API App Number of APIs: 4 Get API App GET https://api.hellosign.com/v3/api_app/:client_id List API Apps GET https://api.hellosign.com/v3/api_app/list?page_size=1 Create API App POST https://api.hellosign.com/v3/api_app Delete API App POST https://api.hellosign.com/v3/api_app/:client_id