Documentation Signal Checker API (v1) Use the links to below to use SwaggerHub to review and test integration to the API.Query Checker – check how many request units your query will use and if your query is under the area limit.Data Retrieval – main endpoint for getting signal data.Get Remaining Request Units for a Subscription – check how many request units are left on a subscription. Country and Mobile/Cell Operators Below is a table of all the countries and operators we currently include in our datasets. Failed to fetch countries. Get in touch for more information Contact Us