GuidesMeta CAPI

Meta CAPI

Learn how you can send conversion data to Meta Conversions API via server-side Google Tag Manager for better ad optimization accuracy

Send Hardal analytics data to Meta Conversions API using server-side Google Tag Manager for improved ad optimization and measurement accuracy.

Make sure to check the partner's website and API documentation for the most up-to-date information and configurations.

Set Up Server-Side GTM

Complete the Server-side Google Tag Manager setup first.

Configure Meta Browser & Click IDs

In your web container, create User-Defined Variables:

  • Meta Browser ID: 1st-Party Cookie with name _fbp
  • Meta Click ID: 1st-Party Cookie with name _fbc

Add these to your GA4 Configuration tag as custom fields:

  • x-fb-ck-fbp: Meta Browser ID variable
  • x-fb-ck-fbc: Meta Click ID variable

Set Up User Data Variables

Create Data Layer Variables for user matching:

  • Email: eventModel.user_data.email_address
  • Phone: eventModel.user_data.phone_number
  • First Name: eventModel.user_data.address.first_name
  • Last Name: eventModel.user_data.address.last_name

Add Meta CAPI Tag

  1. In server container, search Community Template Gallery for "Meta Conversions API"
  2. Configure with your Meta Pixel ID and Access Token
  3. Map user data variables for enhanced matching
  4. Enable automatic event deduplication

Create Event Triggers

Set up triggers for Meta standard events:

  • PageView → page_view
  • Purchase → purchase
  • AddToCart → add_to_cart
  • Lead → generate_lead
  • CompleteRegistration → sign_up

Test Implementation

  1. Enable Preview mode in both containers
  2. Trigger events on your website
  3. Verify Meta CAPI tag fires and sends data to Meta
  4. Check Meta Events Manager for successful delivery
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