Postiz is a tool to schedule social media and chat posts to 28+ channels X, LinkedIn, LinkedIn Page, Reddit, Instagram, Facebook Page, Threads, YouTube, Google My Business, TikTok, Pinterest, Dribbble, Discord, Slack, Kick, Twitch, Mastodon, Bluesky, Lemmy, Farcaster, Telegram, Nostr, VK, Medium, Dev.to, Hashnode, WordPress, ListMonk

GitHub
Install command
npx skhub add sundial-org/postiz
Markdown
SKILL.md

Postiz Skill

Postiz is a tool to schedule social media and chat posts to 28+ channels:

X, LinkedIn, LinkedIn Page, Reddit, Instagram, Facebook Page, Threads, YouTube, Google My Business, TikTok, Pinterest, Dribbble, Discord, Slack, Kick, Twitch, Mastodon, Bluesky, Lemmy, Farcaster, Telegram, Nostr, VK, Medium, Dev.to, Hashnode, WordPress, ListMonk

Setup

  1. Get your API key: https://platform.postiz.com/settings
  2. Click on "Settings"
  3. Click "Reveal"
  4. Set environment variables:
    export POSTIZ_API_KEY="your-api-key"
    

Get all added channels

curl -X GET "https://api.postiz.com/public/v1/integrations" \
  -H "Authorization: $POSTIZ_API_KEY"

Get the next available slot for a channel

curl -X GET "https://api.postiz.com/public/v1/find-slot/:id" \
  -H "Authorization: $POSTIZ_API_KEY"

Upload a new file (form-data)

curl -X POST "https://api.postiz.com/public/v1/upload" \
  -H "Authorization: $POSTIZ_API_KEY" \
  -F "file=@/path/to/your/file.png"

Upload a new file from an existing URL

curl -X POST "https://api.postiz.com/public/v1/upload-from-url" \
  -H "Authorization: $POSTIZ_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "url": "https://example.com/image.png"
  }'

Post list

curl -X GET "https://api.postiz.com/public/v1/posts?startDate=2024-12-14T08:18:54.274Z&endDate=2024-12-14T08:18:54.274Z&customer=optionalCustomerId" \
  -H "Authorization: $POSTIZ_API_KEY"

Schedule a new post

Settings for different channels can be found in: https://docs.postiz.com/public-api/introduction On the bottom left menu

curl -X POST "https://api.postiz.com/public/v1/posts" \
  -H "Authorization: $POSTIZ_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "type": "schedule",
  "date": "2024-12-14T10:00:00.000Z",
  "shortLink": false,
  "tags": [],
  "posts": [
    {
      "integration": {
        "id": "your-x-integration-id"
      },
      "value": [
        {
          "content": "Hello from the Postiz API! 🚀",
          "image": [{ "id": "img-123", "path": "https://uploads.postiz.com/photo.jpg" }]
        }
      ],
      "settings": {
        "__type": "provider name",
        rest of the settings
      }
    }
  ]
}'

Delete a post

curl -X DELETE "https://api.postiz.com/public/v1/posts/:id" \
  -H "Authorization: $POSTIZ_API_KEY"
Discovery
Tags

No tags published for this skill.

Version
Latest version metadata

Version

v2026.09.24

Published

Sep 24, 2026

Category

Uncategorized

License

Not specified

Source path

skills/postiz

Default branch

main

Latest commit

b80cde2

Tree SHA

fc3a971