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Throttling lets you simulate slow network conditions. Use it to test how your app behaves on constrained connections. Throttling applies to all response bodies passing through the proxy.

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Presets

httpmon ships with three built-in presets.

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CLI usage

Apply a preset at startup with --throttle.
You can override latency independently with --latency. This combines with the preset’s bandwidth limit.

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TUI usage

Press T to open the throttle modal. Select a preset with j/k and press Enter to apply. The active preset is shown in the status bar at the bottom of the screen.

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Combining bandwidth and latency

Bandwidth and latency controls work together. The bandwidth limit throttles the data transfer rate, while latency adds a fixed delay before each response begins. This lets you model realistic network conditions where both throughput and round-trip time matter.
httpmon throttle menu