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Authenticate REST API requests

All Legalesign REST API requests require an Authorization header containing your API key.

Header format​

Authorization: Bearer your_api_key

Example​

curl -H "Authorization: Bearer your_api_key" \
     -H "Content-Type: application/json" \
     https://eu-api.legalesign.com/api/v1/group/

Getting an API key​

Generate your key at developer.legalesign.com — see How to generate an API key.

Common errors​

  • Missing Bearer prefix → 401
  • Invalid or expired key → 401
  • URL missing trailing slash → 404

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