The company that runs the plumbing behind American medical bills is betting AI can drain billions in administrative waste - and half the country's patients are already in its pipes.
Mantys is a Y Combinator W23 company founded by Kriti Arora and Mudit Dangi. It began as a real-time ARR reporting and forecasting tool that pulled revenue data out of the spreadsheets SaaS finance teams live in, and has since moved into healthcare, building AI that automates patient insurance eligibility verification for revenue cycle management. In both incarnations the pitch is the same: take a slow, error-prone, spreadsheet-and-phone-call process and let software do it in real time.
Synthpop is a Cambridge, Massachusetts healthcare AI company building agentic automation that eliminates administrative bottlenecks across payer, provider and patient operations. Its platform combines document intelligence, payer-aware reasoning and conversational voice agents into one coordinated system that automates as much as 80% of healthcare back-office processes - referrals, prior authorizations, eligibility checks and claims follow-ups - by integrating directly with EHR, billing and e-prescribe systems. Founded in 2023 by Elad Ferber and Jan Jannink, the company has raised $23M total, including a $15M Series A in February 2026.
Collectly is a San Francisco-based healthcare fintech that automates the patient side of revenue cycle management. Its AI platform plugs into more than 20 EHR and practice-management systems to run digital billing, eligibility checks, cost estimates, payments and follow-up, so medical groups collect more, faster, with fewer staff hours. Founded in 2017 and a Y Combinator graduate, Collectly says it serves 3,000+ healthcare facilities and has processed over $1 billion in patient payments. In 2025 it launched Billie, a 24/7 AI agent that answers patient billing questions and takes action across voice, chat, text and email.
Apero Health is a San Francisco-based, Y Combinator-backed healthcare software company that folds scheduling, clinical visit notes, revenue cycle management, patient billing, e-prescriptions, and financial reporting into a single API-first platform. Founded in 2019 by Jacinda and Nick Shelly, Apero aims to bring transparency and speed to the notoriously opaque business of getting doctors paid - promising implementation in under a day, claim denials cut through custom validation rules, and payer enrollment across all 50 states.
Binkey is a Washington, DC fintech that lets online merchants accept pre-tax health benefit dollars - FSA, HSA, and related accounts - as payment at checkout. Its AI-powered engine classifies products at the SKU level to determine IRS eligibility in real time, automates claim filing and reimbursement, and routes funds through developer-friendly APIs. Products span Binkey Pay (checkout acceptance), FSA + HSA Rewind (recovering unused benefit dollars from past purchases), and Binkey Vision (out-of-network vision reimbursement). The company raised $3.3M in seed funding in 2023.
Sandy Health is a San Francisco healthtech company building an AI-powered operations platform that acts as the financial layer for healthcare. It connects scheduling, intake, eligibility verification, prior authorization, an AI clinical scribe, and revenue intelligence into one system so providers can predict reimbursement before, during, and after every visit. Founded by cancer survivor and MIT-trained engineer Diego Saavedra-Kloss, Sandy targets the administrative friction that drains time and revenue from patient care.