# Relay Runtime

**Canonical:** https://apis.io/apis/relay-compiler/relay-runtime/  
**Provider:** Relay Compiler — https://apis.io/providers/relay-compiler/  
**Documentation:** https://relay.dev/docs/api-reference/

Relay Runtime is one of 2 APIs that [Relay Compiler](https://apis.io/providers/relay-compiler/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Runtime, React Hooks, State Management, GraphQL Client, and Data Fetching. The published artifact set on APIs.io includes API documentation and a GitHub repository.

The Relay Runtime provides the client-side execution environment for Relay applications. It includes the normalized in-memory store, network layer, and React hooks including usePreloadedQuery, useFragment, usePaginationFragment, useRefetchableFragment, useMutation, and useSubscription for declarative data-fetching in React components.

## Machine-readable artifacts (2)

- **Documentation** — https://relay.dev/docs/api-reference/
- **GitHubRepository** — https://github.com/facebook/relay

## Other Relay Compiler APIs (1)

- [Relay Compiler](https://apis.io/apis/relay-compiler/relay-compiler/)

## Tags

Runtime, React Hooks, State Management, GraphQL Client, Data Fetching

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