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yente

yente is an open source data match-making API. The service provides several HTTP endpoints to search, retrieve or match FollowTheMoney entities, including people, companies or vessels that are subject to international sanctions.

The yente API is built to provide access to OpenSanctions data, it can also be used to search and match other data, such as company registries or custom watchlists.

While yente is the open source core code base for the OpenSanctions API, it can also be run on-premises as a KYC appliance so that no customer data leaves your infrastructure.

Development

yente is implemented in asynchronous, typed Python using the FastAPI framework. We're happy to see any bug fixes, improvements or extensions from the community. For local development without Docker, install the package into a fresh virtual Python environment like this:

git clone https://github.com/opensanctions/yente.git
cd yente
pip install -e .

This will install a broad range of dependencies, including numpy, scikit-learn and pyicu, which are binary packages that may require a local build environment. For pyicu in particular, refer to the package documentation.

Running the server

Once you've set the YENTE_INDEX_URL environment variable to point to a running instance of ElasticSearch or OpenSearch, you can run the web server like this:

yente serve

License and Support

yente is licensed according to the MIT license terms documented in LICENSE. Using the service in a commercial context may require a data license for OpenSanctions data.