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GET
A metric over time

Authorizations

Authorization
string
header
required

An API key (utk_live_...) or an app's OAuth access token (uto_...).

Query Parameters

metric
enum<string>
default:responses

responses (default), nps or detractors (both need surveyId).

Available options:
responses,
nps,
detractors
interval
enum<string>
default:day

day (default), week or month.

Available options:
day,
week,
month
surveyId
string<uuid>

One survey.

from
string<date-time>

From this time (RFC 3339; UTC when no offset).

to
string<date-time>

Up to this time (RFC 3339; UTC when no offset). A date alone (2026-10-14) includes that whole UTC day.

Response

The series.

metric
enum<string>
required
Available options:
responses,
nps,
detractors
interval
enum<string>
required
Available options:
day,
week,
month
surveyId
string<uuid> | null
required
points
object[]
required