Short answer: Through a Google partner using Multiple Customer Management (MCM). Direct AdX accounts are invitation-only and aimed at large publishers, so most sites get AdX through a certified partner who takes a revenue share.
Your two options
| Direct AdX account | AdX through an MCM partner | |
|---|---|---|
| Who it’s for | Large publishers, usually millions of pageviews | Most small and mid-size publishers |
| How | By invitation from Google | Apply to a Google-certified partner |
| Cost | No partner share | The partner keeps a share of revenue |
| Control | Full | Depends on the partner and setup |
Manage Account or Manage Inventory?
With Manage Account, the partner runs your Ad Manager for you, and you can work with only one partner this way. With Manage Inventory, you keep your own Ad Manager and can work with several partners. If you want control and plan to grow, Manage Inventory is usually the better fit.
Before you pick a partner
- Ask for their revenue share and payment terms in writing.
- Check whether they add their own SSPs and how they appear in your ads.txt.
- Make sure you can leave without losing your setup.
Read from reseller to direct and Google Ad Manager for small publishers.
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