API Reference › Google Ads › add_call_asset

add_call_asset

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_call_asset/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 a phone call asset to a campaign. Call assets show a tap-to-call button on mobile and a visible phone number on desktop. They attach at campaign level via CampaignAssetService. **Parameters:** - campaign_id: The campaign ID (REQUIRED) - phone_number: digits or formatted ("929-478-4835", "+1 929 478 4835") - country_code: 2-letter ISO ("US", "GB", "IN", "AU") - call_conversion_action: Optional. Full resource name of a CallConversionAction (`customers/<cid>/conversionActions/<id>`) to count calls as conversions. Omit to skip call-conversion tracking. - customer_id: Optional (uses connected account if omitted) **Execution time:** 2-4 seconds **Example:** User: "Add 929-478-4835 (US) as a call asset on campaign 23847465076" Agent: add_call_asset(campaign_id="23847465076", phone_number="929-478-4835", country_code="US")

Request body

All tool arguments are wrapped in an arguments object.

FieldTypeDescription
campaign_idstring requiredThe campaign ID (numeric). Get from list_campaigns.
phone_numberstring requiredPhone number to display. Plain digits or with separators are both accepted: '9294784835', '929-478-4835', '+1 929 478 4835'. Google normalizes the number using country_code.
country_codestring required2-letter ISO country code. 'US', 'GB', 'IN', 'AU', etc. Must match the country the phone number is registered to.
call_conversion_actionstring optionalOptional. Full resource name of a CallConversionAction (`customers/<cid>/conversionActions/<id>`) to count calls as conversions. Omit to skip call-conversion tracking on this asset.
customer_idstring optionalGoogle Ads customer ID. Required for multi-account users. Get from get_connections_status.

Example request

{
  "arguments": {
    "campaign_id": "<campaign_id>",
    "phone_number": "string",
    "country_code": "string",
    "call_conversion_action": "string",
    "customer_id": "string"
  }
}

Example responses

200 — Success

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

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_call_asset"
}

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_call_asset",
  "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