429: the caller's hourly history request budget is spent. The budget is separate from the per-minute REST limit and is published per tier in GET /tiers as limits.historyRequestsPerHour (anonymous.historyRequestsPerHour for keyless calls).
e.g. "This key can make 600 history requests an hour."
Seconds until the hourly history budget admits another request. Also sent as the Retry-After header.
429: the caller's hourly history request budget is spent. The budget is separate from the per-minute REST limit and is published per tier in GET /tiers as limits.historyRequestsPerHour (anonymous.historyRequestsPerHour for keyless calls).