--- stage: Manage group: Optimize 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)** > [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/279039) in GitLab 13.7. WARNING: These endpoints are deprecated and will be removed in GitLab 14.0. Use the [DORA metrics API](dora/metrics.md) instead. 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 | | `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: " "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 } ] ```