/Companies

AgentPhone

YC X26

San Francisco, US · Founded 2026 · 2 employees · Hiring · 4 known investors

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AgentPhone provides phone numbers for artificial intelligence agents, enabling them to communicate with people and businesses via voice calls and text messages.

Also known as Relay Innovations, Inc.

Data & InfrastructureEnterprise SoftwareUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (X26)

AgentPhone was founded in 2026 by Manav Modi and Meet Modi.

MMManav Modi
Manav ModiCo-founder · BuildingManav Modi is a co-founder at AgentPhone with a BS in Computer Engineering from the University of Illinois Urbana-Champaign. He previously contributed to the Vogue app, where he worked on a product redesign.
MMMeet Modi
Meet ModiCo-founder · BuildingModi is a co-founder at AgentPhone. He previously worked on AI agent infrastructure at Meta and holds a bachelor's degree in Computer Science and Linguistics from UCLA.

Investors · 4

Related companies · 7

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LindyLindy is an AI executive assistant that manages email, schedules meetings, takes notes, and handles administrative tasks for individual professionals and teams. It integrates with email, calendar, and hundreds of third-party applications to automate workplace busywork.
BesideBeside provides an AI phone assistant that answers calls, voicemails, and texts, then generates structured summaries, transcripts, and follow-up actions that sync to tools like Microsoft Teams. It targets service businesses ("shops") that want captured call records and contacts routed into their existing CRM, chat, or dispatch systems.
Retell AIRetell AI builds an enterprise-grade voice AI platform that handles phone calls for industries including healthcare, delivery, and insurance. The platform enables businesses to automate customer-facing voice interactions.
GoodCallGoodcall is an AI phone assistant platform designed to integrate with business communication and productivity tools to enhance customer service and operational workflows across various industries.
TelnyxTelnyx operates a full-stack communications platform that owns its own global carrier network, enabling real-time voice AI, messaging, and inference without intermediary handoffs. The company serves enterprises requiring deterministic routing, reduced latency, and compliance-by-default infrastructure for AI agents.
ConvinConvin builds AI-powered conversation intelligence and speech analytics software that records and analyzes customer conversations for customer-facing teams such as contact centers and sales teams. The platform captures the voice of the customer to surface insights and provide coaching.

Companies working in the same space as AgentPhone.

Legal entities · 1

corporate structure
Relay Innovations, Inc.

In the news

Frequently asked questions

What does AgentPhone do?
AgentPhone provides phone numbers for artificial intelligence agents, enabling them to communicate with people and businesses via voice calls and text messages.
Who founded AgentPhone?
AgentPhone was founded by Manav Modi, Meet Modi in 2026.
Who are AgentPhone's investors?
AgentPhone's investors include Perceptive Ventures Management Company, Llc, Rebel Fund, Y Combinator, Swift Ventures.
Where is AgentPhone headquartered?
AgentPhone is headquartered in San Francisco, US.