Zernio
Zernio
API Reference

Posting Analytics

Cross-platform

Get post analyticsGETAnalytics changed since a cursorGETSync an external postPOSTGet post analytics timelineGETGet daily aggregated metricsGETGet best times to postGETGet content performance decayGETGet frequency vs engagementGETGet follower statsGET

Instagram

Get Instagram insightsGETGet Instagram follower historyGETGet Instagram demographicsGET

YouTube

Get YouTube channel insightsGETGet YouTube daily viewsGETGet YouTube video retention curveGETGet YouTube demographicsGET

LinkedIn

Get LinkedIn aggregate statsGETGet LinkedIn org analyticsGETGet LinkedIn post statsGETGet LinkedIn post reactionsGET

Facebook

Get Facebook Page insightsGETGet Facebook post reactionsGETGet Facebook post monetization earningsGET

TikTok

Get TikTok account-level insightsGET

Google Business

Get Google Business Profile performance metricsGETGet Google Business Profile search keywordsGET
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Posting Analytics

Get LinkedIn post reactions

Returns individual reactions for a specific LinkedIn post, including reactor profiles (name, headline/job title, profile picture, profile URL, reaction type). Only works for organization/company page accounts. LinkedIn restricts reaction data for personal profiles (r_member_social_feed is a closed permission).

GET
/v1/accounts/{accountId}/linkedin-post-reactions

Authorization

bearerAuth
AuthorizationBearer <token>

API key authentication: send your Zernio API key in the Authorization header, prefixed with Bearer.

In: header

Path Parameters

accountId*string

The ID of the LinkedIn organization account

Query Parameters

urn*string

The LinkedIn post URN

Match^urn:li:(share|ugcPost|activity):[0-9]+$
limit?integer

Maximum number of reactions to return per page

Range1 <= value <= 100
Default25
cursor?integer

Offset-based pagination start index

Range0 <= value
Default0

Response Body

application/json

application/json

application/json

{  "accountId": "64abc123def456",  "platform": "linkedin",  "accountType": "organization",  "username": "Acme Corp",  "postUrn": "urn:li:share:7123456789012345678",  "reactions": [    {      "reactionType": "LIKE",      "reactionLabel": "Like",      "reactedAt": "2026-03-08T12:00:00.000Z",      "from": {        "urn": "urn:li:person:abc123",        "name": "Jane Smith",        "headline": "Product Manager at Acme Corp",        "username": "janesmith",        "profilePicture": "https://media.licdn.com/...",        "profileUrl": "https://www.linkedin.com/in/janesmith"      }    }  ],  "pagination": {    "hasMore": true,    "cursor": "25",    "total": 156  },  "lastUpdated": "2026-03-08T12:00:00.000Z"}
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Get LinkedIn post stats

Returns analytics for a specific LinkedIn post by URN. Works for both personal and organization accounts. Saves and sends are only populated for personal accounts (LinkedIn does not expose these metrics on the organization analytics endpoint).

Get Facebook Page insights

Returns page-level Facebook insights (media views, views, post engagements, video metrics, follower counts). Response shape matches /v1/analytics/instagram/account-insights so the same client handling works across platforms. Metric names track the current (post-November 2025) Meta Graph API. The legacy page_impressions / page_fans / page_fan_adds / page_fan_removes metrics were deprecated by Meta on November 15, 2025 and are NOT accepted by this endpoint. Use the replacements below. Because Meta did not provide direct adds/removes replacements, Zernio synthesizes followers_gained / followers_lost from the daily follower snapshotter. Max 89 days, defaults to last 30 days. Requires the Analytics add-on.