On the Add signing method page, PDF Signing is now marked. Click NEXT.
Enter a Name and click NEXT. Read and Accept the terms. Click SUBMIT to confirm the method. An administrator account is now created, and you can try out the service by uploading and signing documents in the Nexus GO PDF Signing Portal.
When you are happy with the testing and want to buy the service for unlimited number of documents, you can upgrade to a Business subscription: In Services > Signing, select the added PDF Signing service, click Manage subscriptions, and enter your Invoice address. You will be contacted by Nexus with a confirmation. The signing service is now ready to use in your production environment.
Set up PDF Signing API
If you want to integrate signing operations into your own applications, you can use the PDF Signing API.