> ## 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.

# Update Campaign Budget

> This endpoint allows you to update the daily budget of a campaign.

## 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>
  The unique identifier of the campaign
</ParamField>

<ParamField body="editLevel" type="string" default="BUDGET">
  The level of campaign property you want to edit.
  Currently supports `BUDGET` to update the campaign’s daily budget.
  <Note>Default `editLevel` is **BUDGET**.</Note>
</ParamField>

<ParamField body="amount" type="number" required>
  The new daily budget amount for the campaign. Required when `editLevel` is set to `BUDGET`.
  Must be a positive number representing the budget in your account's currency.
</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>