Currently there are 4 means to connect to WIPO DAS:
- WIPO DAS Office portal (most small/medium size offices)
 - WIPO DAS REST API (PCT and Germany)
 - SFTP (AU,ES,GB,IL,NZ,SE)
 - TDA (US,EP,CN,JP,EM,KR)
 
Due to the approval of ST.92, offices using the SFTP or TDA connection, will eventually move to the DAS REST API.