Frequently asked questions

You can find answers to the most common questions about OpenSanctions here, including detailed information about the structure of the database, the commercial product, and technical details of the API and bulk data.

API

What are the API usage limits and how can I optimize my API calls?
What uses of the API are metered and cost money?
Is there an API for matching entity lists against OpenSanctions?
Should I use the /match or the /search API?
Can the API absorb a high request volume?
When do I use the /entities endpoint?
When do I use the /search API?
Why do results in the /match and /search endpoints not include relationships?
How can I tune scoring to reduce false positives?
What details should I supply for entity matching?
What are the known limitations of the matching API?
What is the API key quota, and how can I change the quota?
Can I select a specific subset of datasets to match against?
Can I embed OpenSanctions entity profiles as an iframe?

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FAQ Understanding the data

Entity structure

Data dictionary

Identifiers and de-duplication

Matcher training data

Using the matching API

Configure result scoring

OpenSanctions is free for non-commercial users. Businesses must acquire a data license to use the dataset.

Use the API License in bulk