# Retrofit Call Adapters

**Canonical:** https://apis.io/apis/retrofit/retrofit-adapters/  
**Provider:** Retrofit — https://apis.io/providers/retrofit/  
**Documentation:** https://square.github.io/retrofit/#call-adapters

Retrofit Call Adapters is one of 4 APIs that [Retrofit](https://apis.io/providers/retrofit/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Adapters, Async, Java 8, RxJava, and Scala. The published artifact set on APIs.io includes API documentation.

Pluggable call adapters that allow Retrofit interfaces to return RxJava Observables (v1, v2, v3), Java 8 CompletableFuture, Guava ListenableFuture, and Scala Future types.

## Machine-readable artifacts (2)

- **Documentation** — https://square.github.io/retrofit/#call-adapters
- **GitHub** — https://github.com/square/retrofit/tree/trunk/retrofit-adapters

## Other Retrofit APIs (3)

- [Retrofit](https://apis.io/apis/retrofit/retrofit-core/)
- [Retrofit Converters](https://apis.io/apis/retrofit/retrofit-converters/)
- [Retrofit Mock](https://apis.io/apis/retrofit/retrofit-mock/)

## Tags

Adapters, Async, Java 8, RxJava, Scala

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/retrofit/retrofit-adapters/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/retrofit/.