Update API Key

patch

https://a.klaviyo.com/api/api-keys/{id}

🚧
This endpoint is in beta and subject to change.
A beta revision header (2026-07-15.pre) is required to use our beta APIs. Klaviyo APIs in beta are not intended for use in production. See our versioning and deprecation policy for more information.

Update the label or enable/disable the key.

Rate limits:
Burst: 1/s
Steady: 15/m

Scopes:
credentials:write

OpenAPI Spec

Path Params

string

required

Identifier for the key to update.

Query Params

additional-fields[api-key]

array of strings

Request additional fields not included by default in the response. Supported values: 'redacted_key'

additional-fields[api-key]

Allowed:

fields[api-key]

array of strings

For more information please visit https://developers.klaviyo.com/en/v2026-07-15.pre/reference/api-overview#sparse-fieldsets

fields[api-key]

Allowed:

Body Params

Body for PATCH /api/api-keys/{id}.

Use to update the label or enable/disable the key. Either field
may be omitted (omitted = preserve existing value), but neither
may be supplied as null — both attributes are required when
present.

data

object

required

Headers

revision

string

required

Defaults to 2026-07-15.pre

API endpoint revision (format: YYYY-MM-DD[.suffix])

Responses

200Success

4XXClient Error

5XXServer Error