SignNow Invite to sign test collection Number of APIs: 5 Authorization POST https://api.signnow.com/oauth2/token Upload document POST https://api.signnow.com/document Add field signature for document PUT https://api.signnow.com/document/{{document_id}} Get role id's GET https://api.signnow.com/document/{{document_id}} Send invite POST https://api.signnow.com/document/{{document_id}}/invite