Engagement API

First-party engagement on every post, story, reel, and stream the creator publishes. Likes, comments, shares, reach, watch time, story-level analytics. Push-updated via webhooks. The data scrapers cannot reach.

WHAT YOU GET

Every content format. Every metric.

Posts, stories, reels, lives, YouTube videos, podcasts. Phyllo normalizes engagement across all of them.

Content formats icon

All content
formats

Posts, stories, reels, lives, YouTube videos, podcasts. One Engagement endpoint, every shape of content.

Metrics bars icon

Per-post
metrics

Likes, comments, shares, saves, impressions, reach, sentiment summary on every post the creator publishes.

Story analytics icon

Story-level
analytics

Taps forward, taps back, exits, replies, sticker engagement on Instagram, TikTok, and Snap stories.

Video performance icon

Video
performance

Watch time, retention curves, completion rate, audience drop-off points for YouTube, TikTok, and Reels.

Webhooks sync icon

Real-time
webhooks

Get notified the moment a connected creator posts or engagement updates. No polling, no batch lag.

Archive icon

Historical
archive

Multi-year historical content + engagement preserved per connected creator. Backfill on the first OAuth grant.

SAMPLE RESPONSE

What an Engagement call returns.

One schema across every content format.

Pass the connected account ID, get back the creator's content with full engagement on every item. Posts, reels, stories, videos, lives, podcasts. Filter by date, content type, or post ID.

New content fires a webhook automatically. Updates to engagement on existing content fire follow-up webhooks.

GET /v1/social/content?account_id=…
Sample engagement API response card showing per-post metrics
WHAT TEAMS BUILD

Where the Engagement API powers products.

Influencer Marketing Platforms
Creator Tools
PR & Agencies
Brand Intelligence
INFLUENCER MARKETING PLATFORMS

Campaign performance tracking

Track every creator deliverable in a single campaign view. Story screenshots, dark posts, reels, all with full engagement, automatically.

Used by impact.com, Storyclash

Campaign tracker table with engagement rate, likes, and comments per campaign
Creator analytics cards showing engagement rate, mentions, and total likes around a social post
CREATOR TOOLS

In-app creator analytics

Build creator dashboards, link-in-bio widgets, and stat-sharing flows that pull live engagement directly from the platform.

Used by Karat, Creator.co

PR & AGENCIES

Sponsorship reporting

Generate post-campaign reports with verified engagement. Show clients exactly what reach and engagement they got.

Used by Dept, GALE Partners

Campaign summary report with creator reach and an impressions trend chart
Benchmark table comparing spend, reach, engagement rate, and ROAS across Instagram, TikTok, and YouTube
BRAND INTELLIGENCE

Performance benchmarking

Cross-platform benchmarks across a brand's creator roster. Compare ROAS across IG vs. TikTok vs. YouTube on the same metrics.

Used by brand-side analytics teams

Track every post.
Verify every metric.

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