generated: '2026-07-19' method: searched source: openapi/hellosign-openapi-original.yaml docs: https://developers.hellosign.com/api/reference/authentication/ summary: types: - http api_key_style: http-basic (API key as Basic username, empty password) oauth2_flow: authorizationCode oauth2_authorization_url: https://app.hellosign.com/oauth/authorize oauth2_token_url: https://app.hellosign.com/oauth/token scopes_artifact: scopes/hellosign-scopes.yml schemes: - name: api_key type: http scheme: basic description: |- Your API key can be used to make calls to the Dropbox Sign API. See [Authentication](/api/reference/authentication) for more information. ✅ Supported by Try it console (calls sent in `test_mode` only). sources: - openapi/hellosign-openapi-original.yaml - name: oauth2 type: http scheme: bearer bearerFormat: JWT description: |- You can use an Access Token issued through an OAuth flow to send calls to the Dropbox Sign API from your app. The access scopes required by this endpoint are listed in the gray box above. See [Authentication](/api/reference/authentication) for more information. ❌ **Not supported** by Try it console. sources: - openapi/hellosign-openapi-original.yaml