# Company enrichment from your code (/docs/leads/company-enrichment/api)

Authenticated with `?privateKey=YOUR_KEY` (see [Authentication](/docs/authentication)).

<Endpoints ops={["GET /v3/enrich"]} />

<ApiPlayground
  ops={["GET /v3/enrich"]}
  method="get"
  path="/v3/enrich"
  tool="enrich_domain"
  args={`{
  "domain": "northwind-analytics.example"
}`}
/>

## Use case: Enrich sign-ups as they arrive [#use-case-enrich-sign-ups-as-they-arrive]

Call `GET /v3/enrich?domain=…` with the domain of each new sign-up’s email and store the company details next to them.