---
title: "Get Core Web Vitals buckets for a site"
method: GET
path: "/rum/sites/{rumSiteId}/vitals"
tags: ["RUM"]
---

# Get Core Web Vitals buckets for a site

`GET /rum/sites/{rumSiteId}/vitals`

## Request

- Base URL: `https://api.pulsetic.com/api/public`
- URL: `https://api.pulsetic.com/api/public/rum/sites/{rumSiteId}/vitals`
- Auth: API key in header `Authorization`

Returns good/needs-improvement/poor counts and the 75th percentile value for each of LCP, CLS, INP, and FCP over the given date range.

## Path parameters

- `rumSiteId` integer, required

## Query parameters

- `from` string, date-time
- `to` string, date-time

## Response `200`

successful operation

- object
  - `lcp` RumVitalBucket
    - `good` integer
    - `needs_improvement` integer
    - `poor` integer
    - `p75` number, nullable: 75th percentile value (milliseconds, except CLS which is unitless).
  - `cls` RumVitalBucket
    - `good` integer
    - `needs_improvement` integer
    - `poor` integer
    - `p75` number, nullable: 75th percentile value (milliseconds, except CLS which is unitless).
  - `inp` RumVitalBucket
    - `good` integer
    - `needs_improvement` integer
    - `poor` integer
    - `p75` number, nullable: 75th percentile value (milliseconds, except CLS which is unitless).
  - `fcp` RumVitalBucket
    - `good` integer
    - `needs_improvement` integer
    - `poor` integer
    - `p75` number, nullable: 75th percentile value (milliseconds, except CLS which is unitless).

---

[API](https://skmtc.dev/pulsetic/apis/pulsetic-api-implementation.md) · [All operations](https://skmtc.dev/pulsetic/apis/pulsetic-api-implementation/llms.txt) · [OpenAPI document](https://skmtc.dev/pulsetic/apis/pulsetic-api-implementation/revisions/8e0c010eb8ed?raw)