PostHog

aid: posthog
name: PostHog
description: PostHog is an open source product analytics platform that provides event tracking, session
  recording, feature flags, A/B testing, and user surveys in a single platform. It can be self-hosted
  or used as a cloud service, giving teams full control over their product data while providing comprehensive
  tools for understanding and improving user experiences.
type: Index
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
  - A/B Testing
  - Analytics
  - Feature Flags
  - Open Source
  - Product Analytics
  - Session Recording
url: https://raw.githubusercontent.com/api-evangelist/posthog/refs/heads/main/apis.yml
created: '2026-03-26'
modified: '2026-05-04'
specificationVersion: '0.19'
apis:
  - aid: posthog:posthog
    name: PostHog API
    description: The PostHog API is a single consolidated REST interface that exposes every PostHog capability
      available in the UI, including event capture, person and group profiles, cohorts, feature flags,
      experiments, insights, dashboards, annotations, sessions, surveys, web analytics, and HogQL queries.
      It supports project-scoped and personal API key authentication for both PostHog Cloud and self-hosted
      deployments.
    humanURL: https://posthog.com/docs/api
    baseURL: https://app.posthog.com/api
    tags:
      - Analytics
      - Annotations
      - Cohorts
      - Dashboards
      - Events
      - Experimentation
      - Feature Flags
      - HogQL
      - Insights
      - Persons
      - Product Analytics
      - Surveys
    properties:
      - type: Documentation
        url: https://posthog.com/docs/api
      - type: GettingStarted
        url: https://posthog.com/docs/api
      - type: Authentication
        url: https://posthog.com/docs/api#authentication
      - type: OpenAPI
        url: openapi/posthog-openapi.yml
  - aid: posthog:capture-api
    name: PostHog Capture API
    description: The PostHog Capture API allows developers to send events, identify users, and set user
      or group properties from any server or client. It is the primary ingestion endpoint for sending
      analytics data to PostHog and supports batch event submission, feature flag evaluation, and alias
      operations for identity resolution.
    humanURL: https://posthog.com/docs/api/capture
    tags:
      - Analytics
      - Events
      - Ingestion
      - Tracking
    properties:
      - type: Documentation
        url: https://posthog.com/docs/api/capture
  - aid: posthog:query-api
    name: PostHog Query API
    description: The PostHog Query API provides programmatic access to run HogQL queries against your
      PostHog data. HogQL is PostHog's SQL-like query language that enables custom analytics queries,
      funnel analysis, retention analysis, and trend calculations. This API allows developers to build
      custom dashboards and reporting tools powered by PostHog data.
    humanURL: https://posthog.com/docs/api/query
    tags:
      - Analytics
      - HogQL
      - Queries
      - Reporting
    properties:
      - type: Documentation
        url: https://posthog.com/docs/api/query
  - aid: posthog:persons-api
    name: PostHog Persons API
    description: The PostHog Persons API allows developers to retrieve, search, and manage person profiles
      in PostHog. It supports listing persons with filters, retrieving individual person details, viewing
      associated events and properties, and managing person data including deletions for privacy compliance.
    humanURL: https://posthog.com/docs/api/persons
    tags:
      - Analytics
      - Identity
      - Profiles
      - Users
    properties:
      - type: Documentation
        url: https://posthog.com/docs/api/persons
  - aid: posthog:feature-flags-api
    name: PostHog Feature Flags API
    description: The PostHog Feature Flags API enables developers to create, manage, and evaluate feature
      flags programmatically. It supports boolean and multivariate flags, percentage-based rollouts, user
      targeting with property filters, and integration with PostHog's experimentation framework for A/B
      testing.
    humanURL: https://posthog.com/docs/api/feature-flags
    tags:
      - A/B Testing
      - Experimentation
      - Feature Flags
      - Rollouts
    properties:
      - type: Documentation
        url: https://posthog.com/docs/api/feature-flags
  - aid: posthog:experiments-api
    name: PostHog Experiments API
    description: The PostHog Experiments API provides programmatic management of A/B tests and experiments.
      It supports creating experiments with control and test variants, defining goal metrics, launching
      and stopping experiments, and retrieving experiment results with statistical significance calculations.
    humanURL: https://posthog.com/docs/api/experiments
    tags:
      - A/B Testing
      - Experimentation
      - Metrics
      - Variants
    properties:
      - type: Documentation
        url: https://posthog.com/docs/api/experiments
  - aid: posthog:insights-api
    name: PostHog Insights API
    description: The PostHog Insights API allows developers to create, retrieve, and manage saved insights
      such as trends, funnels, retention charts, paths, and lifecycle analyses. It provides programmatic
      access to the same analytics visualizations available in the PostHog UI, enabling integration with
      external dashboards and automated reporting workflows.
    humanURL: https://posthog.com/docs/api/insights
    tags:
      - Analytics
      - Dashboards
      - Insights
      - Reporting
    properties:
      - type: Documentation
        url: https://posthog.com/docs/api/insights
  - aid: posthog:cohorts-api
    name: PostHog Cohorts API
    description: The PostHog Cohorts API enables developers to create and manage cohorts, which are groups
      of users defined by shared properties or behavioral patterns. Cohorts can be used for targeting
      feature flags, filtering analytics queries, and segmenting experiment populations.
    humanURL: https://posthog.com/docs/api/cohorts
    tags:
      - Analytics
      - Cohorts
      - Segmentation
      - Users
    properties:
      - type: Documentation
        url: https://posthog.com/docs/api/cohorts
  - aid: posthog:annotations-api
    name: PostHog Annotations API
    description: The PostHog Annotations API allows developers to create and manage annotations that mark
      significant events on PostHog charts and dashboards. Annotations provide context for data changes
      by recording deployments, marketing campaigns, incidents, and other events that may affect metrics.
    humanURL: https://posthog.com/docs/api/annotations
    tags:
      - Analytics
      - Annotations
      - Charts
    properties:
      - type: Documentation
        url: https://posthog.com/docs/api/annotations
common:
  - type: Website
    url: https://posthog.com
  - type: Documentation
    url: https://posthog.com/docs
  - type: APIDocumentation
    url: https://posthog.com/docs/api
  - type: GettingStarted
    url: https://posthog.com/docs/getting-started/install
  - type: Blog
    url: https://posthog.com/blog
  - type: Pricing
    url: https://posthog.com/pricing
  - type: GitHub
    url: https://github.com/PostHog/posthog
  - type: Login
    url: https://app.posthog.com/login
  - type: Signup
    url: https://app.posthog.com/signup
  - type: Support
    url: https://posthog.com/questions
  - type: Changelog
    url: https://posthog.com/changelog
  - type: SDKs
    url: https://posthog.com/docs/libraries
  - type: SelfHosted
    url: https://posthog.com/docs/self-host
  - type: StatusPage
    url: https://status.posthog.com
  - type: Slack
    url: https://posthog.com/slack
  - type: TermsOfService
    url: https://posthog.com/terms
  - type: PrivacyPolicy
    url: https://posthog.com/privacy
  - type: Features
    data:
      - 'Product Analytics: 1M events free, tiered $0.0000500-$0.0000090 per event'
      - 'Session Replay: 5K replays free, tiered $0.005-$0.0015 per replay'
      - 'Feature Flags + Experiments: 1M requests free, tiered down to $0.00001'
      - 'Enterprise: SAML/RBAC/audit logs as add-on'
      - Open-source self-hosted alternative (PostHog Cloud or self-host)
      - Capture API for events from web/mobile/server
      - HogQL (SQL-style query language)
      - Decide API for flag evaluation
      - 'Public API: 240 req/min/user'
      - Auto-capture for click/page-view tracking
      - Webhooks for actions and cohort changes
      - Personal API keys + project keys
      - 'SDK ecosystem: JS, React, mobile, server (10+)'
      - Surveys, A/B tests, multivariate experiments
      - Data warehouse integration (BigQuery, Snowflake, Redshift)
      - EU + US data residency
    sources:
      - https://posthog.com/pricing
    updated: '2026-05-04'
maintainers:
  - FN: Kin Lane
    email: [email protected]