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title: Validating Query Parameters and Headers
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product: APIkit
version: 4.x
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---

# Validating Query Parameters and Headers

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

Restrict query parameters and headers on APIkit for REST to the names your RAML or OpenAPI
Specification defines. Turn on strict validation in the **APIkit Router** configuration in Studio,
or set the matching attributes on `apikit:config` in XML when you need repeatable deployments.

1.  In Studio, select **APIkit Router**.

    ![APIkit router highlighted](/mulesoft/current/en-us/apikit/latest/_images/apikit-router-selection.png)

2.  Click **Edit** for your router configuration.

    ![Edit button highlighted in the APIkit router tab](/mulesoft/current/en-us/apikit/latest/_images/router-config.png)

3.  Select **Query Parameters Strict Validations** to restrict the usage of query parameters to the
    ones defined in your API specification.

4.  Select **Headers Strict Validations** to limit the headers to the ones specified in your API
    specification.

    ![\*Query parameters Strict Validations\* and \*Headers Strict Validations\* highlighted in the router configuration tab](/mulesoft/current/en-us/apikit/latest/_images/enable-verifications.png)

You can also configure **APIkit Router** to validate headers and query parameters by updating the
APIkit configuration in XML:

```xml
<apikit:config  name="api-config"
                api="api.raml"
                outboundHeadersMapName="outboundHeaders"
                httpStatusVarName="httpStatus"
                queryParamsStrictValidation="true"
                headersStrictValidation="true" />
```

## Disable Validation of Query Parameters and Headers

Disable the validation of query parameters and headers to minimize latency.

1.  In Studio, select **APIkit Router**.

    ![APIkit router highlighted](/mulesoft/current/en-us/apikit/latest/_images/apikit-router-selection.png)

2.  Click **Edit** for your router configuration.

    ![Edit button highlighted in the APIkit router tab](/mulesoft/current/en-us/apikit/latest/_images/router-config.png)

3.  Select **Disable Validations**.

    ![\*Disable validations\* option highlighted in the router configuration tab](/mulesoft/current/en-us/apikit/latest/_images/disable-verifications-apikit.png)

You can also disable the validation of query parameters and headers to minimize latency by updating
the APIkit configuration in XML:

```xml
<apikit:config  name="api-config"
                api="api.raml"
                outboundHeadersMapName="outboundHeaders"
                httpStatusVarName="httpStatus"
                disableValidations="true" />
```

## See Also

- [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)