News author letter counts
Returns available news author initials and counts. Front-end directory-browse projection over the full news-author inventory; not an enrichment read or write surface.
Authentication
X-Client-Secretstring
Client secret for read-only service-to-service access (no writes)
Response
OK
counts
Letter → count map. Keys are single uppercase A–Z characters; missing keys mean zero rows.
Errors
400
Bad Request Error
401
Unauthorized Error
403
Forbidden Error
406
Not Acceptable Error
429
Too Many Requests Error
500
Internal Server Error
503
Service Unavailable Error