There are different reasons why there might be missing or erroneous data when requesting data via Montel Web API. Potential reasons for errors might be that incorrect or no data has been published by the exchange, or that there are issues on our end. To better pinpoint the cause of the missing data, verify the issue by using Montel Web API Demo Client (click the link to download the Demo Client).
The source's website can be used to verify the availability of the data. To verify the data, go to the source's website and see if the data is available there.
If the data is available on the source's website, contact support and provide us with the API call (URL) and results that Montel Web API Demo Client returns.
Click here for more information about Montel Web API.