Greycroft

Founded in 2006, Greycroft is a venture capital firm based in New York and Los Angeles. With over $1 billion under management, it focuses on early-stage investments in consumer internet, financial technology, healthcare, and enterprise software sectors across the United States. The firm leverages its extensive network of media and technology industry connections to help entrepreneurs gain visibility, build strategic relationships, and bring products to market.

William Agathis

Investor

Brentt Baltimore

Principal

Adam Boutin

Partner

Brian Bustamante-Nicholson

Partner

Nick Crance

Principal

Conor Deveney

Principal

John Elton

Partner

Livi Grant

Investor

Alaina Hartley

Investor

Jen Hilibrand

Investor

Alan Patricof

Chairman and Co-Founder

Dylan Pearce

Partner

Massimo Pennisi

Principal

Carley Phillips

Investor

Katherine Power

Partner

Elaine Russell

Principal

Peter Saperstone

Partner

Ali Schleider

Senior Associate

Dana Settle

Partner

Ian Sigalow

Partner

Bryan Subijano

Principal

Mark Terbeek

Partner

Marcie Vu

General Partner

Past deals in API

Salsa

Series A in 2025
Salsa develops a modern payroll API for software platforms. Its platform caters to today's workforce needs, offering a wide range of payroll use cases without burdening frontend code with business logic. It enables businesses to embed payroll workflows into their platforms, ensuring employees are paid accurately and compliance is handled.

Hippocratic AI

Series A in 2024
Hippocratic AI specializes in developing large language models focused on safety and patient-facing applications within the healthcare sector. Unlike common approaches that rely heavily on internet data, Hippocratic AI prioritizes acquiring evidence-based healthcare content legally to ensure accurate and reliable information.

Coactive AI

Series B in 2024
Coactive AI is a machine learning platform focused on transforming unstructured image and video data into actionable insights. By providing an application programming interface, the company empowers data practitioners and teams to effectively utilize visual data alongside conventional big data tools. Coactive AI employs advanced techniques in data-centric artificial intelligence to enhance the usability of visual data, allowing analysts to derive meaningful insights quickly and efficiently. The platform aims to simplify the challenges associated with managing unstructured data, making it accessible and valuable for data-driven decision-making.

Mesh

Seed Round in 2024
Mesh Digital Services Inc. is a Seattle-based company founded in 2019 that specializes in developing an on-demand B2B platform for verifying professional licenses and certifications. This platform is designed to serve a variety of sectors, including esthetics, home services, healthcare, and childcare, by verifying the credentials of service providers and marketplaces. Mesh offers a range of solutions that facilitate real-time identity verification and compliance monitoring for small and medium-sized businesses, as well as sole proprietorships. Its innovative API for Professional License Verification streamlines the onboarding process for contractors and merchants, significantly enhancing conversion rates and ensuring ongoing compliance with industry standards. The company’s efforts aim to reduce friction and risk associated with business onboarding, positioning Mesh as a vital tool for companies seeking to maintain legitimacy and compliance in their operations.

Salsa

Seed Round in 2023
Salsa develops a modern payroll API for software platforms. Its platform caters to today's workforce needs, offering a wide range of payroll use cases without burdening frontend code with business logic. It enables businesses to embed payroll workflows into their platforms, ensuring employees are paid accurately and compliance is handled.

Frankieone

Series A in 2022
FrankieOne is a technology company that offers a comprehensive onboarding and fraud-prevention platform, integrating over 350 third-party identity verification and fraud-prevention data sources across 46 countries into a single API. The platform is designed to assist banks, fintech companies, and other regulated entities in managing Know Your Customer (KYC) processes, anti-money laundering measures, and fraud monitoring. By providing a unified interface, FrankieOne enables organizations to efficiently handle regulatory compliance, make informed decisions, and streamline customer onboarding. This flexibility allows businesses to activate necessary geographies and services as needed, thereby enhancing their capacity for innovation and rapid scaling.

Credit Key

Venture Round in 2022
Founded in 2016, Credit Key is a Los Angeles-based company that develops a business-to-business (B2B) credit and payments platform. It offers a patented pay-over-time financing solution for B2B e-commerce merchants, enabling fast financing approval and driving better sales.

Pie Insurance

Series D in 2022
Pie Insurance is a technology-enabled workers’ compensation insurer that provides online coverage to small businesses. The company uses high-quality data sets and analytics to segment and price policies, assess risk, and pass savings to owners, supported by an online experience and a price predictor that estimates risk profiles and pricing. It began selling policies in 2018 and is based in Washington, DC, led by co-founder and CEO John Swigart. Pie targets small and medium-sized enterprises, aiming to increase transparency in coverage and empower business owners to make informed purchasing decisions. The business emphasizes straightforward, data-driven underwriting and seeks to expand through strategic initiatives to offer scalable workers’ comp solutions via a digital platform.

Quiltt

Seed Round in 2022
Quiltt streamlines fintech innovation by offering a single integration point for accessing top-tier account aggregation and transaction enrichment services. This enables financial innovators to focus on product differentiation while Quiltt handles the complexities of data sourcing.

Klasha

Seed Round in 2022
Klasha is a global technology company that provides a platform and APIs to move money to and from emerging markets. The platform enables businesses to collect and send payments and hold exotic currencies through an extensive API stack, supporting cross-border transactions for enterprise clients. It offers secure, fast payment processing, multi-currency settlement, and developer-friendly integration to simplify international commerce in emerging markets. Founded in 2021 by Jess Anuna, Klasha supports more than 120 currencies, with the aim of saving merchants time and money on cross-border payments.

SailPlan

Series A in 2022
SailPlan is a company focused on enhancing data management within the marine industry, specifically for ships and yachts. It develops a data infrastructure platform that facilitates the collection, processing, and analysis of real-time, high-resolution data related to water traffic. By leveraging APIs and other integrations, SailPlan's solutions enable marine vessels to optimize their operations, leading to improved efficiency, reduced fuel consumption, lower emissions, and better predictions for engine maintenance. This tailored approach aims to enhance safety and profitability for marine applications.

Databento

Series A in 2021
Databento is a company that specializes in providing streamlined access to financial market data. Founded by experienced traders and engineers from renowned quantitative hedge funds, Databento offers a self-service platform that allows users to quickly obtain live exchange feeds and extensive historical data. The platform automates data licensing and minimizes onboarding time, making it easier for businesses and financial institutions to access high-quality, institutional-grade data directly from the source. Databento's servers are strategically located in colocation facilities at various trading venues, ensuring low-latency and reliable data capture. Users can choose between a pay-as-you-go model or flat-rate pricing, allowing them to manage costs effectively according to their data usage needs.

Frankieone

Series A in 2021
FrankieOne is a technology company that offers a comprehensive onboarding and fraud-prevention platform, integrating over 350 third-party identity verification and fraud-prevention data sources across 46 countries into a single API. The platform is designed to assist banks, fintech companies, and other regulated entities in managing Know Your Customer (KYC) processes, anti-money laundering measures, and fraud monitoring. By providing a unified interface, FrankieOne enables organizations to efficiently handle regulatory compliance, make informed decisions, and streamline customer onboarding. This flexibility allows businesses to activate necessary geographies and services as needed, thereby enhancing their capacity for innovation and rapid scaling.

Klasha

Seed Round in 2021
Klasha is a global technology company that provides a platform and APIs to move money to and from emerging markets. The platform enables businesses to collect and send payments and hold exotic currencies through an extensive API stack, supporting cross-border transactions for enterprise clients. It offers secure, fast payment processing, multi-currency settlement, and developer-friendly integration to simplify international commerce in emerging markets. Founded in 2021 by Jess Anuna, Klasha supports more than 120 currencies, with the aim of saving merchants time and money on cross-border payments.

Mapped

Seed Round in 2021
Mapped automates the discovery, extraction, and normalization of real-time data from building systems, sensors, devices, and APIs in commercial real estate. Its platform breaks data silos, empowering owners and operators to unlock value from their data.

Boost

Series B in 2021
Boost Insurance USA, Inc. specializes in providing a comprehensive platform for insurtech startups in the property and casualty insurance sector. Established in 2017 and headquartered in New York, Boost offers an infrastructure-as-a-service solution that simplifies the creation and management of insurance products. The platform enables technology companies and emerging startups to seamlessly embed insurance offerings into their existing systems, significantly reducing costs associated with operational, compliance, and capital requirements through straightforward API integration. Boost automates essential processes such as policy administration, claims management, and regulatory compliance, allowing partners to concentrate on enhancing customer experiences and innovating their insurance products. The company is licensed to produce both commercial and personal lines of insurance across all 50 states, delivering modern, 'A'-rated insurance solutions that are backed by leading industry players.

Speechki

Pre Seed Round in 2021
Speechki is a text-to-speech platform that provides an efficient solution for converting written content into audio. Catering to a diverse audience, the platform offers over 500 AI-generated voices in 77 languages, enabling users to create engaging audio content tailored to their needs. Its cloud-based system allows for easy uploads of text, selection of voice types, and customization of sound, making it suitable for publishers, content creators, marketers, educators, and business owners. Notably, Speechki features a ChatGPT plugin, recognized as the only approved text-to-audio solution in the ChatGPT store, streamlining the process of transforming ChatGPT-generated text into ready-to-use audio. With a user-friendly interface, Speechki simplifies the creation and sharing of audio content, enhancing accessibility and engagement across various platforms.

Pie Insurance

Series C in 2021
Pie Insurance is a technology-enabled workers’ compensation insurer that provides online coverage to small businesses. The company uses high-quality data sets and analytics to segment and price policies, assess risk, and pass savings to owners, supported by an online experience and a price predictor that estimates risk profiles and pricing. It began selling policies in 2018 and is based in Washington, DC, led by co-founder and CEO John Swigart. Pie targets small and medium-sized enterprises, aiming to increase transparency in coverage and empower business owners to make informed purchasing decisions. The business emphasizes straightforward, data-driven underwriting and seeks to expand through strategic initiatives to offer scalable workers’ comp solutions via a digital platform.

Flutterwave

Series C in 2021
Flutterwave is a global payments technology company that enables businesses worldwide to accept payments from customers globally via web and mobile. It offers services such as Flutterwave Checkout, API for virtual card management, invoicing, payment links, and more, serving industries like gaming, events, transportation, hospitality, and individuals.

Credit Key

Series A in 2020
Founded in 2016, Credit Key is a Los Angeles-based company that develops a business-to-business (B2B) credit and payments platform. It offers a patented pay-over-time financing solution for B2B e-commerce merchants, enabling fast financing approval and driving better sales.

Atom Finance

Series A in 2020
Atom Finance, Inc. is an investment research platform based in Brooklyn, New York, founded in 2018. The company caters to individual investors by providing access to institutional-quality data, documents, news, and events related to various companies. Atom Finance offers a user-friendly platform that facilitates the aggregation and comparison of financial information, designed to engage investors at all skill levels—from novices to experts. In addition to its consumer-facing app, Atom Finance also provides global enterprise software solutions, including APIs and embeddable user interfaces, which enhance user engagement through unique insights, dynamic tools, and innovative visualizations. This comprehensive approach supports users throughout the investment process, from research to trade execution, enabling informed decision-making.

WayScript

Seed Round in 2020
Wayscript, Inc. is a software company that provides a scripting platform designed for software developers. Founded in 2018 and based in Brooklyn, New York, Wayscript enables users to build and run applications in the cloud, automate tasks, and create internal tools using any programming language. The platform features a web-based, drag-and-drop scripting environment that allows developers to write code and visualize workflows in real-time. It supports more than 40 integrations with services such as Slack, Zendesk, and Twitter, facilitating the development of custom business solutions. Additionally, Wayscript offers a community marketplace for analyzing data, building web forms, and creating bots, making it a versatile tool for enhancing productivity and streamlining processes.

Pie Insurance

Series B in 2020
Pie Insurance is a technology-enabled workers’ compensation insurer that provides online coverage to small businesses. The company uses high-quality data sets and analytics to segment and price policies, assess risk, and pass savings to owners, supported by an online experience and a price predictor that estimates risk profiles and pricing. It began selling policies in 2018 and is based in Washington, DC, led by co-founder and CEO John Swigart. Pie targets small and medium-sized enterprises, aiming to increase transparency in coverage and empower business owners to make informed purchasing decisions. The business emphasizes straightforward, data-driven underwriting and seeks to expand through strategic initiatives to offer scalable workers’ comp solutions via a digital platform.

Mapped

Seed Round in 2020
Mapped automates the discovery, extraction, and normalization of real-time data from building systems, sensors, devices, and APIs in commercial real estate. Its platform breaks data silos, empowering owners and operators to unlock value from their data.

Boost

Series A in 2020
Boost Insurance USA, Inc. specializes in providing a comprehensive platform for insurtech startups in the property and casualty insurance sector. Established in 2017 and headquartered in New York, Boost offers an infrastructure-as-a-service solution that simplifies the creation and management of insurance products. The platform enables technology companies and emerging startups to seamlessly embed insurance offerings into their existing systems, significantly reducing costs associated with operational, compliance, and capital requirements through straightforward API integration. Boost automates essential processes such as policy administration, claims management, and regulatory compliance, allowing partners to concentrate on enhancing customer experiences and innovating their insurance products. The company is licensed to produce both commercial and personal lines of insurance across all 50 states, delivering modern, 'A'-rated insurance solutions that are backed by leading industry players.

Flutterwave

Series B in 2020
Flutterwave is a global payments technology company that enables businesses worldwide to accept payments from customers globally via web and mobile. It offers services such as Flutterwave Checkout, API for virtual card management, invoicing, payment links, and more, serving industries like gaming, events, transportation, hospitality, and individuals.

Snackable AI

Seed Round in 2019
Snackable AI is an Estonia-based company that focuses on creating innovative audio content formats, including podcasts, through the use of artificial intelligence. It offers a content discovery engine designed for the audio-first landscape, enabling users to effortlessly share significant moments from their video and audio libraries. The company's services include a web-based portal and an application-programming interface (API), which facilitate content organization and retrieval for both content owners and distributors. By leveraging AI technology, Snackable AI enhances the accessibility and engagement of audio content, providing users with AI-generated chapters and highlights.

Pie Insurance

Series B in 2019
Pie Insurance is a technology-enabled workers’ compensation insurer that provides online coverage to small businesses. The company uses high-quality data sets and analytics to segment and price policies, assess risk, and pass savings to owners, supported by an online experience and a price predictor that estimates risk profiles and pricing. It began selling policies in 2018 and is based in Washington, DC, led by co-founder and CEO John Swigart. Pie targets small and medium-sized enterprises, aiming to increase transparency in coverage and empower business owners to make informed purchasing decisions. The business emphasizes straightforward, data-driven underwriting and seeks to expand through strategic initiatives to offer scalable workers’ comp solutions via a digital platform.

NeueHealth

Series C in 2018
NeueHealth is a healthcare company dedicated to providing high-quality, coordinated care to aging and underserved populations. It operates through two segments: NeueCare, which manages risk in partnership with external payors, serving diverse patient populations; and NeueSolutions, offering technology, services, and clinical care solutions to empower providers.

Pie Insurance

Series A in 2018
Pie Insurance is a technology-enabled workers’ compensation insurer that provides online coverage to small businesses. The company uses high-quality data sets and analytics to segment and price policies, assess risk, and pass savings to owners, supported by an online experience and a price predictor that estimates risk profiles and pricing. It began selling policies in 2018 and is based in Washington, DC, led by co-founder and CEO John Swigart. Pie targets small and medium-sized enterprises, aiming to increase transparency in coverage and empower business owners to make informed purchasing decisions. The business emphasizes straightforward, data-driven underwriting and seeks to expand through strategic initiatives to offer scalable workers’ comp solutions via a digital platform.

Credit Key

Seed Round in 2018
Founded in 2016, Credit Key is a Los Angeles-based company that develops a business-to-business (B2B) credit and payments platform. It offers a patented pay-over-time financing solution for B2B e-commerce merchants, enabling fast financing approval and driving better sales.

Boost

Seed Round in 2017
Boost Insurance USA, Inc. specializes in providing a comprehensive platform for insurtech startups in the property and casualty insurance sector. Established in 2017 and headquartered in New York, Boost offers an infrastructure-as-a-service solution that simplifies the creation and management of insurance products. The platform enables technology companies and emerging startups to seamlessly embed insurance offerings into their existing systems, significantly reducing costs associated with operational, compliance, and capital requirements through straightforward API integration. Boost automates essential processes such as policy administration, claims management, and regulatory compliance, allowing partners to concentrate on enhancing customer experiences and innovating their insurance products. The company is licensed to produce both commercial and personal lines of insurance across all 50 states, delivering modern, 'A'-rated insurance solutions that are backed by leading industry players.

Clearcover

Series A in 2017
Founded in 2016, Clearcover is a digital car insurance provider based in Chicago, Illinois. It offers affordable coverage through an API-first approach, selling products directly to customers and through agents.

AZA Finance

Series A in 2017
AZA Finance is a global fintech specializing in cross-border payments and foreign exchange. Established in Nairobi, the company facilitates currency exchanges, international payments, and settlements for businesses worldwide, supporting major African and G20 currencies, including digital currencies. AZA Finance pioneered direct trading between digital currencies and African currencies using mobile money, serving both frontier market businesses and multinational corporations.

Flutterwave

Series A in 2017
Flutterwave is a global payments technology company that enables businesses worldwide to accept payments from customers globally via web and mobile. It offers services such as Flutterwave Checkout, API for virtual card management, invoicing, payment links, and more, serving industries like gaming, events, transportation, hospitality, and individuals.

NeueHealth

Series B in 2017
NeueHealth is a healthcare company dedicated to providing high-quality, coordinated care to aging and underserved populations. It operates through two segments: NeueCare, which manages risk in partnership with external payors, serving diverse patient populations; and NeueSolutions, offering technology, services, and clinical care solutions to empower providers.

Layer

Series B in 2017
Layer, Inc. is a technology company based in San Francisco, California, specializing in the development of an open communications layer platform for the Internet. Founded in 2011, Layer enables developers to integrate rich messaging, voice, and video capabilities into their applications. The company's offerings include Atlas, a customizable UI kit designed for enhancing messaging features, as well as software development kits (SDKs) for both iOS and Android platforms. Additionally, Layer provides a Client API that allows browser-based applications to incorporate chat and communication services, along with a Platform API that facilitates the automation, extension, and integration of these services with other applications. Through its innovative tools, Layer aims to enhance customer interaction for businesses by improving communication between companies and their clients.

Button

Series B in 2017
Button facilitates seamless mobile commerce by connecting brands and consumers via its platform. It enables brands to drive sales and publishers to earn revenue through enhanced user experiences.

Wedgies

Convertible Note in 2015
Wedgies, Inc. is a company that specializes in providing interactive polling services on the web. Founded in April 2012 and headquartered in Las Vegas, Nevada, Wedgies enables publishers and clients to create and customize polls across various platforms, including social media channels like Facebook, Twitter, and Tumblr, as well as on web pages and blog posts. The company's platform is designed to facilitate real-time data aggregation and user interaction through survey questions, allowing for seamless participation via tablets, mobiles, and desktops. Additionally, Wedgies offers features such as CSS customization, API access, and analytics to enhance the polling experience.

Button

Series A in 2015
Button facilitates seamless mobile commerce by connecting brands and consumers via its platform. It enables brands to drive sales and publishers to earn revenue through enhanced user experiences.

Wedgies

Seed Round in 2014
Wedgies, Inc. is a company that specializes in providing interactive polling services on the web. Founded in April 2012 and headquartered in Las Vegas, Nevada, Wedgies enables publishers and clients to create and customize polls across various platforms, including social media channels like Facebook, Twitter, and Tumblr, as well as on web pages and blog posts. The company's platform is designed to facilitate real-time data aggregation and user interaction through survey questions, allowing for seamless participation via tablets, mobiles, and desktops. Additionally, Wedgies offers features such as CSS customization, API access, and analytics to enhance the polling experience.

Knozen

Seed Round in 2013
Knozen, Inc. is a New York-based company that develops a personality platform aimed at enhancing interpersonal connections through technology. Incorporated in 2013, Knozen operates a mobile application that allows users to discover and share insights about personalities among friends and coworkers. The app features engaging and interactive social games that facilitate anonymous personality ratings, fostering a positive environment for users to explore and express what makes individuals unique. Knozen positions itself as a pioneer in creating a comprehensive personality API for the internet, striving to empower users with a deeper understanding of human characteristics and relationships.

Layer

Seed Round in 2013
Layer, Inc. is a technology company based in San Francisco, California, specializing in the development of an open communications layer platform for the Internet. Founded in 2011, Layer enables developers to integrate rich messaging, voice, and video capabilities into their applications. The company's offerings include Atlas, a customizable UI kit designed for enhancing messaging features, as well as software development kits (SDKs) for both iOS and Android platforms. Additionally, Layer provides a Client API that allows browser-based applications to incorporate chat and communication services, along with a Platform API that facilitates the automation, extension, and integration of these services with other applications. Through its innovative tools, Layer aims to enhance customer interaction for businesses by improving communication between companies and their clients.
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