ai-receptionist
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Fullbay Put 20 Million Work Orders in the Cloud. Now It Wants to Predict Which Truck Breaks Next
The Phoenix software company started with an electronic medical record for trucks. A decade, 5,000-plus shops and $6.5 billion in annual commerce later, it is betting that the repair ledger can become an early-warning system.
PatientNow Wants to Run the Whole Med Spa - Right Down to the Missed Call
The 22-year-old software company built its business by stitching charts, calendars, payments and before-and-after photos into one system. Its next bet is that artificial intelligence can catch the revenue leaking out after the front desk goes home.
Retell AI
Meet your AI call center from the future.
GoTo
Powering a world of work without limits.
OpenCall.ai
OpenCall.ai is a San Francisco AI startup (Y Combinator W24) that builds AI voice agents to answer, route, and resolve business phone calls. Trained on thousands of real-world workflows, its agents book appointments, verify insurance, and update records, integrating with existing software and going live in under an hour. The company targets service businesses - especially healthcare practices - promising to capture missed-call revenue while cutting call-handling costs by 50-80%.
Twine
Twine is an AI revenue engine for small service businesses. When a business misses a call, Twine instantly texts the caller back, figures out what they need, books the job on the calendar, and follows up - so plumbers, HVAC techs, salons and pest-control operators stop losing work to whoever picked up first. Founded in 2023 and backed by Y Combinator (S23), Twine unifies calls, texts, web forms and chat into one AI-run inbox.
Sully.ai
Sully.ai is a Mountain View healthcare technology company that builds a 'superhuman team of AI employees' for hospitals and clinics - autonomous AI agents that handle front-desk reception, triage, ambient clinical scribing, medical coding, prescriptions and clinical decision support. The agents plug into existing EHRs like Epic and Athenahealth, aiming to cut administrative load and clinician burnout while keeping documentation HIPAA-compliant. Founded in 2023 and backed by Y Combinator, the company reached seven-figure ARR within ten months and raised a ~$21.8M Series A in January 2025.
Arini
Arini is a San Francisco-based AI company that builds a voice and text receptionist for dental practices. Its AI agent answers patient calls 24/7, books and reschedules appointments directly into practice management software, and handles insurance and billing questions - aiming to recover the revenue clinics lose when front desks miss roughly a third of inbound calls. Founded in 2024 by Abdulrahman Jamjoom and Rami Rustom, both former engineers on Meta's Threads team, the company went through Y Combinator's Winter 2024 batch and now handles over 15,000 patient calls a day for dental groups and DSOs across the US and Canada.
Quadrant Health
Quadrant Health builds AI voice and agentic workflows that run natively inside the electronic health records clinicians already use - Epic, athenahealth, eClinicalWorks and Medent. Founded in 2021 out of Y Combinator's Winter 2021 batch, the company started by analyzing EHR and messaging data to predict disease before it occurs, then pivoted into AI agents that handle the operational grind of a medical practice: an AI scribe that drafts EHR-ready notes in real time, and administrative agents that answer calls 24/7, book appointments, collect intake, process refill requests and close care gaps in 20+ languages. Led by co-founder and CEO Anin Sayana, Quadrant sells HIPAA- and SOC2-compliant software to providers, payers and life sciences organizations.
Reviva
Reviva is an AI-native practice management platform and EHR built for cash-pay health and wellness practices - medical spas, longevity clinics, IV therapy bars, and functional medicine providers. It folds scheduling, charting, payments, memberships, CRM, and marketing automation into a single system you can operate by telling it what to do. Founded in 2024 by Valerie Huynh and Jane Jeong, the daughters of immigrant small-business owners, Reviva aims to give solo and small wellness practices the kind of software leverage that used to belong only to big hospital systems.
Yobi
Yobi is an AI workforce platform that lets businesses deploy task-specific 'AI employees' - synthetic agents that answer calls, reply across text and social channels, book appointments and sync data 24/7. Founded by Ahmed Reza and built around named agents like Kate (reception), Marie (support) and Carlos (operations), Yobi unifies calls, messaging, CRM and team collaboration so small and mid-sized teams stop switching tools and start automating the busywork.
Abdul Jamjoom
Abdul Jamjoom is the co-founder and CEO of Arini, a San Francisco startup building an AI receptionist that answers phones, books appointments, and handles patient communication for dental practices around the clock. A Harvard computer science graduate and former search and applied-AI engineer at the enterprise messaging company Threads, he teamed up with his high-school friend Rami Rustom - the pair met in Jordan - to attack a market they found by literally walking into dental offices and watching front desks melt down. Backed by Y Combinator (W24), Arini turns the $7B-a-year dental front-desk problem into software that, in Jamjoom's words, just gets the job done.
Anin Sayana
Anin Sayana is the co-founder and CEO of Quadrant Health, a Y Combinator-backed startup building clinical AI that reads electronic health records and patient messages in real time to flag patient harm before it happens. A Stanford computer science graduate, he first made headlines at 13 as a finalist in the 3M Young Scientist Challenge for a carbon-nanotube system aimed at chemo-resistant cancer stem cells. Today his company partners with health systems like Stanford Health Care and software vendors like medent, and claims an AI that scored 93.23% on the US Medical Licensing Exam.
Shahrukh Chaudhary
Shahrukh Chaudhary is the founder of Onora AI, a Milton, Ontario startup building an AI-powered virtual front desk for dental clinics and DSOs across North America. His agents answer after-hours calls, book and reschedule appointments against live availability, run insurance checks, and chase down no-shows - taking clinics from 10 to 15 missed calls a night to zero. Before dentistry, he spent 15-plus years scaling tech businesses, including running Careem's Karachi operations and building products at Azul Code and Hoid.pk.