> ## Documentation Index
> Fetch the complete documentation index at: https://flipt-oci-manifest-version.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# OpenFeature

> An overview of OpenFeature and Flipt OpenFeature integrations.

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[OpenFeature](https://openfeature.dev/) is an open specification that provides a vendor-agnostic, community-driven API for feature flagging that works with your favorite feature flag management tool.

OpenFeature allows you to use the same feature flagging API across multiple feature flag management tools. This means that you can switch between feature flag management tools without having to change your code.

OpenFeature is a CNCF Sandbox project. You can learn more about OpenFeature on the [OpenFeature website](https://openfeature.dev/).

## Providers

As a feature flag management tool, Flipt provides our own OpenFeature integrations (providers). This means that you can use the OpenFeature API with Flipt.

<Note>
  We currently only provide server-side OpenFeature providers. Once the
  OpenFeature client-side specification is finalized, we will provide
  client-side OpenFeature providers as well.
</Note>

From the [OpenFeature Specification](https://docs.openfeature.dev/docs/specification/sections/providers):

> Providers are the "translator" between the flag evaluation calls made in application code, and the flag management system that stores flags and in some cases evaluates flags.

We currently provide the following OpenFeature server-side providers:

<CardGroup cols={2}>
  <Card href="https://github.com/open-feature/go-sdk-contrib/tree/main/providers/flipt" title="Go" icon="golang" color="#00add8">
    The official Flipt OpenFeature Provider using the OpenFeature Go SDK.
  </Card>

  <Card href="https://github.com/open-feature/java-sdk-contrib/tree/main/providers/flipt" title="Java" icon="java" color="#e41f23">
    The official Flipt OpenFeature Provider using the OpenFeature Java SDK.
  </Card>

  <Card title="JavaScript/TypeScript" href="https://github.com/open-feature/js-sdk-contrib/tree/main/libs/providers/flipt" icon="js" color="#cad929">
    The official Flipt OpenFeature Provider using the OpenFeature JS SDK.
  </Card>

  <Card title="PHP (In Progress)" icon="php" color="#4c8abe">
    The official Flipt OpenFeature Provider using the OpenFeature PHP SDK.
  </Card>

  <Card href="https://github.com/flipt-io/flipt/discussions/2208" title="Request a Client" icon="github" color="#000000">
    > Need a client in another language? Let us know!
  </Card>
</CardGroup>