This will search Leads and match on the Company Name and return any matches in a JSON or CSV format.
{toucan url}/Api/searchleads_gd/{guid}/json/{searchkey}
{toucan url}/Api/searchleads_gd/{guid}/csv/{searchkey}
Where:
toucan url is the the customers toucan web site url
guid is the customers Toucan unique company guid
searchkey - is the data your searching the leads with, for example full or partial customer name.
JSON example:
https://dev2.toucanreporting.com/Api/searchleads_gd/8535d614-bfe5-430b-b10f-051d42d01707/json/STEVE
...