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Hammadleft a comment
Hey Product Hunt! 👋 I built 𝐂𝐚𝐥𝐥𝐢𝐨 because connecting AI agents to external APIs is a mess. Every API needs its own key, auth setup, and error handling. It doesn't scale. 𝐂𝐚𝐥𝐥𝐢𝐨 fixes this with one unified API key that works across every API in our marketplace. ➜ Browse APIs on callio.dev ➜ Click "Add to Agent" to get your key ➜ Your agent calls our proxy, we handle auth and rate limiting 𝐖𝐡𝐲...
CallioConnect 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
CallioConnect any API with AI Agent under 1 minute