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AWS Entity Resolution
What it is
AWS Entity Resolution matches and links related customer, product, business, or healthcare records across applications, channels, and data stores. It offers rule-based, machine-learning, and data service provider matching. Rule-based users can adjust input fields, priorities, and rule sets. Its preconfigured machine-learning model compares consumer records using fields such as name, email, phone, address, and date of birth, then assigns match groups confidence scores from 0.0 to 1.0. The service reads input from AWS Glue and allows up to 20 data inputs. Rule-based matching can process new Amazon S3 data incrementally. For synchronous lookups, the GetMatchId API retrieves an existing match ID from entity fields and hashes personally identifiable attributes. The service is accessible through the AWS console and API, and encrypts personally identifiable data at rest by default with AWS-owned keys; customer-managed symmetric AWS KMS keys are also supported. Provider matching includes LiveRamp, TransUnion, and Unified ID 2.0 identifiers, but requires a provider license agreement. AWS states that the service is compliant with PCI DSS and SOC 1, SOC 2, and SOC 3 measures. Pricing is billed per 1,000 records processed; provider subscription costs are additional where applicable.
For and against
For
- Offers rule-based, machine-learning, and provider matching.
- Supports up to 20 AWS Glue data inputs.
- Rule-based matching can process new S3 data incrementally.
- GetMatchId provides synchronous lookups.
- Encrypts personally identifiable data at rest by default.
Against
- AWS Free Tier is unavailable.
- Provider matching requires a license agreement.
- Provider subscription costs are additional.
- All processed records are charged, including unmatched records.
The verdict
AWS Entity Resolution provides several ways to link records, including rule-based and machine-learning options. Costs are based on records processed, and provider matching brings additional licensing requirements.
Who it suits
AWS Entity Resolution may suit teams that need to connect related records across data stores and applications. It offers multiple matching methods and AWS console and API access.
Plans and prices
Data service provider matching
Requires a provider license or subscription · Provider subscription costs are additional · Available in US East (Ohio), US East (N. Virginia), and US West (Oregon)
Read 9 Oct 2026 · aws.amazon.com
Rule-based or ML-powered matching
All processed records are charged, including records with no match · Pricing does not vary by AWS Region
Read 9 Oct 2026 · aws.amazon.com
On the record
- Access
- The service is accessible through the AWS Entity Resolution console and API.docs.aws.amazon.com · read 9 Oct 2026
- Compliance
- AWS states that the service is compliant with PCI DSS and SOC 1, SOC 2, and SOC 3 measures.docs.aws.amazon.com · read 9 Oct 2026
- Data inputs
- The service reads input data from AWS Glue and allows a maximum of 20 data inputs.docs.aws.amazon.com · read 9 Oct 2026
- Encryption
- The service encrypts personally identifiable data at rest by default with AWS-owned keys and also supports customer-managed symmetric AWS KMS keys.docs.aws.amazon.com · read 9 Oct 2026
- Free tier
- AWS states that the AWS Free Tier is not available for AWS Entity Resolution.aws.amazon.com · read 9 Oct 2026
- Incremental processing
- Automatic incremental processing is available for rule-based matching when new data arrives in Amazon S3.docs.aws.amazon.com · read 9 Oct 2026
- Integrations
- Documented related AWS services include Amazon S3, AWS Glue, AWS CloudTrail, CloudFormation, and AWS Clean Rooms.docs.aws.amazon.com · read 9 Oct 2026
- Matching methods
- It offers rule-based, machine learning, and data service provider matching techniques.aws.amazon.com · read 9 Oct 2026
- ML matching
- Its preconfigured ML model matches consumer records using fields such as name, email, phone, address, and date of birth, and assigns match groups confidence scores from 0.0 to 1.0.docs.aws.amazon.com · read 9 Oct 2026
- Near real-time lookup
- The GetMatchId API synchronously retrieves an existing match ID using entity fields, and hashes PII attributes for data protection.docs.aws.amazon.com · read 9 Oct 2026
- Provider integrations
- AWS describes matching with LiveRamp, TransUnion, and Unified ID 2.0 identifiers; provider matching requires a license agreement.aws.amazon.com · read 9 Oct 2026
- Purpose
- AWS Entity Resolution matches, links, and enhances related customer, product, business, or healthcare records across applications, channels, and data stores.aws.amazon.com · read 9 Oct 2026
- Rule-based matching
- Users can customize matching rules by changing their input fields, priority, and rule set.docs.aws.amazon.com · read 9 Oct 2026
