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dedupe

Chicago, Illinois, United States

On the record

API
The former Dedupe.io web API supported matching and training against projects through REST calls, including incremental checks, matches and additions after deduplication.dedupe.io · read 4 Oct 2026
Compliance
The former service's FAQ states that Dedupe.io was certified FERPA compliant as of July 2019.dedupe.io · read 10 Oct 2026
Data formats
The former service’s FAQ says uploads accepted Excel spreadsheets and CSV files, with one record per row and column names in the first row.dedupe.io · read 4 Oct 2026
Data privacy
The former service's FAQ says it would not rent or sell submitted data and would not allow third-party access without signed consent.dedupe.io · read 10 Oct 2026
Features
Documented features include learned weights and blocking rules, laptop execution, library integration, and support for custom data types, comparators, and blocking rules.docs.dedupe.io · read 10 Oct 2026
How it learns
It uses human-labeled training data to learn rules for finding similar records, including in large databases.docs.dedupe.io · read 10 Oct 2026
Input formats
The former Dedupe.io service accepted spreadsheet files (.xls, .xslx) and comma-separated text (.csv).dedupe.io · read 10 Oct 2026
Installation
The documentation gives `pip install dedupe` as the installation command.docs.dedupe.io · read 10 Oct 2026
Integrations
The project describes dedupe as a library that can be integrated into applications or import scripts; it also documents CSV deduplication through the separate csvdedupe command-line tool.docs.dedupe.io · read 4 Oct 2026
Intended users
The maintainers describe the library as suitable for integration into applications or import scripts, while the former Dedupe.io service was designed as an online tool for non-developers.docs.dedupe.io · read 10 Oct 2026
License
The GitHub repository identifies the project as MIT licensed.github.com · read 10 Oct 2026
Open source library
dedupe is a Python library that uses machine learning for fuzzy matching, deduplication and entity resolution on structured data.github.com · read 4 Oct 2026
Privacy
The former service’s FAQ says its privacy policy prohibited renting or selling user data and third-party access without signed consent, and limited company access to debugging and service improvement.dedupe.io · read 4 Oct 2026
Product status
Dedupe.io, the hosted service, shut down on January 31, 2023.dedupe.io · read 10 Oct 2026
Self-hosting
The developer page says Python developers can run the library on local machines or servers and build self-hosted entity-resolution pipelines.dedupe.io · read 4 Oct 2026
Support
The library documentation directs bug reports to GitHub Issues and lists a mailing list for users.docs.dedupe.io · read 10 Oct 2026
Training
The library uses human-labeled examples to learn rules for finding similar records, including in very large databases.docs.dedupe.io · read 4 Oct 2026
Training limit
The former service required at least 10 positive and 10 negative record-pair examples during training.dedupe.io · read 4 Oct 2026

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