Pioneer Fund

Pioneer Fund is a venture capital firm founded in 2017, with its headquarters in Toronto, Canada. The firm focuses on early-stage investments and is particularly tied to the Y Combinator network, comprising over 420 alumni from the accelerator program. Pioneer Fund targets a diverse range of sectors, including consumer products, financial services, information technology, advanced manufacturing, blockchain, life sciences, gaming, artificial intelligence, and education technology, among others. By leveraging its connection to Y Combinator, Pioneer Fund aims to support innovative startups with high growth potential across various industries.

Bryant Chou

Senior Venture Partner

Mike Dilworth

CFO and General Partner

Jarret Glasscock

Senior Venture Partner and Healthcare Biotech

Beth Kolko

Senior Venture Partner

Parthi Loganathan

Venture Partner

Dave Messina

General Partner

Eric Norman

Visiting General Partner

Will Olsen

Venture Partner

Alexander Strunkin

Venture Partner

Jonathan Tang

Senior Venture Partner

Kitch Wilson

Venture Partner

Past deals in API

Flagright

Seed Round in 2025
Flagright offers a transaction monitoring platform that provides real-time fraud detection and anti-money laundering solutions for financial institutions and fintech companies. The platform is designed to automate transaction monitoring, identify suspicious activities, and ensure compliance with regulatory requirements. With its API-first approach and a no-code back office, Flagright enables users to prevent, detect, and manage fraudulent activities effectively, thereby enhancing risk management and streamlining compliance workflows.

Suger

Series A in 2025
Suger is a developer of a management platform that facilitates the sale and co-selling of software as a service (SaaS) products across multiple cloud marketplaces, including AWS, Azure, GCP, Red Hat, Snowflake, and Databricks. The platform streamlines the management of product listings, offers, contracts, metering, and billing, allowing businesses to efficiently handle the entire lifecycle of their contracts, including renewals, plan changes, and upselling. By providing ongoing maintenance and operational support post-integration, Suger enables companies to enhance their B2B sales processes in a seamless and effective manner, ultimately driving growth in a multi-cloud environment.

Assort Health

Seed Round in 2024
Assort Health helps to improve patient and staff interactions by automating calls.

Suger

Seed Round in 2023
Suger is a developer of a management platform that facilitates the sale and co-selling of software as a service (SaaS) products across multiple cloud marketplaces, including AWS, Azure, GCP, Red Hat, Snowflake, and Databricks. The platform streamlines the management of product listings, offers, contracts, metering, and billing, allowing businesses to efficiently handle the entire lifecycle of their contracts, including renewals, plan changes, and upselling. By providing ongoing maintenance and operational support post-integration, Suger enables companies to enhance their B2B sales processes in a seamless and effective manner, ultimately driving growth in a multi-cloud environment.

Credal.AI

Seed Round in 2023
Credal.ai offers a secure platform for enterprises to adopt and utilize artificial intelligence while ensuring data safety. The company provides APIs, a secure chat interface, and a Slack bot that integrates with popular AI applications like GPT-4 and Claude. Credal.ai's technology enforces access policies, masks sensitive information, and implements acceptable use policies, allowing organizations to maintain control over their data usage. Additionally, the platform assists managers by automatically summarizing changes in documents and metrics, generating personalized memos for stakeholders, and enhancing communication within teams. This enables companies to make informed decisions and communicate them swiftly, thereby improving overall operational efficiency.

Assort Health

Seed Round in 2023
Assort Health helps to improve patient and staff interactions by automating calls.

Berri AI

Seed Round in 2023
Berri AI is an API platform for SaaS businesses to create ChatGPT apps programmatically. Users can quickly connect their data with Berri and create LLM apps that are ready for production.

Freshpaint

Series A in 2022
Freshpaint is a data platform that simplifies the collection and analysis of customer data to enhance marketing efforts. It automates the tracking of user behavior, such as clicks and page views, through an intuitive point-and-click interface or by integrating code. This capability allows businesses to seamlessly connect their customer data to various marketing and analytics tools with minimal effort. By doing so, Freshpaint enables product, data, and growth teams to gather essential behavioral insights necessary for improving products, driving customer engagement, and enhancing retention strategies. Co-founded by Michael Malis and Steven Fitzsimmons, Freshpaint aims to alleviate the burdens of manual data handling, allowing engineering teams to focus on product development.

Integration Labs

Seed Round in 2022
Integration Labs is a data integration platform that simplifies access to customers' accounting, e-commerce, and payment data for businesses. The platform offers a well-documented Unified API, allowing product teams to efficiently read and write data across more than 20 platforms, including popular services like Quickbooks, Shopify, and Stripe. Companies utilize Integration Labs to automate accounting processes, underwrite credit risk, generate valuable business insights, and develop new business tools. By prioritizing safety and reliability, Integration Labs enables organizations to streamline their operations and enhance decision-making capabilities.

Rio

Venture Round in 2022
Rio is a cryptocurrency platform founded in 2022 that enables users to buy and sell cryptocurrencies efficiently. The service allows transactions to be completed in five minutes or less, utilizing various payment methods such as cash, credit cards, and bank transfers. Rio's platform not only offers wallets for direct cryptocurrency purchases but also facilitates the acquisition of tokens for NFTs. Additionally, the company provides APIs that can be easily integrated into existing applications, streamlining the transaction process for users.

Flagright

Seed Round in 2022
Flagright offers a transaction monitoring platform that provides real-time fraud detection and anti-money laundering solutions for financial institutions and fintech companies. The platform is designed to automate transaction monitoring, identify suspicious activities, and ensure compliance with regulatory requirements. With its API-first approach and a no-code back office, Flagright enables users to prevent, detect, and manage fraudulent activities effectively, thereby enhancing risk management and streamlining compliance workflows.

Duplo

Seed Round in 2022
Duplo is a financial technology company focused on providing embedded payment solutions for B2B businesses in Africa. The company offers a platform that enables businesses to automate payment inflows, reconcile transactions at scale, and manage mass payouts efficiently. Through its APIs and user interfaces, Duplo facilitates the collection and attribution of cashless payments, addressing various payment operations needs for its clients. Additionally, the platform allows businesses to enhance their financial service offerings to customers, streamlining the overall payment process in the region.

Vaya

Seed Round in 2021
Vaya is a company that provides an embedded credit API, allowing lenders to customize credit products while enabling sellers to generate new revenue streams. Its platform integrates seamlessly with various systems and pre-qualifies customers for credit, benefiting both lenders and sellers. Vaya's solutions enhance seller acquisition, improve retention rates, and lower borrower acquisition costs, making it a valuable tool for businesses looking to optimize their financial offerings and customer engagement.

Axle Health

Seed Round in 2021
Axle Health is a provider of scheduling and workforce management software tailored for home health care providers. Its platform features a mobile app for clinicians, an operations dashboard for office teams, and proprietary logistics algorithms designed to optimize scheduling. Additionally, Axle offers a patient engagement and booking solution, all of which can be customized and accessed modularly through an API. The platform is compatible with various electronic medical records systems, facilitating seamless integration. By leveraging Axle's software, major home health care providers can enhance the efficiency of their clinical teams while automating the complexities of scheduling and dispatching. The company also supports in-home health services, including telehealth, enabling patients to access treatments more swiftly and effectively.

Terra API

Seed Round in 2021
Terra API specializes in facilitating the seamless transfer of health data between various applications and devices. The company provides an online application programming interface (API) that enables developers to connect easily with health apps, wearables, sensors, and blood laboratories. By utilizing standard protocols for data exchange, Terra API allows applications to accept requests and return responses in commonly used formats, supporting efficient communication across diverse fitness tracking devices. This integration empowers users to share and access their health and fitness data from multiple sources, enhancing the overall user experience in health management.

Axle Health

Seed Round in 2021
Axle Health is a provider of scheduling and workforce management software tailored for home health care providers. Its platform features a mobile app for clinicians, an operations dashboard for office teams, and proprietary logistics algorithms designed to optimize scheduling. Additionally, Axle offers a patient engagement and booking solution, all of which can be customized and accessed modularly through an API. The platform is compatible with various electronic medical records systems, facilitating seamless integration. By leveraging Axle's software, major home health care providers can enhance the efficiency of their clinical teams while automating the complexities of scheduling and dispatching. The company also supports in-home health services, including telehealth, enabling patients to access treatments more swiftly and effectively.

Terra API

Seed Round in 2021
Terra API specializes in facilitating the seamless transfer of health data between various applications and devices. The company provides an online application programming interface (API) that enables developers to connect easily with health apps, wearables, sensors, and blood laboratories. By utilizing standard protocols for data exchange, Terra API allows applications to accept requests and return responses in commonly used formats, supporting efficient communication across diverse fitness tracking devices. This integration empowers users to share and access their health and fitness data from multiple sources, enhancing the overall user experience in health management.

Freshpaint

Seed Round in 2020
Freshpaint is a data platform that simplifies the collection and analysis of customer data to enhance marketing efforts. It automates the tracking of user behavior, such as clicks and page views, through an intuitive point-and-click interface or by integrating code. This capability allows businesses to seamlessly connect their customer data to various marketing and analytics tools with minimal effort. By doing so, Freshpaint enables product, data, and growth teams to gather essential behavioral insights necessary for improving products, driving customer engagement, and enhancing retention strategies. Co-founded by Michael Malis and Steven Fitzsimmons, Freshpaint aims to alleviate the burdens of manual data handling, allowing engineering teams to focus on product development.

Lang API

Seed Round in 2019
LangAPI exists to help developers rapidly translate and localize their apps for users worldwide. They automate translation between a huge number of languages, including Spanish, French, Chinese, and Russian. To make the developer experience as smoooth as possible, translating a string is as simple as wrapping it with a special function. Currently, they only support JavaScript and TypeScript codebases. You can choose to either use machine translations (Google Translate) for testing or human translations for production.

OneGraph

Seed Round in 2018
OneGraph Inc is a company that provides a GraphQL service designed to connect various Software as a Service (SaaS) APIs, facilitating quicker integrations for its clients. Founded in 2018 and headquartered in Walnut, California, OneGraph specializes in handling automatic parallelization, queuing, and caching behind a single request, making it ideal for web and mobile applications. The platform offers robust permission controls for data and query access, ensuring secure authentication for users. With support for numerous APIs, including popular services like Stripe, Salesforce, and GitHub, OneGraph simplifies the development process, allowing businesses to efficiently access and utilize data from multiple sources.
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