> ## Documentation Index
> Fetch the complete documentation index at: https://docs.companies.social/llms.txt
> Use this file to discover all available pages before exploring further.

# Quickstart

> Make your first API call in 30 seconds

<Steps>
  <Step title="Get your API key">
    Sign up at [companies.social](https://companies.social) and create an API key from the dashboard. Keys are prefixed with `ck_`.
  </Step>

  <Step title="Make a request">
    Look up any company by domain:

    ```bash theme={null}
    curl -H "x-api-key: ck_your_key" \
      https://api.companies.social/domain/stripe.com
    ```
  </Step>

  <Step title="Get the social graph">
    The API returns every linked social profile:

    ```json theme={null}
    {
      "companyId": "stripe_com",
      "domain": "stripe.com",
      "socials": {
        "twitter": "https://x.com/stripe",
        "linkedin": "https://linkedin.com/company/stripe",
        "github": "https://github.com/stripe"
      },
      "scrapedAt": "2026-03-01T12:00:00.000Z",
      "cached": false
    }
    ```
  </Step>
</Steps>

## Look up by any identifier

You're not limited to domains. Query by any supported platform:

```bash theme={null}
# By Twitter handle
curl -H "x-api-key: ck_your_key" \
  https://api.companies.social/twitter/stripe

# By LinkedIn
curl -H "x-api-key: ck_your_key" \
  https://api.companies.social/linkedin/stripe

# By GitHub org
curl -H "x-api-key: ck_your_key" \
  https://api.companies.social/github/stripe
```

See [supported platforms](/index#supported-platforms) for which identifiers support active vs. passive lookup.