# WebSocket

**Canonical:** https://apis.io/apis/streaming/websocket/  
**Provider:** Streaming — https://apis.io/providers/streaming/  
**Documentation:** https://datatracker.ietf.org/doc/html/rfc6455

WebSocket is one of 21 APIs that [Streaming](https://apis.io/providers/streaming/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Streaming, Protocol, Standard, and IETF. The published artifact set on APIs.io includes API documentation.

Full-duplex, bidirectional streaming protocol over a single TCP connection, upgraded from HTTP. RFC 6455. Foundation for chat, collaborative apps, market data, and real-time control planes.

## Machine-readable artifacts (2)

- **Documentation** — https://datatracker.ietf.org/doc/html/rfc6455
- **Documentation** — https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API

## Other Streaming APIs (12)

- [Apache Kafka](https://apis.io/apis/streaming/apache-kafka/)
- [Apache Pulsar](https://apis.io/apis/streaming/apache-pulsar/)
- [Redpanda](https://apis.io/apis/streaming/redpanda/)
- [NATS JetStream](https://apis.io/apis/streaming/nats-jetstream/)
- [Amazon Kinesis](https://apis.io/apis/streaming/aws-kinesis/)
- [Google Cloud Pub/Sub and Dataflow](https://apis.io/apis/streaming/gcp-pubsub/)
- [Azure Event Hubs](https://apis.io/apis/streaming/azure-event-hubs/)
- [Confluent Cloud](https://apis.io/apis/streaming/confluent-cloud/)
- [StreamNative](https://apis.io/apis/streaming/streamnative/)
- [Server-Sent Events (SSE)](https://apis.io/apis/streaming/server-sent-events/)
- [gRPC Streaming](https://apis.io/apis/streaming/grpc-streaming/)
- [GraphQL Subscriptions](https://apis.io/apis/streaming/graphql-subscriptions/)

## Tags

Streaming, Protocol, Standard, IETF

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