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SPECIFICTION
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Business Operations

Best Supply Side Platforms in 2026

  1. 01 DT FairBid

    DT FairBid suits publishers seeking to mediate ad networks for placements in apps or other publisher properties.

    Free plan Web · iOS · Android · API
    8.1 Visit Specs
  2. 02 Nexxen DSP

    It may suit advertisers seeking multi-channel buying, multiple inventory sources, and a broad set of audience and contextual targeting options.

    Web · API
    7.7 Visit Specs
  3. 03 Adtelligent

    Adtelligent is aimed at publishers and advertisers, as well as ad networks, marketers, and agencies seeking advertising platforms or white-label buying tools.

    Web · API
    7.1 Visit Specs
  4. 04 Admixer.SSP
    Web · iOS · Android
    6.2 Visit Specs
  5. 05 Adform SSP
    Web
    6.1 Visit Specs
  6. 06 Azerion SSP
    Web
    5.9 Visit Specs
  7. 07 Cadent Inventory Manager
    Web
    5.9 Visit Specs
  8. 08 GumGum
    Web
    5.9 Visit Specs
  9. 09 Index Exchange
    Web
    5.8 Visit Specs
  10. 10 Magnite
    Web
    5.8 Visit Specs
  11. 11 Media.net
    Web · iOS · Android
    5.8 Visit Specs
  12. 12 Microsoft Retail Media
    Web
    5.7 Visit Specs
  13. 13 OpenX
    Web
    5.5 Visit Specs
  14. 14 Publica
    Web
    5.5 Visit Specs
  15. 15 PubMatic
    Web
    5.5 Visit Specs
  16. 16 Sovrn Ad Exchange
    Web · iOS · Android
    5.5 Visit Specs
  17. 17 Teads
    Web
    5.3 Visit Specs
  18. 18 Triton Digital SSP
    Web
    5.2 Visit Specs
  19. 19 Yieldmo
    5.0 Visit Specs
How this list is ordered. Specifiction scores each tool on how fully its maker documents it, whether its prices are published, where the research puts it, the platforms it runs on and whether it can be tried for free (how we rank). Makers can also buy a numbered place (how Specifiction is paid for).

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