For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
13.5kProductPricingSign inStart free trialBook a demo
DocsAPIsSDKsEnterprise EdgeGuidesAcademyRelease notes
DocsAPIsSDKsEnterprise EdgeGuidesAcademyRelease notes
    • API overview
  • Client API
  • Frontend API
  • Admin API
      • GET[BETA] Get all signal endpoints.
      • POST[BETA] Create a signal endpoint.
      • PUT[BETA] Update a signal endpoint.
      • DEL[BETA] Delete a signal endpoint.
      • POST[BETA] Enables a signal endpoint.
      • POST[BETA] Disables a signal endpoint.
      • GET[BETA] Get all signal endpoint tokens for a specific signal endpoint.
      • POST[BETA] Create a signal endpoint token for a specific signal endpoint.
      • PUT[BETA] Update a signal endpoint token.
      • DEL[BETA] Delete a signal endpoint token.
      • GET[BETA] Get signals originated from a specific signal endpoint.
      • POST[BETA] Call a signal endpoint.
      • GET[BETA] Get all signals that match the query parameter criteria.
      • GETGet Invoices
      • GETGet Detailed Invoices
      • GETGet instance readiness status
      • GETGet instance operational status

Unleash reduces the risk of releasing new features, drives innovation by streamlining the software release process, and increases revenue by optimizing end-user experience. While we serve the needs of the world's largest, most security-conscious organizations, we are also rated the “Easiest Feature Management system to use” by G2.

GitHubGitHubLinkedInLinkedInX (Twitter)X (Twitter)SlackSlackStack OverflowStack OverflowYouTubeYouTube

Server SDKs

  • Node.js
  • Java
  • Go
  • Rust
  • Ruby
  • Python
  • .NET
  • PHP
  • All SDKs

Frontend SDKs

  • JavaScript
  • React
  • Next.js
  • Vue
  • iOS
  • Android
  • Flutter

Feature Flag use cases

  • Secure, scalable feature flags
  • Rollbacks
  • FedRAMP, SOC2, ISO2700 compliance
  • Progressive or gradual rollouts
  • Trunk-based development
  • Software kill switches
  • A/B testing
  • Feature management
  • Canary releases

Product

  • Quickstart
  • Unleash architecture
  • Pricing
  • Product vision
  • Open live demo
  • Open source
  • Enterprise feature management platform
  • Unleash vs LaunchDarkly

Support

  • Help center
  • Status
  • Changelog
Made in a cosy atmosphere in the Nordic countries.Copyright © 2026 Unleash
LogoLogo
13.5kProductPricingSign inStart free trialBook a demo
Admin APIOperational

Get instance operational status

||View as Markdown|
GET
https://app.unleash-instance.example.com/health
GET
/health
$curl https://app.unleash-instance.example.com/health \
>     -H "Authorization: <apiKey>"
1{
2  "health": "GOOD"
3}

This operation returns information about whether this Unleash instance is healthy and ready to serve requests or not. Typically used by your deployment orchestrator (e.g. Kubernetes, Docker Swarm, Mesos, et al.).

Was this page helpful?
Previous

Get all personal access tokens (PATs) for the current user.

Next
Built with

Authentication

Authorizationstring
API key needed to access this API
OR
AuthorizationBearer
API key needed to access this API, in Bearer token format

Response

healthCheckSchema
healthenum
The state this Unleash instance is in. GOOD if the server is up and running. It never returns BAD, if the server is unhealthy you will get an unsuccessful http response.
Allowed values:

Errors

500
Internal Server Error