https://app.bugsplat.com/api/allcrash?database=Fred&filterscount=2&filterdatafield0=appVersion&filtercondition0=EQUAL&filtervalue0=2020.10.23.0&filteroperator1=AND&filterdatafield1=crashTime&filtercondition1=GREATER_THAN&filtervalue1=2020-10-23:20:00:00MST
Let's decompose those uri parameters...
?database=Fred
This selects the 'Fred' database
&filterscount=2
We are defining two filters
&filterdatafield0=appVersion&filtercondition0=EQUAL
&filtervalue0=2020.10.23.0
First filter on appVersion='2020.10.23.0'
&filteroperator1=AND&filterdatafield1=crashTime&filtercondition1=GREATER_THAN
&filtervalue1=2020-10-23:20:00:00MST
Second filter AND crashTime greater than 2020-10-23:20:00:00MST