SageMaker Feature Store Adds Batch Write and List APIs

Harshil Shah· August 28, 2026 View original

Key takeaways

  • SageMaker Feature Store now supports batch writing of records.
  • A new API allows listing record identifiers within feature groups.
  • These features enhance data management efficiency for ML workflows.
  • Developers can streamline data ingestion and discovery processes.

Who benefits

TechE-commerceFinancial ServicesHealthcareAutomotive

Summary

Amazon SageMaker Feature Store now includes BatchWriteRecord for writing multiple records across feature groups and ListRecords for enumerating record identifiers, enhancing data management efficiency.

Amazon has introduced two significant new APIs for its SageMaker Feature Store, designed to streamline the management of machine learning data. The BatchWriteRecord API allows users to write up to 25 records simultaneously across various feature groups, significantly improving efficiency for data ingestion. Complementing this, the ListRecords API provides a mechanism to enumerate record identifiers within a specific feature group, making it easier to discover and manage existing data. These additions aim to simplify the operational aspects of maintaining feature stores for ML workflows.

Why it matters

These new APIs enable more efficient and scalable data management within Amazon SageMaker Feature Store, crucial for professionals building and maintaining large-scale machine learning systems.

How to implement this in your domain

  1. 1Review the official AWS documentation for the new BatchWriteRecord and ListRecords APIs.
  2. 2Update your SageMaker Feature Store client libraries to the latest version to access these functionalities.
  3. 3Integrate BatchWriteRecord into your data ingestion pipelines to consolidate multiple record writes into single calls.
  4. 4Utilize ListRecords to programmatically discover and manage feature group records for auditing or data governance.
  5. 5Develop monitoring scripts to track the performance and usage of these new batch operations.

Original post by Harshil Shah

"Amazon SageMaker Feature Store now supports two new APIs: BatchWriteRecord writes up to 25 records across multiple feature groups in a single call, and ListRecords enumerates record identifiers within a feature group. In this post, we walk through each API with code examples you…"

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