Hume AI · Rate Limits
Hume Ai Rate Limits
Hume rate-limits primarily through plan-based monthly TTS character allowances, EVI minutes, and concurrent connection caps. Specific HTTP RPS limits are not publicly documented; Expression Measurement is gated by job throughput.
Hume Ai Rate Limits is the machine-readable rate-limit profile for Hume AI on the APIs.io network, conforming to the API Commons Rate Limits specification.
It captures 5 rate-limit definitions, measuring characters, minutes, concurrent_connections, and requests.
The profile also includes 2 backoff/retry policies defined and response codes documented for throttled.
Tagged areas include AI, Voice, Empathic, Emotion, and Multimodal.
5 Limits
Throttle: 429
AIVoiceEmpathicEmotionMultimodalRate LimitingQuotasThrottling
Limits
TTS Characters/Month (Free) account
10000
~10 minutes of TTS audio.
EVI Minutes/Month (Free) account
5
Concurrent Connections (Free) account
1
EVI Minutes/Month (Business) account
12500
HTTP Requests account
not publicly documented
Verify with Hume support; standard 429 backoff applies.
Policies
Backoff Strategy
Clients should implement exponential backoff with jitter and honor any Retry-After header.
Plan Sizing
Choose plan tier based on monthly TTS character and EVI minute usage projections.