Callio
Connect any API with AI Agent under 1 minute
Callio is a unified API gateway for AI agents. Instead of managing auth, rate limits, and keys for every API your agent uses, connect them all through one proxy. Works with Claude Code, Cursor, Antigravity, and any MCP-compatible tool. Browse APIs, generate a single Callio key, and start calling — we handle auth injection, usage tracking, and billing. Free tier included. One key, every API, zero config
Callio is a API company. It launched on Product Hunt on Feb 23, 2026, with 101 upvotes. Adamlead has 1 person on file at Callio.
Callio at a glance
- Website
- callio.ai
Callio timeline
- Connect any API with AI Agent under 1 minute
People at Callio
Emails are shown masked, with whether each one has been verified. They're unlocked in the app with Lifetime access.
| Name | Title | |
|---|---|---|
Maker | – |
Frequently asked questions
Who works at Callio?
Adamlead has 1 person on file at Callio, including Hammad (Maker). Each email shows whether it has been verified.