API Reference

Update Budget

Update the daily budget for a campaign

PATCHhttps://api.syntermedia.ai/v1/campaigns/:id/budget

Budget changes take effect immediately

The new budget applies to the current billing period. Some platforms may take up to 15 minutes to reflect changes.

Path parameters

idstringrequired

Campaign ID from the ad platform

Request body

daily_budgetnumberrequired

New daily budget in account currency

reasonstring

Optional note for audit log

Example request

bash

curl -X PATCH "https://api.syntermedia.ai/v1/campaigns/123456789/budget" \
  -H "X-Synter-Key: syn_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{"daily_budget": 75.00, "reason": "Scaling up due to high ROAS"}'

Example response

json

{
  "success": true,
  "campaign": {
    "id": "123456789",
    "platform": "GOOGLE",
    "daily_budget": {
      "previous": 50.00,
      "current": 75.00,
      "currency": "USD"
    }
  },
  "credits_used": 5
}

Platform limits

Platform	Minimum	Maximum
Google Ads	$1.00	$50,000
Meta Ads	$1.00	No limit
LinkedIn Ads	$10.00	No limit
Reddit Ads	$5.00	No limit

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