This endpoint gets information about all the custom bidders params that Prebid Server supports.
A JSON object whose keys are bidder codes, and values are Draft 4 JSON schemas which describe that bidders’ params.
For example:
{
"appnexus": { /* A json-schema describing AppNexus' bidder params */ },
"rubicon": { /* A json-schema describing Rubicon's bidder params */ }
... all other bidders will have similar keys & values here ...
}
The exact contents of the json-schema values can be found here.