Short answer
OpenAI lists eight measurement partner integrations: Fospha, Hightouch, INCRMNTAL, LiveRamp, Northbeam, Rockerbox, Triple Whale and WorkMagic. Depending on the partner they support conversion tracking, attribution, spend reporting, incrementality or sending events to ChatGPT Ads. Most need an Ads Manager API key; some need the Pixel ID and Conversions API key.
Partners
| Partner | Typical use | Needs |
|---|---|---|
| Fospha | Attribution, spend | API key, UTM setup |
| Hightouch | Send events from your warehouse | Pixel ID and API key, unique primary key per event |
| INCRMNTAL | Incrementality | API key |
| LiveRamp | Online and offline conversion feeds | Request via LiveRamp rep |
| Northbeam | Attribution | API key, tracking parameter |
| Rockerbox | Attribution with deduplication | API key, Pixel ID, event and segment IDs |
| Triple Whale | E-commerce attribution | At least one active campaign, API key |
| WorkMagic | Attribution and testing | API key |
Where keys are
Ads Manager > Settings > General > API Keys.
Questions
Which is best for B2B?
For B2B, a warehouse-to-ads route such as Hightouch, or offline conversions via LiveRamp, can send qualified leads back. Many teams start with their CRM and UTMs.
Facts checked against the sources below on 12 October 2026. Platforms change quickly: if something here no longer matches what you see, tell us and we will update it.
