Where to watch The Promise of Chang’an (2020)
In US, The Promise of Chang’an is streaming on Rakuten Viki.
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| Country | Stream (subscription) | Free | Free with ads | Rent | Buy |
|---|---|---|---|---|---|
| US |  Rakuten Viki | — | Rakuten Viki | — |  Amazon Video |
| GB | — | — | — | — | Amazon Video |
| CA | Rakuten Viki | — | Rakuten Viki | — | — |
| DE | Rakuten Viki | — | Rakuten Viki | — | — |
Availability data via JustWatch through TMDB. Listings change often — last refreshed 27 Jul 2026.