Postproxy × LinkedIn

Publish posts to LinkedIn personal profiles or company pages. Handle organization posting and media constraints seamlessly.

One API call handles both personal and organization posting on LinkedIn.

Organization Posts

Post on behalf of LinkedIn company pages

Rich Media

Support for images (up to 20) and videos (up to 15 min)

Professional Network

Publish to the world's largest professional network

Video Support

Upload videos up to 5 GB with professional formatting

POST /v1/posts
Terminal window
curl -X POST "https://api.postproxy.dev/api/posts" \
     -H "Authorization: Bearer YOUR_API_KEY" \
     -H "Content-Type: application/json" \
     -d '{
       "post": {
         "body": "We are excited to share our latest product update with the community!"
       },
       "profiles": ["linkedin"],
       "media": ["https://example.com/image.jpg"],
       "platforms": {
         "linkedin": {
           "organization_id": "12345678"
         }
       }
     }'

LinkedIn Parameters

Formats

Format Description
post Feed post (default)

Parameters

Parameter Type Required Description
organization_id string No Post on behalf of an organization/company page

Media Constraints

Media Type Max Size Formats Max Count Duration
Image 8 MB jpg, png, gif 20 -
Video 5 GB mp4, mov, avi 1 0 - 15min

Notes

  • Text content: Optional
  • Media required: No
  • Mix video and image: No
  • Minimum image dimensions: 552x276 pixels

View full documentation for all platform-specific features for LinkedIn

View documentation

Why Postproxy for LinkedIn?

Skip LinkedIn API complexity

No need to handle LinkedIn OAuth flows, organization permissions, or API rate limits. Postproxy handles it all.

Handle rate limits automatically

LinkedIn rate limits are managed automatically with intelligent retry logic.

Support all formats

Publish text posts, images, and videos to personal profiles or company pages.

Supported formats:
Feed posts

Reliable delivery

Automatic retries and clear status reporting ensure your content reaches LinkedIn.

Frequently Asked Questions

Common questions about LinkedIn integration

Can I post on behalf of an organization or company page?

Yes! Use the `organization_id` parameter in the platforms object to post on behalf of a LinkedIn company page. If omitted, the post will be published from your personal profile.

What media constraints apply to LinkedIn posts?

LinkedIn supports images (jpg, png, gif) up to 8 MB with up to 20 images per post, and videos (mp4, mov, avi) up to 5 GB with a maximum duration of 15 minutes. Images must be at least 552x276 pixels.

Are videos supported on LinkedIn?

Yes! LinkedIn supports video posts up to 5 GB in size and up to 15 minutes long. Videos must be in mp4, mov, or avi format.

Can I post text-only content?

Yes! LinkedIn supports text-only posts without any media. Simply omit the media array from your post request.

Can I mix videos and images in a single post?

No, LinkedIn does not allow mixing videos and images in a single post. You can post multiple images (up to 20) or a single video.

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