Backends for Frontends (BFF)

Create a tailored backend/API layer per client type such as web, mobile, or TV.

design

Detailed Description

Different clients often need different payload shapes, latency budgets, and workflows.

A BFF keeps client-specific aggregation out of core domain services.

Mobile -> Mobile BFF -> services
Web -> Web BFF -> services
TV -> TV BFF -> services

Pros

Optimized per client, less frontend orchestration

Cons

Possible duplication across BFFs

Examples: Netflix, SoundCloud BFF architecture