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title: Configuring Behavior During Runtime
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# Configuring Behavior During Runtime

> For the full documentation index, see: https://docs.mulesoft.com/llms.txt

Tune APIkit for REST at run time by tightening validation, shaping HTTP responses, and keeping base
URIs consistent behind proxies. Each linked task covers one concern you can combine in the same
project.

## Tasks

- [Validating Query Parameters and Headers](https://docs.mulesoft.com/apikit/latest/validate-4-task)

- [Configuring the Response Headers and Status Code](https://docs.mulesoft.com/apikit/latest/configure-headers4-task)

- [Configure the Service URI](https://docs.mulesoft.com/apikit/latest/configure-service-uri-task)