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Middleman is a hosted webhook proxy that captures, transforms, and forwards HTTP requests.

Templates reshape JSON bodies on the way through, so Middleman can act as an adapter between incompatible systems, with no glue code needed.

Reference

• Proxyhow requests are received, forwarded and answered, and the limits
• Historywhat is recorded, how long it is kept, hiding header values
• Templatesthe language that reshapes JSON bodies
• Guest modetrying Middleman without an account

Features

• Capture: every HTTP request your endpoint receives is recorded with full headers and body.
• Inspect: view captured requests and responses in the dashboard's history pane.
• Transform: reshape JSON request bodies with a simple template language.
• Forward: relay each request to a target URL you configure.
• Guest mode: try it with a temporary endpoint that lasts 7 days, no signup needed.

Paid plans add retries, replay, response mocking, and more. See pricing.