Head-to-head · Ad Exchanges
Google Ad Exchange (Authorized Buyers) vs Transparent Ad Marketplace
Google Ad Exchange (Authorized Buyers) leads on 1 check, Transparent Ad Marketplace on 0, and 0 are even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreGoogle Ad Exchange (Authorized Buyers) · 9.3/10
- Most featuresGoogle Ad Exchange (Authorized Buyers) · 1 of 1
Google Ad Exchange (Authorized Buyers) scores higher on our rubric for ad exchanges: 9.3 against 8.8 out of 10; our editors rank them #1 and #4.
On auction type, Transparent Ad Marketplace gives you Both where Google Ad Exchange (Authorized Buyers) offers Real-time. On deal controls, Google Ad Exchange (Authorized Buyers) gives you Advanced where Transparent Ad Marketplace offers Basic. Google Ad Exchange (Authorized Buyers) offers identity support; Transparent Ad Marketplace doesn't publish it.
Google Ad Exchange (Authorized Buyers) is the better fit for established buyers seeking broad real-time exchange access. Transparent Ad Marketplace is the better fit for publishers adding server-side demand competition.
- Google Ad Exchange (Authorized Buyers) fits best
Established buyers seeking broad real-time exchange access
- Transparent Ad Marketplace fits best
Publishers adding server-side demand competition
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Side by side
| Feature | Google Ad Exchange (Authorized Buyers) 9.3/10 Visit ↗ | Transparent Ad Marketplace 8.8/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.3 | 8.8 |
| Ranking | #1 in Ad Exchanges | #4 in Ad Exchanges |
| Best for | Established buyers seeking broad real-time exchange access | Publishers adding server-side demand competition |
| Pricing model | Paid | Paid |
| Starting price | Not published | Not published |
| Free plan | Not published | Not published |
| Free trial | — | — |
| Deployment | Cloud | Cloud, Mobile |
| Support | Docs, Email | |
| Integrations | 2 integrations | 10 integrations |
| Built for | Mid-market, Enterprise | Small business, Mid-market, Enterprise |
| Features Google Ad Exchange (Authorized Buyers) 1/1 · Transparent Ad Marketplace 0/1 | ||
| Identity support | ✓ (best) | Not published |
| Specs | ||
| Marketplace type | Both | Both |
| Auction type | Real-time | Both |
| Ad formats | display, video, native, interstitial | Dynamic display banners, pre-roll video, outstream video, in-app display and video |
| Deal controls | Advanced | Basic |
| Supported channels | web, mobile app | Desktop web, mobile web, mobile apps |
| Our review | ||
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| Our verdict | Google Ad Exchange (Authorized Buyers) connects eligible buyers with publishers selling digital ad inventory. It is aimed at ad networks, agency trading desks and demand-side platforms buying on behalf of multiple advertisers, with buyers… Read the review → |
Transparent Ad Marketplace (TAM), from Amazon Publisher Services, is a server-side ad marketplace for digital publishers. It connects inventory with multiple demand partners through a single integration, with participating buyers competing… Read the review → |
Strengths and trade-offs
Google Ad Exchange (Authorized Buyers) — where it wins
- Bids on impression-level requests through OpenRTB in JSON or Protobuf
- Supports private auctions, preferred deals and programmatic guaranteed deals
- Buyer REST API covers creatives, deals, accounts and pretargeting
Where it doesn't
- Access and setup are oriented toward organizations buying for multiple advertisers
- Requires a buyer-side bidder system to participate in real-time bidding
- Pricing and API access arrangements involve contacting Google
Transparent Ad Marketplace — where it wins
- Runs participating demand partners in a first-price auction through a single ad call
- Reports bidders, bid CPMs, and auction winners at auction level
- Supports web display and video plus in-app display and video
Where it doesn't
- In-app inventory requires a separate SDK integration
- Deal controls are basic
- APS describes its service as invite-only
- Google Ad Exchange (Authorized Buyers)9.3/10 · Pricing on request
A buyer-side exchange for teams running their own bidders and managing deal access.
Visit GoogleFull verdict → - Transparent Ad Marketplace8.8/10 · Pricing on request
Adds first-price demand competition and auction-level reporting alongside existing monetization.
Visit AmazonFull verdict →
More comparisons
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- Google Ad Exchange (Authorized Buyers) vs Index Exchange
- Google Ad Exchange (Authorized Buyers) vs Sovrn Ad Exchange
- Magnite vs Transparent Ad Marketplace
- Spotify Ad Exchange vs Transparent Ad Marketplace
All ad exchanges comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update