API Reference › Google Ads › add_pmax_search_themes

add_pmax_search_themes

Google Ads Write

🚨 **IF THIS TOOL RETURNS A QUOTA ERROR:** - The error message will include a clickable upgrade link - Show the FULL error message to the user (it contains the upgrade link) - DO NOT attempt to work ar

Endpoint

POST https://api.adspirer.ai/api/v1/tools/add_pmax_search_themes/execute

Headers

Description

🚨 **IF THIS TOOL RETURNS A QUOTA ERROR:** - The error message will include a clickable upgrade link - Show the FULL error message to the user (it contains the upgrade link) - DO NOT attempt to work around the error or use alternative data - DO NOT create campaigns or perform actions without valid tool data - STOP and direct the user to upgrade via the provided link Add search themes to an existing Performance Max campaign. Search themes hint Google AI about what customers search for. Max 50 per asset group. NOT keywords — no match types, no bids, no quality scores. **Best practices:** - Derive from keyword research results, business profile, or user input - Keep themes specific but not too narrow (2-5 words ideal) - Avoid generic themes like "buy stuff" or overly specific ones like "buy red nike air max 97 size 12" **Parameters:** - campaign_id: The PMax campaign ID - search_themes: List of theme strings to add **Execution time:** 2-5 seconds

Request body

All tool arguments are wrapped in an arguments object.

FieldTypeDescription
campaign_idstring requiredThe Google Ads campaign ID (numeric). Example: '21854471508'
search_themesarray requiredList of search themes to add. Max 50 total per asset group. NOT keywords — these are hints for Google AI about what customers search. Example: ['AI ad management', 'automate google ads']
customer_idstring optionalGoogle Ads customer ID. Required for multi-account users. Get from list_connected_accounts.

Example request

{
  "arguments": {
    "campaign_id": "<campaign_id>",
    "search_themes": [
      "string"
    ],
    "customer_id": "string"
  }
}

Example responses

200 — Success

{
  "success": true,
  "data": {
    "text": "(tool-specific textual output for add_pmax_search_themes)",
    "quota": {
      "used": 42,
      "limit": 150,
      "tier": "plus",
      "period_end": "2026-05-01"
    }
  },
  "tool": "add_pmax_search_themes"
}

400 — Tool-level error (bad arguments / multi-account selection)

{
  "success": false,
  "error": "You have 25 meta_ads accounts connected. Please specify which account to use by passing the ad_account_id parameter:\n  - Acme Holdings (ad_account_id=\"act_123456789\")\n  - Acme EU (ad_account_id=\"act_987654321\")",
  "is_error": true,
  "tool": "add_pmax_search_themes"
}

402 — Quota exhausted

{
  "success": false,
  "error": "\ud83d\udea8 Monthly limit reached (150/150 tool calls on Plus tier).\nUpgrade to Pro at https://adspirer.ai to keep building.",
  "is_error": true,
  "tool": "add_pmax_search_themes",
  "quota": {
    "used": 150,
    "limit": 150,
    "tier": "plus",
    "period_end": "2026-05-01",
    "upgrade_url": "https://adspirer.ai"
  }
}

Try it live

Interactive: Swagger UI

Machine-readable: OpenAPI 3.1 spec · llms-full.txt

More tools: Google Ads · All tools

Adspirer REST API — get an API key at adspirer.ai/keys · adspirer.ai