Postiz

Postiz is an open-source social media scheduling and management platform for posting across 30+ social, video, community, and blogging channels from a single calendar. It ships as a free AGPL-licensed self-hosted app and as a paid managed Cloud. The Postiz Public API uses simple API-key auth to list connected channels, upload media, and create, schedule, list, and delete posts.

Postiz publishes 5 APIs on the APIs.io network, including Analytics API, Integrations API, Notifications API, and 2 more. Tagged areas include Social Media, Scheduling, Open Source, Content, and Marketing.

Postiz’s developer surface includes authentication, documentation, engineering blog, and 8 more developer resources.

🌐 Visit website 📡 Source on GitHub
38.8/100 thin ▬ flat Agent 34/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
6 APIs
Social MediaSchedulingOpen SourceContentMarketing

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 38.8/100 · thin
Contract Quality 14.4 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 34/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 7 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/postiz: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 6

Individual APIs this provider publishes, each with its own machine-readable definition.

Postiz Webhooks

Configure a webhook URL in Postiz to receive an HTTP POST notifying your own systems when a post is published, so you can sync downstream tools such as spreadsheets, Slack, or a...

Postiz Analytics API

Platform- and post-level analytics.

Postiz Integrations API

Connected social media channels and scheduling slots.

Postiz Notifications API

Account notifications.

Postiz Posts API

Create, schedule, list, and delete posts.

Postiz Uploads API

Upload media files referenced by posts.

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Postiz Public API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Postiz Plans Pricing

5 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Postiz Rate Limits

3 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Postiz Finops

FINOPS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Postiz Authentication

apiKey · 1 scheme

SECURITY

Postiz Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Postiz Agentic Access

20 operations · 9 acting

20 operations · 9 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits
RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans
Plans
 FinOps
FinOps

Company 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: postiz
url: https://raw.githubusercontent.com/api-evangelist/postiz/refs/heads/main/apis.yml
name: Postiz
kind: company
description: Postiz is an open-source social media scheduling and management platform for posting across 30+ social, video,
  community, and blogging channels from a single calendar. It ships as a free AGPL-licensed self-hosted app and as a paid
  managed Cloud. The Postiz Public API uses simple API-key auth to list connected channels, upload media, and create, schedule,
  list, and delete posts.
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/postiz.png
tags:
- Social Media
- Scheduling
- Open Source
- Content
- Marketing
created: '2026-06-25'
modified: '2026-06-25'
specificationVersion: '0.19'
apis:
- aid: postiz:webhooks
  name: Postiz Webhooks
  tags:
  - Webhooks
  - Events
  - Notifications
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.postiz.com/public-api
  baseURL: https://api.postiz.com/public/v1
  properties:
  - url: https://docs.postiz.com/public-api
    type: Documentation
  description: Configure a webhook URL in Postiz to receive an HTTP POST notifying your own systems when a post is published,
    so you can sync downstream tools such as spreadsheets, Slack, or a CRM. Webhooks are configured in the app rather than
    through a Public API endpoint.
- aid: postiz:postiz-analytics-api
  name: Postiz Analytics API
  description: Platform- and post-level analytics.
  humanURL: https://docs.postiz.com/public-api
  baseURL: https://api.postiz.com/public/v1
  tags:
  - Analytics
  properties:
  - type: OpenAPI
    url: openapi/postiz-analytics-api-openapi.yml
  - type: Documentation
    url: https://docs.postiz.com/public-api
  - type: APIReference
    url: https://docs.postiz.com/public-api/introduction
- aid: postiz:postiz-integrations-api
  name: Postiz Integrations API
  description: Connected social media channels and scheduling slots.
  humanURL: https://docs.postiz.com/public-api
  baseURL: https://api.postiz.com/public/v1
  tags:
  - Integrations
  properties:
  - type: OpenAPI
    url: openapi/postiz-integrations-api-openapi.yml
  - type: Documentation
    url: https://docs.postiz.com/public-api
  - type: APIReference
    url: https://docs.postiz.com/public-api/introduction
- aid: postiz:postiz-notifications-api
  name: Postiz Notifications API
  description: Account notifications.
  humanURL: https://docs.postiz.com/public-api
  baseURL: https://api.postiz.com/public/v1
  tags:
  - Notifications
  properties:
  - type: OpenAPI
    url: openapi/postiz-notifications-api-openapi.yml
  - type: Documentation
    url: https://docs.postiz.com/public-api
  - type: APIReference
    url: https://docs.postiz.com/public-api/introduction
- aid: postiz:postiz-posts-api
  name: Postiz Posts API
  description: Create, schedule, list, and delete posts.
  humanURL: https://docs.postiz.com/public-api
  baseURL: https://api.postiz.com/public/v1
  tags:
  - Posts
  properties:
  - type: OpenAPI
    url: openapi/postiz-posts-api-openapi.yml
  - type: Documentation
    url: https://docs.postiz.com/public-api
  - type: APIReference
    url: https://docs.postiz.com/public-api/introduction
- aid: postiz:postiz-uploads-api
  name: Postiz Uploads API
  description: Upload media files referenced by posts.
  humanURL: https://docs.postiz.com/public-api
  baseURL: https://api.postiz.com/public/v1
  tags:
  - Uploads
  properties:
  - type: OpenAPI
    url: openapi/postiz-uploads-api-openapi.yml
  - type: Documentation
    url: https://docs.postiz.com/public-api
  - type: APIReference
    url: https://docs.postiz.com/public-api/introduction
common:
- type: AgenticAccess
  url: agentic-access/postiz-agentic-access.yml
- type: DomainSecurity
  url: security/postiz-domain-security.yml
- type: Authentication
  url: authentication/postiz-authentication.yml
- type: GitHubOrganization
  url: https://github.com/gitroomhq
- type: LinkedIn
  url: https://www.linkedin.com/company/postiz
- type: Website
  url: https://postiz.com
- type: Documentation
  url: https://docs.postiz.com
- url: https://postiz.com/blog
  type: Blog
- type: Plans
  url: plans/postiz-plans-pricing.yml
- type: RateLimits
  url: rate-limits/postiz-rate-limits.yml
- type: FinOps
  url: finops/postiz-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com