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> OpenAPI specifications: https://docusign.docs.buildwithfern.com/openapi.json
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# Services Resource

The Services resource provides a method that allow you to retrieve the available service versions.

## Methods supported

| Method                                                            | Description                                                                              |
| ----------------------------------------------------------------- | ---------------------------------------------------------------------------------------- |
| [get](/docs/esign-rest-api/v2/reference/diagnostics/services/get) | GET `/restapi/service_information` Retrieves the available eSignature REST API versions. |

## Services properties

| Property                      | Type   | Description   |
| ----------------------------- | ------ | ------------- |
| `buildBranch`                 | string | Reserved: TBD |
| `buildBranchDeployedDateTime` | string | Reserved: TBD |
| `buildSHA`                    | string | Reserved: TBD |
| `buildVersion`                | string | Reserved: TBD |
| `linkedSites`                 | array  |               |
| `serviceVersions`             | array  |               |


## API Docs

- Services [Get available REST API versions](https://developers.docusign.com/docs/esign-rest-api/v2/reference/diagnostics/services/get.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://developers.docusign.com/openapi.json)
- [OpenAPI YAML](https://developers.docusign.com/openapi.yaml)