Precautions

1. Interface Request Domain:
   (Only HTTPS requests are supported, with TLS1.2)
   • Sandbox Environment Domain:
     https://openapi-sml.esignglobal.com
   • Production Environment Domain:
     • Hong Kong Data Center:
       https://openapi-as1.esignglobal.com
     • Singapore Data Center:
       https://openapi-as2.esignglobal.com
     • European Union Data Center:

       https://openapi-eu1.esignglobal.com

Please select the domain name of the corresponding data center for the request according to the data center of the workspace to which the appID belongs.( Log in to the eSignGlobal system and click Settings > Profile > Data Center)

• Request Header Setting:
  Before requesting a API, developers must first get the BEARER_TOKEN through the service access credential, and then set the Authorization parameter in the request header of the business API request.
  Example:

• API Calls for Authentication Using a Token:
  Tokens are valid for 24 hours. Developers should obtain a new token before the current one expires.
• Parameter Format:
  All enumeration parameters in the API are represented in the Key-Value format.
• Character Encoding:
  All API calls must use UTF-8 character encoding.
• Document Updates:
  This document will be updated from time to time.