---
title: "Activate Profile Layer Route"
method: POST
path: "/profile-layers/{scope_id}/activate"
---

# Activate Profile Layer Route

`POST /profile-layers/{scope_id}/activate`

## Request

- Base URL: `https://usemeridian.us` (the document declares no server; this is the origin it was published from)
- URL: `https://usemeridian.us/profile-layers/{scope_id}/activate`
- Auth: none declared

Advance a hosted_default layer's lifecycle to 'active'. hosted_default
only — no scope_type in the path, matching the ``activate_profile_layer``
MCP tool's signature (it doesn't take scope_type either, since it's
hardcoded to hosted_default). Body: ``{actor}`` optional.

## Path parameters

- `scope_id` string, required

## Request body

- object, nullable

## Response `200`

Successful Response

- object

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/usemeridian/apis/meridian.md) · [All operations](https://skmtc.dev/usemeridian/apis/meridian/llms.txt) · [OpenAPI document](https://skmtc.dev/usemeridian/apis/meridian/revisions/f37a894bd374?raw)