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Inkbox

Inkbox

Identity and communication layer giving AI agents email, phone, iMessage, and web addresses.

Operating headquarters
San Francisco, CA, US🇺🇸
Founded
2025
Accelerator
Y Combinator logoY CombinatorS26
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Library

Inkbox - Library

inkbox.ai·Crawled Oct 1, 2026·

Topics

Publication type

Content origin
Row density

Blog

3 pages
  1. Agents can now self-register for Inkbox/blog/agent-self-signup

    Agent self-signup forced us to rethink auth: how do you let an agent start working before a human account exists, without letting it inherit human trust too early?

  2. An open-source, HIPAA-eligible Twilio alternative/blog/open-telephony-stack

    Production-grade telephony with Asterisk and AWS Chime. Full control, no Twilio prices.

  3. Blog/blog

Pricing

1 page
  1. Pricing/pricing

    Start free. Pay as you grow. Free, Developer ($30/mo), Startup ($200/mo), and Enterprise plans for AI agents — agent identities, phone numbers, iMessage, and custom email domains.

Contact

1 page
  1. Contact/contact

Homepage

1 page
  1. Homepage/

    Inkbox is an identity and communication layer for AI agents.

Privacy

1 page
  1. Privacy Policy/privacy-policy

Terms & Conditions

1 page
  1. Terms of Service/terms-of-service

Coverage

6 items
  1. Why agent-to-agent on Inkbox is brokered, not peer-to-peerinkbox.ai/blog/why-a2a-is-brokered

    Inkbox explains why its Agent2Agent protocol uses a brokered model rather than peer-to-peer communication. Tasks are persisted in a durable ledger, notifications are retried for offline agents, and centralized access control governs communication. Inkbox hosts the Agent Card and JSON-RPC receiver, enabling agents to collaborate asynchronously without direct network connections.

    Aug 2026 · Inkbox BlogNews article

  2. How Vendo runs its team on Inkboxinkbox.ai/blog/vendo-runs-its-team-on-inkbox

    YC-backed Vendo uses five role-specific AI agents on Inkbox across engineering, go-to-market, operations, and founder assistance. Each agent has a dedicated mailbox, iMessage presence, phone line, and webhook, enabling Vendo’s team to contact agents like coworkers while retaining the context of each communication channel.

    Jul 2026 · Inkbox BlogNews article

  3. Your AI Agent Now Has a Phone Number, Email, and iMessagethefounderspack.beehiiv.com/p/new-post-14d0

    Founders Pack profiles Inkbox as an identity layer that gives AI agents email, phone, iMessage, and an internet address. It identifies Ray Liao, Dima Vremenko, and Alex Wilcox, and notes that Inkbox is based in San Francisco and is part of Y Combinator’s Summer 2026 cohort.

    Jul 2026 · Founders PackNews article

  4. inkbox-aigithub.com/inkbox-ai

    GitHubRepository owner