Advertising API for Facebook, Instagram, and Audience Network campaigns.
Retrieve ad spend, reach, ROAS (Return on Ad Spend), conversion events, ad set performance, and demographic breakdowns.
1. Go to Meta for Developers portal. 2. Select your App → Marketing API → Tools. 3. Generate a System User Access Token with ads_read permissions.
Get API CredentialsClick "Try It" above to test the API in the playground
Click "Add to Agent" to get your API key and integrate
Get started quickly with these code examples in your favorite language
curl -X GET \ 'https://www.callio.dev/api/proxy/meta-ads/forward?target=https%3A%2F%2Fgraph.facebook.com%2Fendpoint' \ -H 'Authorization: Bearer YOUR_CALLIO_KEY' \ -H 'Content-Type: application/json'💡 Tip: Replace YOUR_CALLIO_KEY with your actual Callio API key from the dashboard.
Test endpoints live or generate your API key and start building in minutes