generated: '2026-07-18'
method: searched
source: https://docs.deepdub.ai/authentication
note: Concurrency-based rate limiting keyed on subscription plan. Exceeding limits returns HTTP 429 (or WebSocket error errorType RateLimit).
signal:
  http_status: 429
  websocket_error_type: RateLimit
rate_limits:
- name: Concurrent requests per customer
  limit_count: 5
  window: concurrent
  scope: customer
- name: Concurrent requests per IP
  limit_count: 3
  window: concurrent
  scope: ip
credits:
  model: TTS generation consumes credits based on generated audio duration.
  exhausted_error: InsufficientCredits (HTTP 402)