LtvAdx vs Xandr for CTV supply
Xandr (Microsoft Invest) aggregates premium CTV demand through a DSP-first platform. LtvAdx offers integrated ad serving, SSAI, and identity for publishers who want edge control and transparent exchange economics.
Xandr built significant CTV demand density through Curator and Invest, giving buyers access to premium publisher inventory with strong data capabilities. For publishers already embedded in Microsoft Advertising workflows, Xandr remains a familiar path to liquidity.
LtvAdx targets operators and FAST publishers who need sub-10ms VAST serving, SSAI orchestration, and household frequency caps in one stack — not another relay between ad server and SSP. Edge decisioning reduces latency during live events and keeps accountability in one platform.
Hybrid setups are common: LtvAdx serves VAST and SSAI while Xandr demand arrives via OpenRTB deal IDs. Both platforms interoperate through standard schain and app-ads.txt declarations.
Feature comparison
| Feature | LtvAdx | Xandr |
|---|---|---|
| Integrated ad server + SSP | ||
| SSAI-native pod orchestration | ||
| HouseholdID frequency caps | ||
| Global DSP demand density | ||
| Sub-10ms edge VAST serving | ||
| FAST self-serve onboarding | ||
| Addressable linear (SCTE-35) | ||
| Transparent mid-market pricing | ||
| White-label network portals |
Where LtvAdx wins
Television-native stack vs DSP heritage
Xandr reflects display-era programmatic architecture extended to CTV. LtvAdx defaults to TV pod grammar, SSAI timing, and SCTE-35 workflows — reducing configuration debt for FAST and operator teams.
Edge serving ownership
Publishers keep VAST decisioning at the edge with LtvAdx. Relay-only SSP models add hops that hurt live pod timing when seconds matter during sports and news breaks.
Unified reporting surface
When ad server and SSP are separate, disputes require log correlation across vendors. LtvAdx logs auctions, beacons, and SSAI stitch events in one decision trail.
Where Xandr wins
We think LtvAdx is the better fit for most FAST and addressable TV teams — but here is where Xandr genuinely leads.
Enterprise buyer relationships
Xandr's Invest platform connects to major agency trading desks and curated marketplace demand built over years. Premium national CTV buyers often have existing Xandr seat configurations.
Microsoft Advertising ecosystem
Teams standardized on Microsoft Advertising, Azure data pipelines, and Xandr Curator workflows benefit from native integrations LtvAdx does not replicate.
Methodology: Comparison reflects LtvAdx product capabilities as of Q2 2026 and publicly documented Xandr/Microsoft Invest capabilities. Request demos from both vendors for your inventory profile.
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<10ms
VAST decision latency
p99 under 15ms — product specification
7-tier
HouseholdID graph tiers
UID2 · PPID · ADID · DeviceID · ACR · IP/24 · fingerprint
Illustrative platform metrics · System status