Free
Free
$0 per month on Free.
- Identities
- 3 agent identities
- Mail storage
- 1 GiB stored mail per mailbox
- iMessage
- Up to 2,000 iMessages per month
Code · Vendor site 2026-10-04
Inkbox gives AI agents a unified identity with email, phone, iMessage, a public internet address, and Agent2Agent channels plus a credential vault. Y Combinator–backed Inkbox ships plugins for Claude Code, Codex, ChatGPT, and other agent hosts so agents can communicate like teammates.
Understand the total cost
Free
Free
$0 per month on Free.
Developer
$30.00 /mo
$30 per month on Developer.
Startup
$200.00 /mo
$200 per month on Startup.
No retained pricing changes yet. A current price alone does not establish a historical trend.
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.
Yes. Inkbox has an ongoing free plan. Free plan is $0/month with three agent identities, each including an inbox, public URL, shared iMessage with phone calls, A2A channel, and 1 GiB stored mail per mailbox.
Inkbox paid plans start at $30 per month (Developer $30/mo, Startup $200/mo). Prices are in USD and last checked Oct 4, 2026.
API or developer access is mentioned. Docs and integrations pages describe agent signup flows, plugins, and IMAP/SMTP access for identities.