I'm looking for an API that provides common aliases for famous people.
For instance, "Hillary Clinton" would be associated with common appellations like "Hillary Rodham Clinton".
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Wikidata provides such an API.
See for instance the Wikidata item for Hillary Clinton: https://www.wikidata.org/wiki/Q6294
The last column is what interests you.
You can get the information by calling a REST URL (with any programming language) and you get the result as JSON or TSV or other formats.
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