API Reference › Google Ads › create_ad

create_ad

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/create_ad/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 Create a new Responsive Search Ad (RSA) in an existing ad group. Useful for A/B testing different ad copy or adding variation to an ad group. **Parameters:** - ad_group_id: The ad group to add the ad to (REQUIRED) - headlines: 3-15 headlines (REQUIRED, max 30 chars each) - descriptions: 2-4 descriptions (REQUIRED, max 90 chars each) - final_urls: Landing page URLs (REQUIRED, at least one) - path1: Optional display path 1 (max 15 chars) - path2: Optional display path 2 (max 15 chars) - customer_id: Optional **Execution time:** 3-5 seconds **New ad goes through Google's review process.** **Example:** User: "Create a new ad to test different messaging" Agent: 1. Gets ad_group_id from get_campaign_structure 2. Prepares headlines and descriptions 3. Creates new ad with create_ad

Request body

All tool arguments are wrapped in an arguments object.

FieldTypeDescription
ad_group_idstring requiredThe ad group ID to add the ad to. Get from get_campaign_structure.
headlinesarray requiredList of 3-15 headlines. Each max 30 characters. Include mix of: product identity, benefits, and CTAs.
descriptionsarray requiredList of 2-4 descriptions. Each max 90 characters.
final_urlsarray requiredLanding page URLs. At least one required.
path1string optionalOptional display path 1 (max 15 chars). Shows in ad URL.
path2string optionalOptional display path 2 (max 15 chars). Shows after path1.
customer_idstring optionalGoogle Ads customer ID. Required for multi-account users. Get from list_connected_accounts.

Example request

{
  "arguments": {
    "ad_group_id": "string",
    "headlines": [
      "string"
    ],
    "descriptions": [
      "string"
    ],
    "final_urls": [
      "string"
    ],
    "path1": "string",
    "path2": "string",
    "customer_id": "string"
  }
}

Example responses

200 — Success

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

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": "create_ad"
}

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": "create_ad",
  "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