statsig Feature Gates API
Endpoints for evaluating feature gates for users, returning boolean pass/fail values along with rule identification.
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OpenAPI Specification
openapi: 3.2.0
info:
title: Statsig HTTP Feature Gates API
description: The Statsig HTTP API allows developers to evaluate feature gates, dynamic configs, and experiments for users via server-side HTTP requests.
version: 1.0.0
contact:
name: Statsig Support
url: https://statsig.com/support
termsOfService: https://statsig.com/terms
servers:
- url: https://api.statsig.com/v1
description: Statsig API Server
security:
- statsigApiKey: []
tags:
- name: Feature Gates
description: Endpoints for evaluating feature gates for users, returning boolean pass/fail values along with rule identification.
paths:
/check_gate:
post:
operationId: checkGate
summary: Check a feature gate
description: Evaluates a single feature gate for the specified user and returns the boolean pass/fail result along with rule identification. Statsig automatically logs an exposure event for the gate check.
tags:
- Feature Gates
requestBody:
required: true
content:
application/json:
schema:
type: object
required:
- user
- gateName
properties:
user:
$ref: '#/components/schemas/StatsigUser'
gateName:
type: string
description: The name of the feature gate to evaluate.
responses:
'200':
description: Gate evaluation result
content:
application/json:
schema:
type: object
properties:
name:
type: string
description: The name of the gate that was evaluated.
value:
type: boolean
description: Whether the user passes the gate.
rule_id:
type: string
description: The identifier of the rule that was matched.
group_name:
type: string
description: The name of the group the user was assigned to.
'401':
$ref: '#/components/responses/Unauthorized'
/check_gate_multiple:
post:
operationId: checkGateMultiple
summary: Check multiple feature gates
description: Evaluates multiple feature gates for the specified user in a single request and returns the boolean pass/fail results for each gate. Statsig automatically logs exposure events for each gate check.
tags:
- Feature Gates
requestBody:
required: true
content:
application/json:
schema:
type: object
required:
- user
- gateNames
properties:
user:
$ref: '#/components/schemas/StatsigUser'
gateNames:
type: array
items:
type: string
description: An array of feature gate names to evaluate.
responses:
'200':
description: Multiple gate evaluation results
content:
application/json:
schema:
type: object
properties:
results:
type: array
items:
type: object
properties:
name:
type: string
description: The name of the gate that was evaluated.
value:
type: boolean
description: Whether the user passes the gate.
rule_id:
type: string
description: The identifier of the rule that was matched.
group_name:
type: string
description: The name of the group the user was assigned to.
'401':
$ref: '#/components/responses/Unauthorized'
components:
schemas:
StatsigUser:
type: object
description: The user object representing the end user being evaluated. At minimum, a userID should be provided. Additional properties enable more sophisticated targeting.
properties:
userID:
type: string
description: A unique identifier for the user.
email:
type: string
format: email
description: The email address of the user, used for email-based targeting.
ip:
type: string
description: The IP address of the user, used for IP-based targeting.
userAgent:
type: string
description: The user agent string, used for browser or device targeting.
country:
type: string
description: The two-letter country code of the user.
locale:
type: string
description: The locale identifier for the user.
appVersion:
type: string
description: The version of the application the user is using.
custom:
type: object
additionalProperties: true
description: Custom properties for the user, used for custom targeting rules.
privateAttributes:
type: object
additionalProperties: true
description: Private user attributes used for evaluation but stripped before logging to Statsig servers.
customIDs:
type: object
additionalProperties:
type: string
description: Custom identifier mappings for the user, such as companyID or teamID.
responses:
Unauthorized:
description: Missing or invalid API key
content:
application/json:
schema:
type: object
properties:
message:
type: string
description: Error message describing the authentication failure.
securitySchemes:
statsigApiKey:
type: apiKey
in: header
name: statsig-api-key
description: API key for authentication. Use a Server Secret Key for secure server-side requests or a Client-SDK Key for client-side applications.
externalDocs:
description: Statsig HTTP API Documentation
url: https://docs.statsig.com/http-api/