GrowthBook Attributes API

Used when targeting feature flags and experiments.

Operations 4

GET /v1/attributes Get the organization's attributes #
POST /v1/attributes Create a new attribute #
PUT /v1/attributes/{property} Update an attribute #
DELETE /v1/attributes/{property} Deletes a single attribute #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/growthbook-attributes-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

growthbook-attributes-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  version: 1.0.0
  title: GrowthBook REST Attributes API
  description: GrowthBook offers a full REST API for interacting with the application.
servers:
- url: https://api.growthbook.io/api
  description: GrowthBook Cloud
- url: https://{domain}/api
  description: Self-hosted GrowthBook
security:
- bearerAuth: []
- basicAuth: []
tags:
- name: Attributes
  x-displayName: Attributes
  description: Used when targeting feature flags and experiments.
paths:
  /v1/attributes:
    get:
      operationId: listAttributes
      summary: Get the organization's attributes
      tags:
      - Attributes
      responses:
        '200':
          content:
            application/json:
              schema:
                type: object
                properties:
                  attributes:
                    type: array
                    items:
                      $ref: '#/components/schemas/Attribute'
                required:
                - attributes
                additionalProperties: false
      x-codeSamples:
      - lang: cURL
        source: "curl -X GET 'https://api.growthbook.io/api/v1/attributes' \\\n  -H 'Authorization: Bearer YOUR_API_KEY'"
    post:
      operationId: postAttribute
      summary: Create a new attribute
      tags:
      - Attributes
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                property:
                  description: The attribute property
                  type: string
                datatype:
                  description: The attribute datatype
                  type: string
                  enum:
                  - boolean
                  - string
                  - number
                  - secureString
                  - enum
                  - string[]
                  - number[]
                  - secureString[]
                description:
                  description: The description of the new attribute
                  type: string
                archived:
                  description: The attribute is archived
                  type: boolean
                hashAttribute:
                  description: Shall the attribute be hashed
                  type: boolean
                enum:
                  type: string
                format:
                  description: The attribute's format
                  type: string
                  enum:
                  - ''
                  - version
                  - date
                  - isoCountryCode
                projects:
                  type: array
                  items:
                    type: string
                tags:
                  type: array
                  items:
                    type: string
              required:
              - property
              - datatype
              additionalProperties: false
      responses:
        '200':
          content:
            application/json:
              schema:
                type: object
                properties:
                  attribute:
                    $ref: '#/components/schemas/Attribute'
                required:
                - attribute
                additionalProperties: false
      x-codeSamples:
      - lang: cURL
        source: "curl -X POST 'https://api.growthbook.io/api/v1/attributes' \\\n  -H 'Authorization: Bearer YOUR_API_KEY' \\\n  -H 'Content-Type: application/json' \\\n  -d '{\"property\":\"foo\",\"datatype\":\"boolean\",\"description\":\"My new attribute\"}'"
  /v1/attributes/{property}:
    put:
      operationId: putAttribute
      summary: Update an attribute
      tags:
      - Attributes
      parameters:
      - $ref: '#/components/parameters/property'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                datatype:
                  description: The attribute datatype
                  type: string
                  enum:
                  - boolean
                  - string
                  - number
                  - secureString
                  - enum
                  - string[]
                  - number[]
                  - secureString[]
                description:
                  description: The description of the new attribute
                  type: string
                archived:
                  description: The attribute is archived
                  type: boolean
                hashAttribute:
                  description: Shall the attribute be hashed
                  type: boolean
                enum:
                  type: string
                format:
                  description: The attribute's format
                  type: string
                  enum:
                  - ''
                  - version
                  - date
                  - isoCountryCode
                projects:
                  type: array
                  items:
                    type: string
                tags:
                  type: array
                  items:
                    type: string
              additionalProperties: false
      responses:
        '200':
          content:
            application/json:
              schema:
                type: object
                properties:
                  attribute:
                    $ref: '#/components/schemas/Attribute'
                required:
                - attribute
                additionalProperties: false
      x-codeSamples:
      - lang: cURL
        source: "curl -X PUT 'https://api.growthbook.io/api/v1/attributes/abc123' \\\n  -H 'Authorization: Bearer YOUR_API_KEY' \\\n  -H 'Content-Type: application/json' \\\n  -d '{\"description\":\"My updated attribute\"}'"
    delete:
      operationId: deleteAttribute
      summary: Deletes a single attribute
      tags:
      - Attributes
      parameters:
      - $ref: '#/components/parameters/property'
      responses:
        '200':
          content:
            application/json:
              schema:
                type: object
                properties:
                  deletedProperty:
                    type: string
                required:
                - deletedProperty
                additionalProperties: false
      x-codeSamples:
      - lang: cURL
        source: "curl -X DELETE 'https://api.growthbook.io/api/v1/attributes/abc123' \\\n  -H 'Authorization: Bearer YOUR_API_KEY'"
components:
  schemas:
    Attribute:
      type: object
      properties:
        property:
          type: string
        datatype:
          type: string
          enum:
          - boolean
          - string
          - number
          - secureString
          - enum
          - string[]
          - number[]
          - secureString[]
        description:
          type: string
        hashAttribute:
          type: boolean
        archived:
          type: boolean
        enum:
          type: string
        format:
          type: string
          enum:
          - ''
          - version
          - date
          - isoCountryCode
        projects:
          type: array
          items:
            type: string
        tags:
          type: array
          items:
            type: string
      required:
      - property
      - datatype
      additionalProperties: false
  parameters:
    property:
      name: property
      in: path
      required: true
      description: The attribute property
      schema:
        description: The attribute property
        type: string
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: 'If using Bearer auth, pass the Secret Key as the token:

        ```bash

        curl https://api.growthbook.io/api/v1/features   -H "Authorization: Bearer secret_abc123DEF456"

        ```

        '
    basicAuth:
      type: http
      scheme: basic
      description: 'If using HTTP Basic auth, pass the Secret Key as the username and leave the password blank:

        ```bash

        curl https://api.growthbook.io/api/v1/features   -u secret_abc123DEF456:

        # The ":" at the end stops curl from asking for a password

        ```

        '
x-tagGroups:
- name: Endpoints
  tags:
  - projects
  - environments
  - features-v2
  - feature-revisions-v2
  - features
  - feature-revisions
  - ramp-schedules
  - data-sources
  - fact-tables
  - fact-metrics
  - metrics
  - experiments
  - namespaces
  - snapshots
  - dimensions
  - segments
  - sdk-connections
  - visual-changesets
  - saved-groups
  - organizations
  - members
  - code-references
  - archetypes
  - queries
  - settings
  - attributes
  - usage
  - Dashboards
  - CustomFields
  - MetricGroups
  - Teams
  - ExperimentTemplates
  - AnalyticsExplorations
  - RampScheduleTemplates
- name: Models
  tags:
  - AnalyticsExploration_model
  - Archetype_model
  - Attribute_model
  - CodeRef_model
  - CustomField_model
  - Dashboard_model
  - DataSource_model
  - Dimension_model
  - Environment_model
  - Experiment_model
  - ExperimentAnalysisSettings_model
  - ExperimentDecisionFrameworkSettings_model
  - ExperimentMetric_model
  - ExperimentMetricOverrideEntry_model
  - ExperimentResults_model
  - ExperimentSnapshot_model
  - ExperimentTemplate_model
  - ExperimentWithEnhancedStatus_model
  - FactMetric_model
  - FactTable_model
  - FactTableColumn_model
  - FactTableFilter_model
  - Feature_model
  - FeatureBaseRule_model
  - FeatureDefinition_model
  - FeatureEnvironment_model
  - FeatureEnvironmentV2_model
  - FeatureExperimentRefRule_model
  - FeatureExperimentRule_model
  - FeatureForceRule_model
  - FeatureRevision_model
  - FeatureRevisionV2_model
  - FeatureRolloutRule_model
  - FeatureRule_model
  - FeatureRuleV2_model
  - FeatureSafeRolloutRule_model
  - FeatureV2_model
  - FeatureWithRevisions_model
  - FeatureWithRevisionsV2_model
  - InformationSchema_model
  - InformationSchemaTable_model
  - LookbackOverride_model
  - Member_model
  - Metric_model
  - MetricAnalysis_model
  - MetricGroup_model
  - MetricUsage_model
  - Namespace_model
  - NamespaceExperimentMember_model
  - Organization_model
  - PaginationFields_model
  - Project_model
  - Query_model
  - RampSchedule_model
  - RampScheduleTemplate_model
  - SavedGroup_model
  - ScheduleRule_model
  - SdkConnection_model
  - Segment_model
  - Settings_model
  - Team_model
  - VisualChange_model
  - VisualChangeset_model