Create a Bullhorn lead, or update the one with the same email. `fields` maps Bullhorn Lead field names (a dotted address.city is nested) to values; each is cleaned to ASCII and cut to Bullhorn's field size, and an empty value is sent as given. The REST login is made first, from the access token and REST URL.
Price: $0.00 per unit.
Maximum charge per unit: $0.00.