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The Indexer Queue Service provides a set of APIs that help in forwarding the messages to and from the Storage Service and Indexer Service.

Legal service is to help ensure data compliance with legal data governance when dealing with data in the Data Ecosystem by managing legal tags

The File Service provides internal and external APIs to request for file location data, such as a signed URL per file upload. Using the signed URL, OSDU users will be able to upload their files for ingestion into the system.

The Dataset Service provides internal and external APIs to allow fetching storage/retrieval instructions for various types of datasets.

The indexer services, indexes the metadata store to support search

The Notification service allows interested consumers to subscribe to data and metadata changes using a publish/subscriber pattern.

The Ingestion Workflow service provides a wrapper functionality around the Apache Airflow functions and is designed to carry out preliminary work with files before running the Airflow Directed Acyclic Graphs (DAGs) that will perform actual ingestion of OSDU data.

The Storage service has three different categories of API's 1.Schemas 2.Records 3.Query for schema and record management.

The Register Service manages subscriptions, action and DDMS registrations in the OSDU.

The OSDU R2 File service provides internal and external APIs to request for file location data, such as a signed URL per file upload. Using the signed URL, OSDU R2 users will be able to upload their files for ingestion to the system.