Create Demand Gen Campaign

curl --request POST \
  --url https://api.adspirer.ai/api/v1/tools/create_demandgen_campaign/execute \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "arguments": {
    "ad_format": "multi_asset",
    "bidding_strategy": "MAXIMIZE_CLICKS",
    "budget_daily": 1,
    "business_name": "string",
    "call_to_action": "string",
    "campaign_name": "string",
    "descriptions": [
      "string"
    ],
    "final_url": "https://example.com",
    "headlines": [
      "string"
    ],
    "long_headlines": [
      "string"
    ],
    "target_languages": [
      "string"
    ],
    "target_locations": [
      "string"
    ]
  }
}
'

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