Question 1

What can a ClickHouse model send to Reddit Ads?

Accepted Answer

Custom audiences and conversion events. Rows returned by the model become audience members, and separately you can report conversions that happened off platform so Reddit can attribute them. Audiences are where most people start, since they let you target or suppress specific groups from what you actually know rather than from interest categories the platform offers.

Question 2

How is the connection secured?

Accepted Answer

TLS on the native port, normally 9440, with certificate verification you can configure. That last part matters if your cluster uses an internal certificate authority, since strict verification against a private certificate will otherwise fail the connection. Where the cluster is not publicly reachable at all, an SSH tunnel through a bastion host is supported using host, port, user and private key.

Question 3

Which identifiers give the best match rate?

Accepted Answer

Include both Reddit accepts. It matches on email address and mobile advertising ID, but not phone number, which differs from Meta and TikTok. Device identifiers from an app frequently outperform an email somebody supplied years ago, so mapping both columns and letting the platform resolve whichever it can usually lifts the match rate more than cleaning the email list would.

Question 4

What keeps the audience current?

Accepted Answer

A schedule plus an explicit plan for removals. The add sync refreshes membership each run, but Reddit exposes no mirror mode reconciling against your model automatically, unlike Microsoft and Meta. The durable pattern is two models running together, one describing who belongs and one describing who should be taken out, rather than assuming the platform works out the difference for you.

Question 5

What does this replace?

Accepted Answer

A reminder in someone's calendar and a CSV. Somebody queries the cluster, exports a list, uploads it, and repeats until they forget or move team. It works until the definition of a good prospect changes, at which point nobody can say which version is actually live in the ad account. A scheduled model means the audience and the reporting share one definition and neither depends on a person remembering.

Sync ClickHouse to Reddit Ads

Sync ClickHouse to Reddit Ads with Polytomic

Email or mobile ID

TLS you can configure

Conversions supported

Or sync Reddit Ads to ClickHouse

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Connect ClickHouse in Polytomic

Connect Reddit Ads in Polytomic

Create a sync between ClickHouse and Reddit Ads

Map fields and enable the sync

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