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---
stage: Package
group: Package
info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about..example/handbook/engineering/ux/technical-writing/#assignments
---

# NuGet API **(FREE)**

This is the API documentation for [NuGet Packages](../../user/packages/nuget_repository/index.md).

WARNING:
This API is used by the [NuGet package manager client](https://www.nuget.org/)
and is generally not meant for manual consumption.

For instructions on how to upload and install NuGet packages from the GitLab
package registry, see the [NuGet package registry documentation](../../user/packages/nuget_repository/index.md).

NOTE:
These endpoints do not adhere to the standard API authentication methods.
See the [NuGet package registry documentation](../../user/packages/nuget_repository/index.md)
for details on which headers and token types are supported.

## Package index

> Introduced in GitLab 12.8.

Returns the index for a given package, which includes a list of available versions:

```plaintext
GET projects/:id/packages/nuget/download/:package_name/index
```

| Attribute      | Type   | Required | Description |
| -------------- | ------ | -------- | ----------- |
| `id`           | string | yes      | The ID or full path of the project. |
| `package_name` | string | yes      | The name of the package. |

```shell
curl --user <username>:<personal_access_token> "https://gitlab.example.com/api/v4/projects/1/packages/nuget/download/MyNuGetPkg/index"
```

Example response:

```json
{
  "versions": [
    "1.3.0.17"
  ]
}
```

## Download a package file

> Introduced in GitLab 12.8.

Download a NuGet package file. The [metadata service](#metadata-service) provides this URL.

```plaintext
GET projects/:id/packages/nuget/download/:package_name/:package_version/:package_filename
```

| Attribute         | Type   | Required | Description |
| ----------------- | ------ | -------- | ----------- |
| `id`              | string | yes      | The ID or full path of the project. |
| `package_name`    | string | yes      | The name of the package. |
| `package_version` | string | yes      | The version of the package. |
| `package_filename`| string | yes      | The name of the file. |

```shell
curl --user <username>:<personal_access_token> "https://gitlab.example.com/api/v4/projects/1/packages/nuget/download/MyNuGetPkg/1.3.0.17/mynugetpkg.1.3.0.17.nupkg"
```

Write the output to a file:

```shell
curl --user <username>:<personal_access_token> "https://gitlab.example.com/api/v4/projects/1/packages/nuget/download/MyNuGetPkg/1.3.0.17/mynugetpkg.1.3.0.17.nupkg" > MyNuGetPkg.1.3.0.17.nupkg
```

This writes the downloaded file to `MyNuGetPkg.1.3.0.17.nupkg` in the current directory.

## Upload a package file

> Introduced in GitLab 12.8.

Upload a NuGet package file:

```plaintext
PUT projects/:id/packages/nuget
```

| Attribute         | Type   | Required | Description |
| ----------------- | ------ | -------- | ----------- |
| `id`              | string | yes      | The ID or full path of the project. |
| `package_name`    | string | yes      | The name of the package. |
| `package_version` | string | yes      | The version of the package. |
| `package_filename`| string | yes      | The name of the file. |

```shell
curl --request PUT \
     --upload-file path/to/mynugetpkg.1.3.0.17.nupkg \
     --user <username>:<personal_access_token> \
     "https://gitlab.example.com/api/v4/projects/1/packages/nuget"
```

## Upload a symbol package file

> Introduced in GitLab 12.8.

Upload a NuGet symbol package file (`.snupkg`):

```plaintext
PUT projects/:id/packages/nuget/symbolpackage
```

| Attribute         | Type   | Required | Description |
| ----------------- | ------ | -------- | ----------- |
| `id`              | string | yes      | The ID or full path of the project. |
| `package_name`    | string | yes      | The name of the package. |
| `package_version` | string | yes      | The version of the package. |
| `package_filename`| string | yes      | The name of the file. |

```shell
curl --request PUT \
     --upload-file path/to/mynugetpkg.1.3.0.17.snupkg \
     --user <username>:<personal_access_token> \
     "https://gitlab.example.com/api/v4/projects/1/packages/nuget/symbolpackage"
```

## Route prefix

For the remaining routes, there are two sets of identical routes that each make requests in
different scopes:

- Use the group-level prefix to make requests in a group's scope.
- Use the project-level prefix to make requests in a single project's scope.

The examples in this document all use the project-level prefix.

### Group-level

```plaintext
 /groups/:id/-/packages/nuget`
```

| Attribute | Type   | Required | Description |
| --------- | ------ | -------- | ----------- |
| `id`      | string | yes      | The group ID or full group path. |

### Project-level

```plaintext
 /projects/:id/packages/nuget`
```

| Attribute | Type   | Required | Description |
| --------- | ------ | -------- | ----------- |
| `id`      | string | yes      | The project ID or full project path. |

## Service Index

> Introduced in GitLab 12.6.

Returns a list of available API resources:

```plaintext
GET <route-prefix>/index
```

Example Request:

```shell
curl --user <username>:<personal_access_token> "https://gitlab.example.com/api/v4/projects/1/packages/nuget/index"
```

Example response:

```json
{
  "version": "3.0.0",
  "resources": [
    {
      "@id": "https://gitlab.example.com/api/v4/projects/1/packages/nuget/query",
      "@type": "SearchQueryService",
      "comment": "Filter and search for packages by keyword."
    },
    {
      "@id": "https://gitlab.example.com/api/v4/projects/1/packages/nuget/query",
      "@type": "SearchQueryService/3.0.0-beta",
      "comment": "Filter and search for packages by keyword."
    },
    {
      "@id": "https://gitlab.example.com/api/v4/projects/1/packages/nuget/query",
      "@type": "SearchQueryService/3.0.0-rc",
      "comment": "Filter and search for packages by keyword."
    },
    {
      "@id": "https://gitlab.example.com/api/v4/projects/1/packages/nuget/metadata",
      "@type": "RegistrationsBaseUrl",
      "comment": "Get package metadata."
    },
    {
      "@id": "https://gitlab.example.com/api/v4/projects/1/packages/nuget/metadata",
      "@type": "RegistrationsBaseUrl/3.0.0-beta",
      "comment": "Get package metadata."
    },
    {
      "@id": "https://gitlab.example.com/api/v4/projects/1/packages/nuget/metadata",
      "@type": "RegistrationsBaseUrl/3.0.0-rc",
      "comment": "Get package metadata."
    },
    {
      "@id": "https://gitlab.example.com/api/v4/projects/1/packages/nuget/download",
      "@type": "PackageBaseAddress/3.0.0",
      "comment": "Get package content (.nupkg)."
    },
    {
      "@id": "https://gitlab.example.com/api/v4/projects/1/packages/nuget",
      "@type": "PackagePublish/2.0.0",
      "comment": "Push and delete (or unlist) packages."
    },
    {
      "@id": "https://gitlab.example.com/api/v4/projects/1/packages/nuget/symbolpackage",
      "@type": "SymbolPackagePublish/4.9.0",
      "comment": "Push symbol packages."
    }
  ]
}
```

The URLs in the response have the same route prefix used to request them. If you request them with
the group-level route, the returned URLs contain `/groups/:id/-`.

## Metadata Service

> Introduced in GitLab 12.8.

Returns metadata for a package:

```plaintext
GET <route-prefix>/metadata/:package_name/index
```

| Attribute      | Type   | Required | Description |
| -------------- | ------ | -------- | ----------- |
| `package_name` | string | yes      | The name of the package. |

```shell
curl --user <username>:<personal_access_token> "https://gitlab.example.com/api/v4/projects/1/packages/nuget/metadata/MyNuGetPkg/index"
```

Example response:

```json
{
  "count": 1,
  "items": [
    {
      "@id": "https://gitlab.example.com/api/v4/projects/1/packages/nuget/metadata/MyNuGetPkg/1.3.0.17.json",
      "lower": "1.3.0.17",
      "upper": "1.3.0.17",
      "count": 1,
      "items": [
        {
          "@id": "https://gitlab.example.com/api/v4/projects/1/packages/nuget/metadata/MyNuGetPkg/1.3.0.17.json",
          "packageContent": "https://gitlab.example.com/api/v4/projects/1/packages/nuget/download/MyNuGetPkg/1.3.0.17/helloworld.1.3.0.17.nupkg",
          "catalogEntry": {
            "@id": "https://gitlab.example.com/api/v4/projects/1/packages/nuget/metadata/MyNuGetPkg/1.3.0.17.json",
            "authors": "",
            "dependencyGroups": [],
            "id": "MyNuGetPkg",
            "version": "1.3.0.17",
            "tags": "",
            "packageContent": "https://gitlab.example.com/api/v4/projects/1/packages/nuget/download/MyNuGetPkg/1.3.0.17/helloworld.1.3.0.17.nupkg",
            "summary": ""
          }
        }
      ]
    }
  ]
}
```

## Version Metadata Service

> Introduced in GitLab 12.8.

Returns metadata for a specific package version:

```plaintext
GET <route-prefix>/metadata/:package_name/index
```

| Attribute      | Type   | Required | Description |
| -------------- | ------ | -------- | ----------- |
| `package_name` | string | yes      | The name of the package. |

```shell
curl --user <username>:<personal_access_token> "https://gitlab.example.com/api/v4/projects/1/packages/nuget/metadata/MyNuGetPkg/1.3.0.17"
```

Example response:

```json
{
  "@id": "https://gitlab.example.com/api/v4/projects/1/packages/nuget/metadata/MyNuGetPkg/1.3.0.17.json",
  "packageContent": "https://gitlab.example.com/api/v4/projects/1/packages/nuget/download/MyNuGetPkg/1.3.0.17/helloworld.1.3.0.17.nupkg",
  "catalogEntry": {
    "@id": "https://gitlab.example.com/api/v4/projects/1/packages/nuget/metadata/MyNuGetPkg/1.3.0.17.json",
    "authors": "",
    "dependencyGroups": [],
    "id": "MyNuGetPkg",
    "version": "1.3.0.17",
    "tags": "",
    "packageContent": "https://gitlab.example.com/api/v4/projects/1/packages/nuget/download/MyNuGetPkg/1.3.0.17/helloworld.1.3.0.17.nupkg",
    "summary": ""
  }
}
```

## Search Service

> Introduced in GitLab 12.8.

Given a query, search for NuGet packages in the repository:

```plaintext
GET <route-prefix>/query
```

| Attribute    | Type    | Required | Description |
| ------------ | ------- | -------- | ----------- |
| `q`          | string  | yes      | The search query. |
| `skip`       | integer | no       | The number of results to skip. |
| `take`       | integer | no       | The number of results to return. |
| `prerelease` | boolean | no       | Include prerelease versions. Defaults to `true` if no value is supplied. |

```shell
curl --user <username>:<personal_access_token> "https://gitlab.example.com/api/v4/projects/1/packages/nuget/query?q=MyNuGet"
```

Example response:

```json
{
  "totalHits": 1,
  "data": [
    {
      "@type": "Package",
      "authors": "",
      "id": "MyNuGetPkg",
      "title": "MyNuGetPkg",
      "summary": "",
      "totalDownloads": 0,
      "verified": true,
      "version": "1.3.0.17",
      "versions": [
        {
          "@id": "https://gitlab.example.com/api/v4/projects/1/packages/nuget/metadata/MyNuGetPkg/1.3.0.17.json",
          "version": "1.3.0.17",
          "downloads": 0
        }
      ],
      "tags": ""
    }
  ]
}
```