# Get Page Details Web Vitals specific trend values relative to current day

GET /v3/web-audits/{auditId}/pages/{pageId}/trends/web-vitals/{trendName}

Endpoint: GET /v3/web-audits/{auditId}/pages/{pageId}/trends/web-vitals/{trendName}
Security: API_Key

## Path parameters:

  - `auditId` (integer, required)
    Unique identification number for web audit
    Example: 107239

  - `pageId` (string, required)
    Unique identification number for web audit run-page, it is different from dcUUID
    Example: "f9d32cc7cc2046d6decb145a80289287f5226323"

  - `trendName` (string, required)
    Enum: "largest_contentful_paint", "first_contentful_paint", "time_to_first_byte", "cumulative_layout_shift"

## Query parameters:

  - `days` (integer, required)
    Number of days to get trend values for, relative to current time

## Response 200 fields (application/json):

  - `stats` (object, required)
    Web Vitals trends statistics (min, max, average, median)

  - `stats.min` (number, required)

  - `stats.max` (number, required)

  - `stats.average` (number, required)

  - `stats.median` (number, required)

  - `runs` (array, required)

  - `runs.runId` (integer, required)
    Example: 33010

  - `runs.completedAt` (string, required)
    Date-time in [RFC3339 profile ISO 8601 format](https://www.ietf.org/rfc/rfc3339.txt) with
the following additional restrictions:
1. An uppercase T must separate the date and time portions.
2. An uppercase Z must denote that a numeric time zone offset isn't present.

In general, these timestamp requirements are the same in
[AWS Step Functions - Choice Rules](https://docs.aws.amazon.com/step-functions/latest/dg/amazon-states-language-choice-state.html)
    Example: "2016-08-18T17:33:00Z"

  - `runs.trendValue` (number, required)

## Response 400 fields (application/json):

  - `timestamp` (string)

  - `message` (string)

  - `details` (string)

  - `validationReport` (object)

## Response 401 fields (application/json):

  - `timestamp` (string)

  - `message` (string)

  - `details` (string)

  - `validationReport` (object)

## Response 404 fields (application/json):

  - `timestamp` (string)

  - `message` (string)

  - `details` (string)

  - `validationReport` (object)