feat: Add LinkedIn personal profile post analytics via memberCreatorPostAnalytics API

[revic-alshoh01]

Summary

The current linkedin (personal profile) integration in Postiz has no analytics support. LinkedIn launched the Member Post Analytics API (memberCreatorPostAnalytics) in July 2025 that gives per-post engagement data for personal profiles via approved third-party tools. Postiz should implement this to give users analytics parity between linkedin (personal) and linkedin-page (company) integration types.

Current Behaviour

• linkedin-page (company/organization) integrations return post analytics via organization statistics endpoints
• linkedin (personal profile) integrations return no analytics — the provider has no analytics code path at all
• This creates a broken experience for users who manage personal profiles through Postiz

Requested Change

Implement a dedicated analytics code path for the linkedin personal integration type using the memberCreatorPostAnalytics API.

API Details

Endpoint: GET https://api.linkedin.com/rest/memberCreatorPostAnalytics

Required scope: r_member_postAnalytics (new scope — requires addition to the OAuth flow for personal provider)

Query modes:

• q=entity — single post statistics (by post URN)
• q=me — aggregated statistics across all member posts

Available metrics (current API version li-lms-2026-06):

Metric	Description
IMPRESSION	Number of impressions
MEMBERS_REACHED	Unique viewers
REACTION	Total reactions
COMMENT	Total comments
RESHARE	Total reshares/reposts
POST_SAVE	Times post was saved
POST_SEND	Times post was sent via messaging
LINK_CLICKS	Link clicks
FOLLOWER_GAINED_FROM_CONTENT	Followers gained from this post
PROFILE_VIEW_FROM_CONTENT	Profile views driven by this post

Sample request:

GET https://api.linkedin.com/rest/memberCreatorPostAnalytics?q=entity&entity=(share:urn%3Ali%3Ashare%3A{POST_URN})&queryType=IMPRESSION&aggregation=TOTAL
Authorization: Bearer {token}
X-Restli-Protocol-Version: 2.0.0
Linkedin-Version: 202606

Official docs: https://learn.microsoft.com/en-us/linkedin/marketing/community-management/members/post-statistics

Proposed Implementation

1. Add r_member_postAnalytics to the LinkedIn personal provider OAuth scopes — currently linkedin.provider.ts only requests openid, profile, w_member_social
2. Implement getPostsData() method in linkedin.provider.ts that calls memberCreatorPostAnalytics?q=entity for each post URN and returns impression/reaction/comment counts
3. Keep separate code paths — personal profile uses memberCreatorPostAnalytics, company page uses organization statistics endpoints

Access Requirements

LinkedIn's Member Post Analytics API is part of the Community Management API product. Per LinkedIn's announcement, third-party vendors can apply for access at no cost via a form at developer.linkedin.com. Postiz would need to apply for the r_member_postAnalytics permission to surface this in the managed cloud product; self-hosted users could apply independently.

Impact

• Unblocks analytics for all users with linkedin (personal profile) integrations
• Provides impression, reaction, comment, reshare, link-click, and follower-gained metrics per post
• Enables A/B test reporting and weekly performance automation for personal LinkedIn accounts

References

• LinkedIn Member Post Analytics launch announcement (July 2025): https://digiday.com/media/linkedin-makes-it-easier-for-creators-to-track-performance-across-platforms/
• API docs: https://learn.microsoft.com/en-us/linkedin/marketing/community-management/members/post-statistics
• Related PR (scope separation): fix: separate LinkedIn personal and page provider scopes #1215