Callio: Connect any API with AI Agent in under 5 mins
SMRTR summary
Callio provides a unified API gateway that eliminates the complexity of managing authentication, rate limits, and API keys for AI agents. Instead of configuring each API separately, developers can route all calls through one proxy using a single Callio key. The service handles auth injection, usage tracking, and billing automatically, supporting Claude Code, Cursor, Antigravity, and MCP-compatible tools with a free tier available.
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