Dear API user,

Currently, only 39 cryptocurrency pairs are supported in following Websocket APIs –

- market.$symbol.mbp.$levels （SUB）
- market.$symbol.mbp.$levels （REQ）
- market.$symbol.mbp.refresh.$levels（SUB）

Since 28 April 2020, HTX is going to support all cryptocurrency pairs in these Websocket APIs.

Effective Date: April 28, 2020 (GMT+8)
All the changes will be updated on https://huobiapi.github.io/docs/spot/v1/en/

HTX
April 29, 2020

What are the Impacts on You, and What You Need to Do?

API users should evaluate the business impact caused by the new endpoint introduced, further to make relevant change in client’s application, if needed.

All the changes will be updated on HTX API Docs on the effective date.