API Reference › Google Ads › update_ad_content

update_ad_content

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/update_ad_content/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 Combined update for ad content (RSA, RDA, or DemandGen video-responsive / multi-asset) in a single API call with combined field mask. Backend auto-detects ad type and applies the right proto branch. **Parameters:** - ad_id (REQUIRED), ad_group_id (REQUIRED) - headlines: Optional — RSA 3-15 (max 30 chars) / RDA 1-5 (max 30 chars) / DemandGen 1-5 (max 40 chars) - descriptions: Optional — RSA 2-4 / RDA 1-5 / DemandGen 1-5, each max 90 chars - long_headline: Optional — RDA only (single string, max 90 chars). Rejected for RSA and DemandGen (DemandGen uses long_headlineS, plural — not editable via this tool). - final_urls: Optional — landing page URLs (all types) - final_mobile_urls: Optional — mobile-specific landing URLs (all types). Send [] to clear. - tracking_url_template: Optional — per-ad tracking template, e.g. "{lpurl}?utm_source=google" (all types). Send "" to clear. - customer_id: Optional At least one of headlines, descriptions, long_headline, final_urls, final_mobile_urls, or tracking_url_template is required. **Execution time:** 2-4 seconds. **Example (RDA ad):** Update headlines + long_headline + descriptions in one call.

Request body

All tool arguments are wrapped in an arguments object.

FieldTypeDescription
ad_idstring requiredThe ad ID to update. Get from get_campaign_structure.
ad_group_idstring requiredThe ad group ID the ad belongs to. Get from get_campaign_structure.
headlinesarray optionalOptional: headlines (RSA 3-15 max 30 chars / RDA 1-5 max 30 chars / DemandGen 1-5 max 40 chars).
descriptionsarray optionalOptional: descriptions (RSA 2-4 / RDA 1-5 / DemandGen 1-5, each max 90 chars).
long_headlinestring optionalOptional: long headline text, max 90 chars. RDA only — rejected for RSA and DemandGen.
final_urlsarray optionalOptional: Landing page URLs.
final_mobile_urlsarray optionalOptional: mobile-specific landing URLs (all ad types). Send [] to clear existing mobile URLs; omit to leave unchanged.
tracking_url_templatestring optionalOptional: per-ad tracking URL template, e.g. '{lpurl}?utm_source=google' (all ad types). Send "" to clear; omit to leave unchanged.
customer_idstring optionalGoogle Ads customer ID. Required for multi-account users. Get from get_connections_status.

Example request

{
  "arguments": {
    "ad_id": "string",
    "ad_group_id": "string",
    "headlines": [
      "string"
    ],
    "descriptions": [
      "string"
    ],
    "long_headline": "string",
    "final_urls": [
      "string"
    ],
    "final_mobile_urls": [
      "string"
    ],
    "tracking_url_template": "string"
  }
}

Example responses

200 — Success

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

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": "update_ad_content"
}

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": "update_ad_content",
  "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