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+---
+stage: Release
+group: Release
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
+type: reference, api
+---
+
+# DORA4 Analytics Project API **(ULTIMATE ONLY)**
+
+> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/279039) in [GitLab Ultimate](https://about.gitlab.com/pricing/) 13.7.
+
+All methods require reporter authorization.
+
+## List project deployment frequencies
+
+Get a list of all project deployment frequencies, sorted by date:
+
+```plaintext
+GET /projects/:id/analytics/deployment_frequency?environment=:environment&from=:from&to=:to&interval=:interval
+```
+
+| Attribute    | Type   | Required | Description           |
+|--------------|--------|----------|-----------------------|
+| `id`         | string | yes      | The ID of the project |
+
+| Parameter    | Type   | Required | Description           |
+|--------------|--------|----------|-----------------------|
+| `environment`| string | yes      | The name of the environment to filter by |
+| `from`       | string | yes      | Datetime range to start from, inclusive, ISO 8601 format (`YYYY-MM-DDTHH:MM:SSZ`) |
+| `to`         | string | no       | Datetime range to end at, exclusive, ISO 8601 format (`YYYY-MM-DDTHH:MM:SSZ`) |
+| `interval`   | string | no       | The bucketing interval (`all`, `monthly`, `daily`) |
+
+Example request:
+
+```shell
+curl --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/:id/analytics/deployment_frequency?environment=:environment&from=:from&to=:to&interval=:interval"
+```
+
+Example response:
+
+```json
+[
+  {
+    "from": "2017-01-01",
+    "to": "2017-01-02",
+    "value": 106
+  },
+  {
+    "from": "2017-01-02",
+    "to": "2017-01-03",
+    "value": 55
+  }
+]
+```