# AISStream AIS Stream API

**Canonical:** https://apis.io/apis/aisstream/aisstream-ais-stream-api/  
**Provider:** AISStream — https://apis.io/providers/aisstream/  
**Base URL:** wss://stream.aisstream.io/v0/stream  
**Documentation:** https://aisstream.io/documentation

AISStream AIS Stream API is published by [AISStream](https://apis.io/providers/aisstream/) on the [APIs.io](https://apis.io/) network, described by an AsyncAPI event-driven specification. Tagged areas include AIS, Vessel Tracking, WebSocket, Streaming, and Real-Time Data. The published artifact set on APIs.io includes API documentation, an API reference, an AsyncAPI specification, and SDKs.

Real-time global AIS vessel-tracking stream delivered over a single WebSocket at "wss://stream.aisstream.io/v0/stream". The client connects, sends a JSON subscription message (APIKey plus BoundingBoxes and optional FiltersShipMMSI and FilterMessageTypes), and receives a continuous feed of AIS messages - each an envelope with MessageType, a free-form MetaData object, and the decoded Message keyed by its type (PositionReport, ShipStaticData, and the rest of the ITU-R M.1371 message set).

## Machine-readable artifacts (8)

- **Documentation** — https://aisstream.io/documentation
- **APIReference** — https://aisstream.io/documentation
- **AsyncAPI** — https://raw.githubusercontent.com/api-evangelist/aisstream/refs/heads/main/asyncapi/aisstream-asyncapi.yml
- **PostmanCollection** — https://raw.githubusercontent.com/api-evangelist/aisstream/refs/heads/main/collections/aisstream.postman_collection.json
- **OpenCollection** — https://raw.githubusercontent.com/api-evangelist/aisstream/refs/heads/main/collections/aisstream.opencollection.json
- **SourceCode** — https://github.com/aisstream/ais-message-models
- **SDK** — https://github.com/aisstream/example
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/aisstream/refs/heads/main/apis.yml

## Tags

AIS, Vessel Tracking, WebSocket, Streaming, Real-Time Data

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