API Reference › Google Ads › update_bid_strategy

update_bid_strategy

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_bid_strategy/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 Change campaign bidding strategy. **Available Strategies:** - MAXIMIZE_CLICKS: Get as many clicks as possible within budget - MAXIMIZE_CONVERSIONS: Get as many conversions as possible - TARGET_CPA: Set a target cost per acquisition (requires target_cpa) - TARGET_ROAS: Set a target return on ad spend (requires target_roas) **Parameters:** - campaign_id: The campaign ID (REQUIRED) - strategy: MAXIMIZE_CLICKS, MAXIMIZE_CONVERSIONS, TARGET_CPA, or TARGET_ROAS (REQUIRED) - target_cpa: Required if strategy is TARGET_CPA. In dollars, e.g., 25.00 for $25 CPA - target_roas: Required if strategy is TARGET_ROAS. Multiplier, e.g., 4.0 for 400% ROAS - customer_id: Optional (uses connected account if omitted) **IMPORTANT:** - TARGET_CPA requires conversion tracking to be set up - TARGET_ROAS requires conversion value tracking - Changing strategy may take 1-2 weeks to stabilize performance - Confirm with user before changing **Execution time:** 2-4 seconds **Example:** User: "I want to target $30 CPA" Agent: 1. Confirms: "I'll change the bidding strategy to TARGET_CPA with a $30 target. This may take 1-2 weeks to optimize. Proceed?" 2. Uses update_bid_strategy with strategy=TARGET_CPA, target_cpa=30.00

Request body

All tool arguments are wrapped in an arguments object.

FieldTypeDescription
campaign_idstring requiredThe campaign ID to update. Use list_campaigns first to get available campaign IDs.
strategystring requiredBidding strategy: MAXIMIZE_CLICKS, MAXIMIZE_CONVERSIONS, MAXIMIZE_CONVERSION_VALUE, TARGET_CPA, or TARGET_ROAS
target_cpanumber optionalTarget CPA in dollars (required if strategy is TARGET_CPA). Example: 25.00 for $25 CPA
target_roasnumber optionalTarget ROAS multiplier (required if strategy is TARGET_ROAS). Example: 4.0 for 400% ROAS
customer_idstring optionalGoogle Ads customer ID. Required for multi-account users. Get from list_connected_accounts.

Example request

{
  "arguments": {
    "campaign_id": "<campaign_id>",
    "strategy": "string",
    "target_cpa": 1.0,
    "target_roas": 1.0,
    "customer_id": "string"
  }
}

Example responses

200 — Success

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

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_bid_strategy"
}

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_bid_strategy",
  "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