Create and manage user segments for targeting groups of contexts with feature flags.
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openapi: 3.2.0
info:
title: LaunchDarkly REST Segments API
description: The LaunchDarkly REST API provides programmatic access to the full LaunchDarkly feature management platform.
version: '20240415'
contact:
name: LaunchDarkly Support
url: https://support.launchdarkly.com
termsOfService: https://launchdarkly.com/policies/terms-of-service
license:
name: Apache 2.0
url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: https://app.launchdarkly.com/api/v2
description: LaunchDarkly Production API
security:
- bearerAuth: []
tags:
- name: Segments
description: Create and manage user segments for targeting groups of contexts with feature flags.
paths:
/segments/{projectKey}/{environmentKey}:
get:
operationId: listSegments
summary: List segments
description: Returns a list of all user segments in the specified project and environment.
tags:
- Segments
parameters:
- $ref: '#/components/parameters/ProjectKey'
- $ref: '#/components/parameters/EnvironmentKey'
- name: limit
in: query
description: Maximum number of segments to return.
schema:
type: integer
- name: offset
in: query
description: Number of segments to skip for pagination.
schema:
type: integer
responses:
'200':
description: Successful response containing a list of segments.
content:
application/json:
schema:
$ref: '#/components/schemas/Segments'
'401':
description: Unauthorized. Invalid or missing access token.
'404':
description: Project or environment not found.
post:
operationId: createSegment
summary: Create a segment
description: Creates a new user segment in the specified project and environment.
tags:
- Segments
parameters:
- $ref: '#/components/parameters/ProjectKey'
- $ref: '#/components/parameters/EnvironmentKey'
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/SegmentBody'
responses:
'201':
description: Segment created successfully.
content:
application/json:
schema:
$ref: '#/components/schemas/Segment'
'400':
description: Invalid request body.
'401':
description: Unauthorized. Invalid or missing access token.
'409':
description: A segment with the given key already exists.
/segments/{projectKey}/{environmentKey}/{segmentKey}:
get:
operationId: getSegment
summary: Get a segment
description: Returns a single user segment by its key.
tags:
- Segments
parameters:
- $ref: '#/components/parameters/ProjectKey'
- $ref: '#/components/parameters/EnvironmentKey'
- $ref: '#/components/parameters/SegmentKey'
responses:
'200':
description: Successful response containing the segment.
content:
application/json:
schema:
$ref: '#/components/schemas/Segment'
'401':
description: Unauthorized. Invalid or missing access token.
'404':
description: Segment not found.
patch:
operationId: patchSegment
summary: Update a segment
description: Updates a segment using a JSON Patch or semantic patch representation.
tags:
- Segments
parameters:
- $ref: '#/components/parameters/ProjectKey'
- $ref: '#/components/parameters/EnvironmentKey'
- $ref: '#/components/parameters/SegmentKey'
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/PatchOperation'
responses:
'200':
description: Segment updated successfully.
content:
application/json:
schema:
$ref: '#/components/schemas/Segment'
'400':
description: Invalid patch request.
'401':
description: Unauthorized. Invalid or missing access token.
'404':
description: Segment not found.
delete:
operationId: deleteSegment
summary: Delete a segment
description: Permanently deletes a user segment.
tags:
- Segments
parameters:
- $ref: '#/components/parameters/ProjectKey'
- $ref: '#/components/parameters/EnvironmentKey'
- $ref: '#/components/parameters/SegmentKey'
responses:
'204':
description: Segment deleted successfully.
'401':
description: Unauthorized. Invalid or missing access token.
'404':
description: Segment not found.
components:
parameters:
ProjectKey:
name: projectKey
in: path
required: true
description: The project key identifying a LaunchDarkly project.
schema:
type: string
pattern: ^[a-z0-9]([a-z0-9-])*$
SegmentKey:
name: segmentKey
in: path
required: true
description: The segment key identifying a specific user segment.
schema:
type: string
EnvironmentKey:
name: environmentKey
in: path
required: true
description: The environment key identifying a specific environment.
schema:
type: string
pattern: ^[a-z0-9]([a-z0-9-])*$
schemas:
SegmentBody:
type: object
description: The request body for creating a new user segment.
required:
- name
- key
properties:
name:
type: string
description: The human-readable name of the segment.
key:
type: string
description: The segment key.
description:
type: string
description: A description of the segment.
tags:
type: array
description: Tags to apply to the segment.
items:
type: string
Clause:
type: object
description: A condition clause used in targeting rules.
properties:
attribute:
type: string
description: The context attribute to evaluate.
op:
type: string
description: The comparison operator.
enum:
- in
- endsWith
- startsWith
- matches
- contains
- lessThan
- lessThanOrEqual
- greaterThan
- greaterThanOrEqual
- before
- after
- segmentMatch
- semVerEqual
- semVerLessThan
- semVerGreaterThan
values:
type: array
description: The values to compare against.
items: {}
negate:
type: boolean
description: Whether to negate the clause.
contextKind:
type: string
description: The context kind to evaluate.
PatchOperation:
type: object
description: A JSON Patch or semantic patch request.
properties:
patch:
type: array
description: An array of JSON Patch operations.
items:
type: object
required:
- op
- path
properties:
op:
type: string
description: The patch operation type.
enum:
- add
- remove
- replace
- move
- copy
- test
path:
type: string
description: The JSON Pointer path to the target field.
value:
description: The value to apply for add or replace operations.
comment:
type: string
description: An optional comment describing the change.
Segment:
type: object
description: A user segment for targeting groups of contexts.
properties:
key:
type: string
description: The segment key.
name:
type: string
description: The human-readable name of the segment.
description:
type: string
description: A description of the segment.
tags:
type: array
description: Tags applied to this segment.
items:
type: string
creationDate:
type: integer
format: int64
description: Unix epoch timestamp when the segment was created.
included:
type: array
description: Context keys explicitly included in this segment.
items:
type: string
excluded:
type: array
description: Context keys explicitly excluded from this segment.
items:
type: string
rules:
type: array
description: Targeting rules for this segment.
items:
$ref: '#/components/schemas/SegmentRule'
version:
type: integer
description: The current version of this segment.
_links:
$ref: '#/components/schemas/Links'
SegmentRule:
type: object
description: A targeting rule within a user segment.
properties:
_id:
type: string
description: The unique identifier for this rule.
clauses:
type: array
description: The conditions for this rule.
items:
$ref: '#/components/schemas/Clause'
weight:
type: integer
description: The percentage of matching contexts to include (0-100000 in thousandths of a percent).
bucketBy:
type: string
description: The attribute to bucket by for percentage inclusion.
Links:
type: object
description: HATEOAS links for navigating related resources.
properties:
self:
type: object
description: A link to this resource.
properties:
href:
type: string
description: The URL of this resource.
type:
type: string
description: The media type.
additionalProperties:
type: object
properties:
href:
type: string
description: The URL of the linked resource.
type:
type: string
description: The media type.
Segments:
type: object
description: A paginated collection of user segments.
properties:
items:
type: array
description: The list of user segments.
items:
$ref: '#/components/schemas/Segment'
totalCount:
type: integer
description: The total number of segments.
_links:
$ref: '#/components/schemas/Links'
securitySchemes:
bearerAuth:
type: http
scheme: bearer
description: LaunchDarkly API access token. Create personal or service tokens in the LaunchDarkly dashboard under Account Settings.
externalDocs:
description: LaunchDarkly API Documentation
url: https://apidocs.launchdarkly.com/