# Change History

Released On | What's New
--- | ---

2018-10-30

This release incorporates the following changes:

- Optimized the document structure.
- Deleted the introduction section.
- Added section Obtaining the API Version Information.

2018-04-30

This release incorporates the following changes:

- Added the description about how to use the Direct Connect APIs.
- Added API constraints for creating a connection.

2018-03-30 | This release incorporates the following changes: Modified the API usage.

2018-02-18

This release incorporates the following changes:

- Modified the example request and example response in section Creating a Connection.
- Added an example request for which filtered parameters are returned in section Querying the Connection List.
- Changed value options of Port Type to 1G and 10G in table "Connection object".
- Changed the value options of Port Type to 1G or 10G in table "Description of field direct_connects" in section Querying the Connection List.
- Changed the value of Port Type to 1G or 10G in table "Description of field direct_connects" in section Querying a Connection.
- Changed the value of Port Type to 1G or 10G in table "Description of field direct_connects" in section Updating a Connection.
- Modified the description about parameter local_ep_group_id in table "Description of field virtual_gateway" in section Creating a Virtual Gateway.
- Added an example request for which filtered parameters are returned in section Querying the Virtual Gateway List.
- Added an example request for which filtered parameters are returned in section Querying the Virtual Interface List.
- Added an example request for which filtered parameters are returned in section Querying the Direct Connect Endpoint Group List.
- Deleted request parameter endpoint_group_id in section Updating a Direct Connect Endpoint Group.

2017-11-30

This release incorporates the following changes:

- Updated the parameters in the "Connection object" table.
- Added parameters type and ipsec_bandwidth to the "Virtual gateway object" table.

2017-9-30 | This issue is the first official release.