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Spire Sense Maritime

Spire Sense Maritime

Knowledge based articles about Spire maritime products and data. FAQ to help direct clients on the details of the product and data.

API Calls: Getting Started

Vessels API

Accessing Spire Enhanced Vessels Data (EVD)

What data fields are part of the Enhanced Vessel Data (EVD) free and premium features

What is Vessels API?

Vessels API update rules

Duplicate Entries in the Vessels API

Tracking ships of a particular type

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General AIS Questions

Vessel Flag Codes Identification from MMSI

Historical AIS Files Sizes & Delivery

Determining Ship Types

AIS class vessel's Voyage information

Why does AIS report Speed Over Ground (SOG) as 102.3

What is Dynamic AIS Data?

Spire Maritime AIS Data Sample - Standard Format

What are the "collection_type" and "source" fields in the Messages API?

How to interpret Navigational Status

How Big is Spire AIS Data

Learning about AIS data cleansing methods

Vessel Flag Country

What to expect from High Traffic Zones

Class A vs. Class B AIS Transceivers

AIS decoded fields descriptions and their values

Interpreting Vessel Flag

How to convert the decoded "rate-of-turn" (rot) value into degrees per minute

Available AIS Message Types

Differences between Class A and Class B Transceivers

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Spire APIs Technical Support

Spire Maritime AIS TCP Stream TCP/IP Addresses

Are there any code examples for using Spire Sense APIs in a particular language?

Understanding AIS Data Volume and Downsampling

Clicking on the API url does not work

Pagination FAQs

The difference between the 'created_at' and 'timestamp' fields in the Messages API

Using API Query Parameters

Keeping Up after the Last Page of Results

Request Historical AIS Messages

Will data for a vessel always be made available in timestamp order?

Which REST API is right for me (Messages or Vessels)?

Learning about your authorization token

Apply a geographical filter for AIS messages

Messages API Python Sample

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Messages API

What is Messages API?

Why does Messages API return MMSI vessels that I did not request

Maritime Routing API

Spire Maritime Predicted Vessel Route GraphQL API

Spire Maritime Routing API V1

Spire Maritime Predicted Routing V1

Spire Maritime AIS Destination Matched Port

Historical Positions API

Using the Historical Positions API

TCP Feed

Using the Spire Maritime AIS TCP Feed V2

TCP V2 - Enhancements Over V1

In which format are encoded AIS message strings available?

Understanding TCP server behavior

Spire Maritime 2.0 - GraphQL API

Maritime 2.0 GraphQL - Vessels Timestamp Filters

Maritime 2.0 GraphQL returns SERVICE_UNAVAILABLE

Maritime 2.0 GraphQL returns INTERNAL_SERVER_ERROR

Maritime 2.0 GraphQL. When Vessels Change MMSI Number

Maritime 2.0 GraphQL compared to Vessels API

How the API request rate is limited in Maritime 2.0 GraphQL

Vessel Characteristics Data (available via Maritime 2.0 GraphQL API)

[DRAFT] Accessing Vessel Characteristics Data in Maritime 2.0 graphQL

Spire Maritime 2.0 shipType Mappings to shipTypeCode from AIS

Maritime 2.0 GraphQL - Filtering for Tanker, Cargo or Merchant Fleet Vessels

Rate of Turn (ROT) values

Maritime 2.0 GraphQL - How to query a long list of vessels by IMO or MMSI number

Spire Maritime 2.0 - matching and updating rules

Preparing for Spire Maritime 2.0 API (GraphQL)

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