Bot API 429 during JMeter concurrency test

Can anyone clarify the rate limits for /api/v2/analytics/conversations/queries?

Running JMeter from Singapore. Simulating 100 concurrent bot session checks. Hit 429 Too Many Requests immediately. Retries with exponential backoff just queue up more requests.

GC v2 API. Need to validate bot throughput. Current config fails fast. Any tips on pacing?

Thanks.