# API Reference

Federation API server supports the following group versions:

* federation/v1beta1: [operations](https://htmlpreview.github.io/?https://github.com/kubernetes/kubernetes/blob/HEAD/federation/docs/api-reference/federation/v1beta1/operations.html), [model definitions](https://htmlpreview.github.io/?https://github.com/kubernetes/kubernetes/blob/HEAD/federation/docs/api-reference/federation/v1beta1/definitions.html)
* v1: [operations](https://htmlpreview.github.io/?https://github.com/kubernetes/kubernetes/blob/HEAD/federation/docs/api-reference/v1/operations.html), [model definitions](https://htmlpreview.github.io/?https://github.com/kubernetes/kubernetes/blob/HEAD/federation/docs/api-reference/v1/definitions.html)
* extensions/v1beta1: [operations](https://htmlpreview.github.io/?https://github.com/kubernetes/kubernetes/blob/HEAD/federation/docs/api-reference/extensions/v1beta1/operations.html), [model definitions](https://htmlpreview.github.io/?https://github.com/kubernetes/kubernetes/blob/HEAD/federation/docs/api-reference/extensions/v1beta1/definitions.html)


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