That is also my problem before, but now it so easy to solve. First is you need to be updated to all information of that specific project or token( visit their official site or in telegram ) cause they are the only one who will decide where to exchange the token that you want to monitor. Listing token is not as easy as you think, try to hit this link https://coinmarketcap.com/faq/, you can see how to process it.

The criteria for a cryptocurrency to be listed is the following:

- Must be a cryptocurrency or a crypto token.
- Must be on a public exchange with an API that reports the last traded price and the last 24 hour trading volume.
- Must have a non-zero trading volume on at least one supported exchange so a price can be determined.
- For market cap ranking, an accurate circulating supply figure is required.