Y Combinator Winter 2022 (W22) Companies

PromptLoop is a spreadsheet platform that enables users to integrate and run AI models on tabular data to generate insights and automate research workflows. The tool is designed for spreadsheet users seeking flexible, verifiable AI capabilities.

1 investor

PropelAuth provides authentication and user management infrastructure for developers building B2B and B2C applications. The platform offers integrated tools for user identity, security, and relationship management to streamline the developer experience.

2 investors

Proper is a financial data platform that automates reconciliation and accounting processes for businesses by connecting bank accounts, payment processors, and internal data sources. The platform enables organizations to match and reconcile complex financial transactions with transparency and flexibility.

1 investor

Pursuit Properties offers fractional co-ownership of large land properties with managed amenities, handling property maintenance, wildlife management, and agricultural operations to generate income for owners.

1 investor

Pyrls provides a website and mobile application that helps clinicians prescribe medications, dispense them, and inform patients about their treatment regimens. The platform serves healthcare providers and medical trainees across numerous health systems.

1 investor

Quan is a digital platform that assesses individual well-being across dozens of dimensions spanning personal and work life, then aggregates anonymous team-level data to help managers and organizations identify targeted interventions. The platform serves organizations seeking to prevent burnout and embed well-being into business operations.

2 investors

Query Vary provides a no-code platform for building workflows that connect software inputs to large language models and output integrations, enabling tasks like data extraction from transcripts, documentation chatbots, and form-to-report automation.

1 investor

QUIK operates a two-sided platform in Latin America: a consumer super app for rapid delivery of food, groceries, and goods with flexible payment options, and a business software suite that enables merchants to manage inventory, create a web presence, and integrate with the delivery network.

1 investor

A derivatives trading exchange providing futures and options trading services, regulated by the CFTC.

4 investors

Rally is a user research CRM platform that enables teams to scale research operations, manage access control, and collaborate across departments while securing customer insights and data. It integrates with tools like Salesforce and Snowflake and caters to product managers, designers, marketers, and research operations professionals.

3 investors

Rank is a wealth management platform offering personalized investment portfolios and financial guidance to individual investors seeking alternatives to traditional savings, with portfolio management tailored to individual risk tolerance and life goals.

2 investors

SuperSend provides email infrastructure for investment banks conducting large-scale investor outreach, featuring dedicated subdomains, institutional inbox delivery, and compliance archiving. The service handles technical sending infrastructure including server failover and placement testing against institutional email systems.

1 investor

Flightcontrol provides deployment infrastructure for developers, bridging the gap between the simplicity of Platform-as-a-Service and the control of AWS. The platform targets developers and engineering teams building on AWS who want a better developer experience.

3 investors

RDash is a construction management software that helps builders, contractors, and design firms manage projects through features covering design management, procurement, progress reporting, site quality control, and financial tracking. The platform serves construction companies, suppliers, and clients in the construction and interior design industry.

3 investors

Reality Defender develops an AI platform for detecting deepfakes and synthetic media, serving enterprise organizations to prevent fraud and impersonation. The company offers multimodal detection capabilities through an API and SDK for developers.

15 investors

Rebill is a payment infrastructure platform designed for Latin America that enables businesses to accept payments using local methods across major markets with minimal integration time. The platform offers subscription plans, installment financing, and customizable checkout experiences with smart retry logic and automatic payment optimization.

1 investor

Recordbook is a table-first, no-code workspace for structuring operational data such as sales logs, collections, inventory, customer records, and field reporting. It offers 30+ column types, role-based permissions, and multiple views (table, kanban, list) for individuals and teams managing internal workflows.

4 investors

Redbird provides an AI-powered conversational platform that automates analytics, operations, and reporting workflows for business teams. It connects data sources and executes complex tasks without requiring coding or data engineering involvement.

5 investors

RedBrick AI provides an annotation platform for medical imaging that enables radiologists and AI developers to create training datasets for radiology AI applications. The platform combines advanced segmentation tools, collaborative workflows, and compliance features for building high-quality medical imaging datasets.

1 investor

RefineTrain AI provides a service that processes internal company documentation using AI agents to resolve inconsistencies, clarify ambiguous terminology, and add contextual information, making the knowledge base more suitable for use with large language models and retrieval systems.

1 investor

Reforged Labs provides AI-powered solutions for user acquisition and creative experimentation for mobile apps and games. The company helps digital product teams discover effective growth strategies and accelerate development cycles.

1 investor

Rehook.ai offers a customer engagement platform that analyzes data from multiple sources to deliver personalized experiences across channels. It provides AI-driven segmentation, customer insights, and engagement tools aimed at increasing customer lifetime value for businesses.

1 investor

Remedial Health provides a software platform for pharmaceutical procurement, inventory management, and financing to healthcare providers and small businesses in Africa. The platform streamlines pharmacy operations, enables real-time stock tracking, and offers flexible credit solutions.

5 investors

Remi is a residential roofing company that provides roof replacement and repair services with a guaranteed upfront price and no mid-project cost changes. It serves homeowners, offering financing, insurance-claim support, solar bundling, warranties, and text-based project updates.

1 investor