Maritime AIS data

Unrivaled ocean coverage, data quality, and developer‑friendly APIs

Our maritime vessel tracking data range of solutions combines Satellite AIS, Terrestrial AIS, and Enhanced Satellite AIS, and is delivered via fast, reliable APIs or TCP stream.

Configure your AIS data solution Get a free sample or request a callback

  • AIS Position Validation New!

    Uncover suspicious vessel behavior, worldwide and in real-time

    By utilizing our satellite constellation and experience with radio frequency doppler shift, Spire Maritime is the first to deliver a near real-time, global AIS message position validation service.

    Learn more about AIS Position Validation

Our range of maritime solutions

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Live AIS data

Live Satellite, Terrestrial, and Enhanced Satellite AIS vessel tracking data, delivered via API or TCP stream

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Enhanced Satellite AIS

Enhanced Satellite AIS fills in the gaps in global AIS ship tracking data, especially in High Traffic Zones

Enhanced S-AIS

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Historical AIS data

Historical AIS vessel tracking data going back to 2011, delivered via fast APIs or one-time downloads

More on Historical AIS

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Real-time AIS data

The highest-frequency AIS data empowers you to track in real-time the world’s shipping activities

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Dark Shipping detection

Our position validation service helps you detect vessels engaging in suspicious activities

Dark Shipping detection

Vessel Characteristics

Detailed vessel data: ownership, build, technical information, registration, capacity…

Vessel Characteristics

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Port Events

Get access to worldwide port events, including terminal and anchorage events, in a convenient API

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Vessel to Port ETA

Get more reliable, machine-learning powered port ETAs and route predictions for specific vessels

Vessel to Port ETA


Easy-to-use ship tracking web application that leverages our global Maritime AIS data

Discover ShipView™

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Maritime Weather

Combine Spire’s weather solutions with AIS data for global forecasting capacities

Spire Maritime Weather

Why Spire Maritime data?

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Data collected from multiple sources

We combine Satellite AIS, Terrestrial AIS, and Enhanced Satellite AIS, to provide wide coverage and give our customers a serious competitive edge.

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Unique coverage in high‑traffic zones

Enhanced Satellite AIS collects data in busy shipping lanes, providing unprecedented coverage, especially in the most congested areas.

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Convenient delivery methods

We deliver live maritime tracking data through easy-to-use APIs or live feeds (TCP raw NMEA), as well as custom historical data file delivery.

Continuously improving data

New satellites added to our constellation each year means a constant increase in quantity and quality of data delivered and reduced latency.

Documentation and
live support

Get started quickly with our global technical and customer support, customer-centric on-boarding, and detailed documentation.

Customer testimonials

“The accuracy, the availability, and the redundancy of the data feeds we get from Spire Maritime, these elements are really critical in Starboard’s ability to provide a robust and trusted service.”

Trent Fulcher
CEO, Starboard Maritime Intelligence

“What I like about working with Spire is that we get data from a lot of different sources. I can definitely recommend working with Spire for anyone who is looking for fast innovation and accurate data.”

Michiel Valee
Co-founder and Tech Lead, Dockflow

“It’s been really fantastic how flexible Spire has been, and how they have been able to work with us on an individual basis to make sure that the data fits our needs.”

David Kroodsma
Director of research and innovation, Global Fishing Watch

“Partnering with Spire was a great decision for our team, it’s given us the highest quality AIS data that we could find, which is fundamental to the platform that we’re building.”

Gary Lloyd
Chief of Architecture and Strategy, 90POE

“Getting the Spire information allowed us to develop a predictive tool with a hight degree of situational awareness.”

Art Salindong
Founder and CEO, Trabus Technologies

“The customer focus has really been what keeps us within Spire.”

Ingvi Georgsson
Co-Founder, Styrid

Use cases

Industries benefiting from reliable Maritime data

Application Development

Our maritime data is ideal to develop applications that integrate vessel tracking and maritime information.

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Defense and Security

We support the defense community with accurate visibility of the maritime domain and impending threats.

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Financial Services

Global data on the world’s shipping and cargo location is essential to get an accurate pulse of global commodities.

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Fleet Management

AIS data is essential in running an efficient, compliant and profitable fleet, and ensuring the safety of crew and vessel.

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Logistics & Supply Chain

Access data that minimizes the impact of supply chain disruptions, as well as reliable ETAs to optimize port resources.

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Oil and Gas

Make remote asset tracking and protection easier with our data, and significantly mitigate risk in remote regions.

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Port Operations

Get access to accurate data to optimize short- and long-term port operations and allocate resources effectively.

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Illegal Fishing

Our data helps to establish and monitor fishery protection measures against overfishing or illegal fishing.

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Environmental Protection

Preserve ecossystems using data by identifying breaches into protected or sensitive areas.

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Search and Rescue

Maritime data empowers shore-side authorities in risk and vulnerability analysis and resource planning.

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