> ## Documentation Index
> Fetch the complete documentation index at: https://plai-a079b342.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Register Campaign

> This endpoint registers a campaign for continuous optimization. Once registered, our system monitors and adjusts both audience and creative segments based on their performance.

## Request Body

<ParamField body="userId" type="string" required>
  User ID, If not already created, make a user on [create user
  page](/api-reference/endpoint/auth/create_user) first. If already created,
  retrieve the user ID from [get profile
  page](/api-reference/endpoint/auth/get_profile).
</ParamField>

<ParamField body="campaignId" type="string" required>
  Campaign ID
</ParamField>

<ParamField body="platform" type="string">
  Platform for the campaign — defines where the ads will be served.

  For Facebook or Instagram, set `platform = FACEBOOK`, for Google, set `platform = GOOGLE`.

  Valid values: `GOOGLE`, `FACEBOOK`

  <Note>Default `platform` is **FACEBOOK**.</Note>
</ParamField>

## Response

<ResponseField name="success" type="boolean">
  Indicates that the HTTP response was successful (status code 200 OK).
</ResponseField>

<ResponseField name="results" type="object">
  <Expandable title="Results Object">
    <ResponseField name="success" type="boolean">
      Indicates whether the specific operation or API action was successful.
    </ResponseField>

    <ResponseField name="error" type="string">
      Error string if something went wrong
    </ResponseField>
  </Expandable>
</ResponseField>