---
title: "Get content performance decay"
method: GET
path: "/v1/analytics/content-decay"
tags: ["Analytics"]
---

# Get content performance decay

`GET /v1/analytics/content-decay`

Returns how engagement accumulates over time after a post is published.
Each bucket shows what percentage of the post's total engagement had been reached by that time window.
Useful for understanding content lifespan (e.g. "posts reach 78% of total engagement within 24 hours").
Requires the Analytics add-on.

## Query parameters

- `platform` string
- `profileId` string
- `accountId` string
- `source` 'all' | 'late' | 'external'

## Response `200`

Content decay buckets

- object
  - `buckets` object[]
    - `bucket_order` integer — Sort order (0 = earliest, 6 = latest)
    - `bucket_label` string — Human-readable label
    - `avg_pct_of_final` number — Average % of final engagement reached (0-100)
    - `post_count` integer — Number of posts with data in this bucket

## Other responses

- `400` — Invalid request
- `401` — Unauthorized
- `403` — Analytics access required. Legacy plans need the Analytics add-on; included by default on usage-based plans.

---

[API](https://skmtc.net/zernio/apis/zernio-api.md) · [All operations](https://skmtc.net/zernio/apis/zernio-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/zernio/zernio-api/versions/51932b099b2f/schema)