Who invested in Extern?
Extern's investors include Y Combinator, Right Side Capital Management, Foundation Capital and Learn Capital.

United States · Seed startup
Funding summaryUpdated 26 Oct 2026
$100Kraised across 1 round since 2021, from 1 source
From Extern's own website: 2 on the team.
Extern's investors include Y Combinator, Right Side Capital Management, Foundation Capital and Learn Capital.
Extern has raised $100K across 1 round since 2021.
Extern's most recent round was a Seed of $100K in Oct 2021.
Its most recent round, $100K in Oct 2021, is also its largest on record.
Extern's first round on record, in Oct 2021, was backed by Y Combinator, Right Side Capital Management and Foundation Capital and 1 others.
Extern's latest named round is a Seed, in Oct 2021.
Extern is based in the United States.
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