> ## Documentation Index > Fetch the complete documentation index at: https://docs.blaxel.ai/llms.txt > Use this file to discover all available pages before exploring further. # Retrieve feature flag evaluation for workspace > Evaluates a specific feature flag for the workspace with full details including variant and payload. Useful for testing and debugging feature flag targeting. ## OpenAPI ````yaml /api-reference/controlplane.yml get /features/{featureKey} openapi: 3.0.3 info: title: Blaxel Control Plane version: 0.0.1 servers: - description: Blaxel Control Plane url: https://api.blaxel.ai/v0 - description: Blaxel Inference url: https://run.blaxel.ai security: - OAuth2: - admin - ApiKeyAuth: [] paths: /features/{featureKey}: get: tags: - featureFlags summary: Retrieve feature flag evaluation for workspace description: >- Evaluates a specific feature flag for the workspace with full details including variant and payload. Useful for testing and debugging feature flag targeting. operationId: testFeatureFlag parameters: - description: Name of the feature flag in: path name: featureKey required: true schema: type: string - description: >- Account ID to check feature flags for. When provided, evaluates the feature flag at the account level instead of the workspace level. in: query name: account required: false schema: type: string responses: '200': content: application/json: example: enabled: true evaluatedAt: '2026-02-09T10:30:00Z' featureKey: gpu_deployments payload: allowed_types: - A100 - H100 max_gpus: 4 variant: variant_a schema: properties: enabled: type: boolean evaluatedAt: format: date-time type: string featureKey: type: string payload: type: object variant: type: string type: object description: Feature flag evaluation result with details '401': content: application/json: schema: $ref: '#/components/schemas/Error' description: Unauthorized - Invalid or missing authentication credentials '403': content: application/json: schema: $ref: '#/components/schemas/Error' description: Forbidden - You do not have access to this feature flag '404': content: application/json: schema: $ref: '#/components/schemas/Error' description: Not found - Feature flag not found security: - OAuth2: - featureFlags:get - ApiKeyAuth: [] components: schemas: Error: type: object description: Standard error response returned by the API when a request fails properties: code: type: integer description: HTTP status code of the error example: 409 error: type: string description: Error type or code identifying the kind of error example: Resource already exists message: type: string description: Human-readable error message describing what went wrong example: Invalid request body required: - error securitySchemes: OAuth2: description: OAuth2 authentication with JWT tokens flows: authorizationCode: authorizationUrl: /oauth/authorize scopes: admin: Administrative access agents:create: Create agents agents:delete: Delete agents agents:get: Get agent details agents:list: List agents agents:update: Update agents apiKey:list: List API keys apiKey:write: Create and delete API keys configurations:list: List configurations customdomains:create: Create custom domains customdomains:delete: Delete custom domains customdomains:get: Get custom domain details customdomains:list: List custom domains customdomains:update: Update custom domains functions:create: Create functions functions:delete: Delete functions functions:get: Get function details functions:list: List functions functions:update: Update functions integrations:create: Create integrations integrations:list: List integrations invitations:list: List invitations jobs:create: Create jobs jobs:delete: Delete jobs jobs:get: Get job details jobs:list: List jobs jobs:update: Update jobs locations:list: List locations mcphub:list: List MCP hub resources models:create: Create models models:delete: Delete models models:get: Get model details models:list: List models models:update: Update models policies:create: Create policies policies:delete: Delete policies policies:get: Get policy details policies:list: List policies policies:update: Update policies sandboxes:control: Control sandbox operations sandboxes:create: Create sandboxes sandboxes:delete: Delete sandboxes sandboxes:get: Get sandbox details sandboxes:list: List sandboxes sandboxes:update: Update sandboxes sandboxhub:list: List sandbox hub resources templates:get: Get template details templates:list: List templates volumeTemplates:create: Create volume templates volumeTemplates:delete: Delete volume templates volumeTemplates:get: Get volume template details volumeTemplates:list: List volume templates volumeTemplates:upsert: Create or update volume templates volumes:create: Create volumes volumes:delete: Delete volumes volumes:get: Get volume details volumes:list: List volumes workspaces:accept: Accept workspace invitation workspaces:create: Create workspaces workspaces:decline: Decline workspace invitation workspaces:delete: Delete workspaces workspaces:get: Get workspace details workspaces:invite: Invite users to workspace workspaces:leave: Leave workspace workspaces:list: List workspaces workspaces:remove: Remove users from workspace workspaces:update: Update workspaces tokenUrl: /oauth/token clientCredentials: scopes: admin: Administrative access agents:create: Create agents agents:delete: Delete agents agents:get: Get agent details agents:list: List agents agents:update: Update agents apiKey:list: List API keys apiKey:write: Create and delete API keys configurations:list: List configurations customdomains:create: Create custom domains customdomains:delete: Delete custom domains customdomains:get: Get custom domain details customdomains:list: List custom domains customdomains:update: Update custom domains functions:create: Create functions functions:delete: Delete functions functions:get: Get function details functions:list: List functions functions:update: Update functions integrations:create: Create integrations integrations:list: List integrations invitations:list: List invitations jobs:create: Create jobs jobs:delete: Delete jobs jobs:get: Get job details jobs:list: List jobs jobs:update: Update jobs locations:list: List locations mcphub:list: List MCP hub resources models:create: Create models models:delete: Delete models models:get: Get model details models:list: List models models:update: Update models policies:create: Create policies policies:delete: Delete policies policies:get: Get policy details policies:list: List policies policies:update: Update policies sandboxes:control: Control sandbox operations sandboxes:create: Create sandboxes sandboxes:delete: Delete sandboxes sandboxes:get: Get sandbox details sandboxes:list: List sandboxes sandboxes:update: Update sandboxes sandboxhub:list: List sandbox hub resources templates:get: Get template details templates:list: List templates volumeTemplates:create: Create volume templates volumeTemplates:delete: Delete volume templates volumeTemplates:get: Get volume template details volumeTemplates:list: List volume templates volumeTemplates:upsert: Create or update volume templates volumes:create: Create volumes volumes:delete: Delete volumes volumes:get: Get volume details volumes:list: List volumes workspaces:accept: Accept workspace invitation workspaces:create: Create workspaces workspaces:decline: Decline workspace invitation workspaces:delete: Delete workspaces workspaces:get: Get workspace details workspaces:invite: Invite users to workspace workspaces:leave: Leave workspace workspaces:list: List workspaces workspaces:remove: Remove users from workspace workspaces:update: Update workspaces tokenUrl: /oauth/token type: oauth2 ApiKeyAuth: bearerFormat: API Key description: Long-lived API key for programmatic access scheme: bearer type: http ````