---
title: "Reset environment SDK key"
method: POST
path: "/api/v2/projects/{projectKey}/environments/{environmentKey}/apiKey"
tags: ["Environments"]
---

# Reset environment SDK key

`POST /api/v2/projects/{projectKey}/environments/{environmentKey}/apiKey`

Reset an environment's SDK key with an optional expiry time for the old key.

## Path parameters

- `projectKey` string, string, required — The project key
- `environmentKey` string, string, required — The environment key

## Query parameters

- `expiry` integer — The time at which you want the old SDK key to expire, in UNIX milliseconds. By default, the key expires immediately. During the period between this call and the time when the old SDK key expires, both the old SDK key and the new SDK key will work.

## Response `200`

Environment response

- Environment
  - `_links` object, required — The location and content type of related resources
  - `_id` string, required — The ID for the environment. Use this as the client-side ID for authorization in some client-side SDKs, and to associate LaunchDarkly environments with CDN integrations in edge SDKs.
  - `key` string, required — A project-unique key for the new environment
  - `name` string, required — A human-friendly name for the new environment
  - `apiKey` string, required — The SDK key for the environment. Use this for authorization in server-side SDKs.
  - `mobileKey` string, required — The mobile key for the environment. Use this for authorization in mobile SDKs.
  - `color` string, required — The color used to indicate this environment in the UI
  - `defaultTtl` integer, required — The default time (in minutes) that the PHP SDK can cache feature flag rules locally
  - `secureMode` boolean, required — Ensures that one end user of the client-side SDK cannot inspect the variations for another end user
  - `defaultTrackEvents` boolean, required — Enables tracking detailed information for new flags by default
  - `requireComments` boolean, required — Whether members who modify flags and segments through the LaunchDarkly user interface are required to add a comment
  - `confirmChanges` boolean, required — Whether members who modify flags and segments through the LaunchDarkly user interface are required to confirm those changes
  - `tags` string[], required — A list of tags for this environment
  - `approvalSettings` ApprovalSettings
    - `required` boolean, required — If approvals are required for this environment
    - `bypassApprovalsForPendingChanges` boolean, required — Whether to skip approvals for pending changes
    - `minNumApprovals` integer, required — Sets the amount of approvals required before a member can apply a change. The minimum is one and the maximum is five.
    - `canReviewOwnRequest` boolean, required — Allow someone who makes an approval request to apply their own change
    - `canApplyDeclinedChanges` boolean, required — Allow applying the change as long as at least one person has approved
    - `autoApplyApprovedChanges` boolean — Automatically apply changes that have been approved by all reviewers. This field is only applicable for approval services other than LaunchDarkly.
    - `serviceKind` string, required — Which service to use for managing approvals
    - `serviceConfig` object, required
    - `requiredApprovalTags` string[], required — Require approval only on flags with the provided tags. Otherwise all flags will require approval.
    - `serviceKindConfigurationId` string — Optional field for integration configuration ID of a custom approval integration. This is an Enterprise-only feature.
    - `resourceKind` string — The kind of resource for which the approval settings apply, for example, flag or segment
  - `resourceApprovalSettings` object — Details on the approval settings for this environment for each resource kind
  - `critical` boolean, required — Whether the environment is critical

## Other responses

- `400` — Invalid request
- `401` — Invalid access token
- `403` — Forbidden
- `404` — Invalid resource identifier
- `409` — Status conflict
- `429` — Rate limited

---

[API](https://skmtc.dev/launchdarkly/apis/launchdarkly-rest-api.md) · [All operations](https://skmtc.dev/launchdarkly/apis/launchdarkly-rest-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/launchdarkly/launchdarkly-rest-api/revisions/b2724c5174d1/schema)