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# VXC Terms and Improved Telemetry API

**Terms on VXC** – VXCs can now be put on a 12, 24, or 36 month term. The following APIs have been updated to accept the new optional field `term` to put a VXC on term:

* `POST /v3/networkdesign/validate`
* `POST /v3/networkdesign/buy`
* `PUT /v3/product/vxc/{productUid}`

Acceptable values for `term` are: 1, 12, 24, 36. If `term` is not provided when validating and ordering a VXC, it defaults to 1 (No Minimum Term). If `term` is not provided when updating a VXC, the existing value is not updated.

**Improved Telemetry API** – The following enhancements have been made to the Telemetry APIs:

* You can now specify a time span in 'days in the past' instead of needing exact dates.
* You can ask for multiple metrics in a single request (for example, bit rate + packet rate) to reduce the number of requests needed.

For more information, see [Metric Types](/api-reference).

**AWS HC Fetch Supported Bandwidths** – A new public API `/v2/secure/awshc` has been created to look up AWS HC ports with supported bandwidth options.