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n8n Lemmy Upload API Automated Community Posting

Post text and photos to Lemmy communities from n8n.

Upload Flow

01

Prepare Content

Get your text post or photo ready.

  • • Text posts supported
  • • One image per post via pict-rs
  • • Pick a target community
02

Upload via API

POST to Upload-Post with platform[]=lemmy.

  • • Include post title
  • • Choose the community
  • • Instance, username and password auth
03

Check Status

Poll until processing completes.

  • • Community moderation may apply
  • • Get post URL
04

Posted!

Post is live in the Lemmy community.

  • • Auto-published
  • • Federates across instances

Automate Lemmy Publishing

FAQ

How do I pick a community?

n8n Lemmy automation posts directly to the community of your choice — just specify the target community when you publish through Upload-Post.

Supported content types

Publish text posts or attach a single image, uploaded through the instance's pict-rs media backend.

Which instances work?

Posting to Lemmy from n8n works with lemmy.world or your own self-hosted instance. Connect with your instance URL, username, and password.

Do community rules apply?

Yes. Each Lemmy community has its own posting rules and moderation. Make sure your automated posts comply to avoid removal.

Can I schedule posts?

Yes. Combine the n8n Schedule Trigger with Upload-Post, or use Upload-Post's built-in scheduling to queue Lemmy posts.

Start publishing to Lemmy

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