Aisstream Plans Pricing
AISStream.io is free. There is a single access tier: register for a free API key and stream real-time global AIS data over the WebSocket at no cost. There are no paid, developer, or enterprise tiers and no per-message billing. Consumption is scoped by the subscription (bounding boxes plus optional MMSI and message-type filters) under a fair-use model rather than a purchased quota.
Aisstream Plans Pricing is the machine-readable pricing-plan profile for AISStream on the APIs.io network, conforming to the API Commons Plans specification.
It defines 1 plan, covering free tiers, with named plans including Free.
Tagged areas include Vessel Tracking, AIS, Maritime, Real-Time Data, and WebSocket.
Plans
Free real-time global AIS WebSocket stream. Requires a free API key from aisstream.io. Scope your traffic with BoundingBoxes and optional FiltersShipMMSI / FilterMessageTypes.
- Real-Time AIS Stream (wss://stream.aisstream.io/v0/stream)
- Bounding Box Subscriptions
- MMSI Filters (FiltersShipMMSI)
- Message Type Filters (FilterMessageTypes)
Sources
Work with this as data
Every plan here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for plans
4 MCP tools reach this
find_plansBrowse and filter every plan in the catalog.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
curl "https://apis.io/api/v1/plans/aisstream-plans-pricing"curl "https://apis.io/api/v1/plans?limit=25"Discovery needs no key. Ratings and market analysis are Pro.