Returns a sample list of Benchmark Identifiers and the benchmark categorization to use in other Benchmark API endpoints.

Returns a **sample** list of Benchmark Identifiers to use in other Benchmark API endpoints. This is a supporting API to be use alongside the other Benchmark API endpoints. For example, use the fsymID value returned in this response as the input to your `ids` parameter in the /constituents endpoint to return constituents for that id. *This is not the full list of benchmark ids allowed in this service, but rather a representation of the most commonly requested. For complete assistance with I...