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title: Anypoint DataGraph Best Practices Ruleset
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# Anypoint DataGraph Best Practices Ruleset

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

The DataGraph Best Practices Ruleset is a collection of governance rules you can add as a dependency
to any API project you want to use in Anypoint DataGraph. The ruleset is a collection of messages
that ensure your API project adheres to DataGraph best practices. The ruleset is publicly available
in Exchange and you add the ruleset as a dependency to API specifications in Design Center API
Designer. You can also validate an API against the ruleset, using the API Governance CLI.

## Example Use

Consider the following `example-api.raml`:

#%RAML 1.0

title: DOCS - Order API

types: Order: description: An Order properties: orderId: description: The ID of the order type:
string additionalProperties: false

/orders/{orderId}: get: responses: 200: body: application/xml: type: Order

When you apply the DataGraph best practices ruleset, you see the following warning message:

example-api.raml (16:3) ⚠️Warning: \[Datagraph Best Practices\] Only JSON payloads are supported at
the moment in DataGraph. This is the preferred media type format.

This message indicates that `application/xml` in the GET command should be `application/json`.

For more information about adding and using rulesets in API Designer, see
[Finding API Conformance Issues in API Definitions](https://docs.mulesoft.com/api-governance/find-conformance-issues).