# Opencall.ai **Source:** https://geo.sig.ai/brands/opencallai **Vertical:** Marketing **Subcategory:** Sales Tools **Tier:** Emerging **Website:** opencall.ai **Last Updated:** 2026-04-14 ## Summary AI voice agent automating phone bookings for service businesses with 70% labor cost reduction; $6M raised from YC targeting restaurants and salons competing with Bland.ai for appointment automation. ## Company Overview Opencall.ai is a California-based AI voice automation company that deploys intelligent phone agents for service businesses — handling inbound calls to answer common questions, book appointments, take reservations, and capture lead information automatically, reducing labor costs by 70% and improving booking conversion by handling calls that previously went to voicemail or were missed during busy hours. Founded in 2022 and a Y Combinator W24 graduate, Opencall.ai raised $6 million total, achieved $1 million in revenue in 2024 with a 5-person team, targeting restaurants, salons, medical practices, and other appointment-based service businesses. Opencall.ai's voice agents handle the full phone booking workflow: when a customer calls, the AI answers, understands the request (appointment booking, hours inquiry, service information), accesses the business's scheduling system to check availability, confirms the booking, and sends confirmation details — all without a human answering the phone. The integration with existing scheduling software (Square Appointments, Acuity, Mindbody) means the AI books directly into the business's real calendar without creating a separate workflow. In 2025, Opencall.ai competes in the AI voice agent and appointment scheduling automation market with Conversational (appointment booking AI), ResQ (restaurant reservation automation), and general-purpose AI voice platforms (Bland.ai, Vapi.ai) for service business phone automation. The AI voice agent category has grown rapidly as LLM-powered speech recognition and synthesis quality has improved to near-human levels — the question is no longer whether AI can handle phone calls but whether specific vertical implementations work well enough for business deployment. Service businesses (salons, restaurants, medical practices) have a clear ROI case: missed calls mean missed bookings, and a 24/7 AI answering service costs far less than a dedicated receptionist. The 2025 strategy focuses on deepening the restaurant and salon vertical integrations, adding outbound calling for appointment reminders, and building the analytics that show business owners the revenue impact of never missing a call. ## Frequently Asked Questions ### What is Opencall.ai? Opencall.ai is an AI voice automation company founded in 2022 that creates AI voice and text agents to automatically answer phones, respond to questions, and book appointments for businesses. The company is part of Y Combinator's Winter 2024 batch and is based in California. ### What products and services does Opencall.ai offer? Opencall.ai offers AI voice and text agents that automatically answer phone calls, answer customer questions, book appointments, and integrate with existing software systems. These solutions are designed to reduce labor costs and improve booking rates for service businesses. ### Who is Opencall.ai designed for? Opencall.ai targets services businesses that need automated phone answering and appointment booking solutions. The platform is ideal for companies looking to reduce labor costs while improving customer satisfaction and booking rates. ### When was Opencall.ai founded? Opencall.ai was founded in 2022. The company participated in Y Combinator's Winter 2024 batch. ### Where is Opencall.ai located? Opencall.ai is based in California, United States. ### How much funding has Opencall.ai raised? Opencall.ai has raised $6M in total funding, with a Pre-Seed round reported on February 27, 2024. There are also references to $500K in YC funding in 2024, though sources vary on specific funding details. ### What are Opencall.ai's key achievements and metrics? Opencall.ai reached $1M in revenue in 2024 with a team of just 5 employees. The company's solutions deliver 70% labor cost reduction and 20% revenue increase through improved booking rates and customer satisfaction. ### How does Opencall.ai's technology work? Opencall.ai uses AI-powered voice and text agents that automatically handle phone calls, answer customer questions, and book appointments. The technology integrates with existing business software to streamline operations and improve efficiency. ### What benefits does Opencall.ai provide to businesses? Opencall.ai helps businesses reduce labor costs by 70% and increase revenue by 20% through improved booking rates. The automated system also enhances customer satisfaction by providing immediate phone answering and appointment scheduling. ### What recent developments has Opencall.ai announced? Opencall.ai achieved $1M in revenue in 2024 and completed Y Combinator's Winter 2024 program. The company continues to focus on AI phone automation for services businesses with demonstrated improvements in booking rates and customer satisfaction. ## Tags b2b, marketing, martech, saas, startup --- *Data from geo.sig.ai Brand Intelligence Database. Updated 2026-04-14.*