See and shape any HTTP traffic

with Sessio, a native HTTP debugging proxy designed for clarity and speed.

Download for macOS Share feedback

Requires Apple Silicon with macOS 26 or newer.

Sessio showing captured HTTP requests, filters, request details, and response data.

Show only what you need

Match with precision

Powerful expressions for complex request matching.

Sessio advanced filter interface.

Filter in a click

Sessio quick filters interface.

Sessio search field interface.

Filesystem-Based Rules

Version, share, and edit rules as TOML files. Ready for AI-assisted workflows.

Sessio rules interface.

Compose with ease

Sessio request composer interface.

Coming to Sessio

In active development, with early releases coming soon.

MCP

Sessio MCP workflow interface.

Scripting

Sessio scripting interface.

Transparent Proxy

Sessio transparent proxy interface.