Pinterest Ads conversion tracking for auto glass companies

Specific to Pinterest × Auto glass

Pinterest for auto glass: no real fit, so keep it off the plan

Pinterest does not fit auto glass. Nobody saves a Pin for a windshield replacement and acts on it weeks later; the need is sudden and searched. If Pinterest is already running, send only a checkout event for completed jobs through the Conversions API with the epik identifier, and expect almost none.

Pinterest · Auto glass · architecture

How Pinterest and auto glass companies actually connect

1. 1

   The conversion in auto glass companies

   The money event is a completed and invoiced job. Because most work is insurer-funded, the payer belongs on the conversion — cash jobs and claims jobs have different margins and different competition.

2. 2

   Pinterest Ads needs a click to match

   An event name Pinterest recognizes, an event_id matched to the tag, a timestamp, hashed customer information, and the click identifier where you have it. Read the delivered and matched counts in Pinterest's reporting rather than assuming a 200 response means the event landed usefully.

3. 3

   The identifier: the epik click identifier

   Pinterest appends epik to your landing page URL and the tag stores it in the _epik cookie. It is a single parameter rather than Google's three, which makes capture simpler — but Pinterest traffic skews heavily to iOS and to saved Pins opened weeks after they were first seen, so the identifier frequently arrives on a visit that is nowhere near the conversion. Persist it server-side the moment you see it.

4. 4

   Where it gets sent from

   The job management system — jobs completed and invoiced by date, by type and payer, for the same window.

5. 5

   Deduplication and window

   Same shape as Meta: the browser tag and the Conversions API event must carry the same event_id for the same conversion, and the event name must match too. Send both without pairing them and every conversion counts twice. This is worth testing deliberately, because Pinterest volumes are often low enough that a doubling looks like a good week rather than a bug. Pinterest's attribution windows are configurable per campaign and separate the click path from the engagement and view paths, which is unusual. Confirm which window your reporting is set to before comparing anything, and verify the accepted event-freshness limit for server events against Pinterest's current documentation.