# Reactor Core

**Canonical:** https://apis.io/apis/webflux/reactor-core/  
**Provider:** Spring WebFlux — https://apis.io/providers/webflux/

Reactor Core is one of 8 APIs that [Spring WebFlux](https://apis.io/providers/webflux/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Flux, Mono, Project Reactor, Reactive Streams, and Reactor. The published artifact set on APIs.io includes API documentation, an API reference, and a GitHub repository.

Project Reactor is the foundational reactive library powering Spring WebFlux. Provides Mono (0-1 element) and Flux (0-N element) publisher types implementing the Reactive Streams specification with composable operators.

## Machine-readable artifacts (5)

- **Documentation** — https://projectreactor.io/docs/core/release/reference/
- **APIReference** — https://projectreactor.io/docs/core/release/api/
- **GitHubRepository** — https://github.com/reactor/reactor-core
- **Learning Materials** — https://projectreactor.io/learn
- **Maven Repository** — https://mvnrepository.com/artifact/io.projectreactor/reactor-core

## Other Spring WebFlux APIs (7)

- [Spring WebFlux Core](https://apis.io/apis/webflux/spring-webflux-core/)
- [Spring WebFlux WebClient](https://apis.io/apis/webflux/spring-webflux-webclient/)
- [Spring WebFlux Router Functions](https://apis.io/apis/webflux/spring-webflux-router-functions/)
- [Spring WebFlux WebSocket](https://apis.io/apis/webflux/spring-webflux-websocket/)
- [Spring WebFlux RSocket](https://apis.io/apis/webflux/spring-webflux-rsocket/)
- [Spring WebFlux HTTP Service Client](https://apis.io/apis/webflux/spring-webflux-http-service-client/)
- [Spring WebFlux Testing](https://apis.io/apis/webflux/spring-webflux-testing/)

## Tags

Flux, Mono, Project Reactor, Reactive Streams, Reactor

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