechs and banks. It is a broad incumbent in the same infrastructure layer CapitalOS targets, with deep enterprise penetration and a wide product portfolio.
• Marqeta: Marqeta is an established card-issuing API platform serving fintechs and enterprises globally with modern card processing and ledgering. It overlaps with CapitalOS's card issuance infrastructure but operates at a larger scale and broader enterprise tier.
• Stripe Treasury: Stripe Treasury is Stripe's embedded financial account product enabling platforms to offer banking services to their customers, backed by Stripe's developer-first platform and partner banks. It is a broad incumbent competitor to CapitalOS with vastly greater scale and ecosystem reach.

Others

• Plaid: Plaid provides financial data connectivity (account linking, balance, transactions) used by CapitalOS's platform customers for reconciliation and risk data. It is an adjacent enabling technology in the same embedded finance ecosystem rather than a direct competitor.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat6 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/capitalos
• Xx.com/CapitalOSInc

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds2 records

Investors5 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about CapitalOS