generated: '2026-08-09'
method: searched
source: https://www.lacuna.fm/api/openapi.json
docs: https://www.lacuna.fm/docs/api
scope: per API key
rate_limits:
  - name: Requests per minute
    limit_count: 60
    limit_period: minute
    scope: per API key
    on_exceed:
      http_status: 429
      error_code: rpm_exceeded
      headers: [Retry-After]
  - name: Concurrent generations (Pro)
    limit_count: 10
    limit_period: concurrent
    scope: per API key
    plan: Pro
    on_exceed:
      http_status: 429
      error_code: concurrent_limit_exceeded
      headers: [Retry-After]
  - name: Concurrent generations (Ultra)
    limit_count: 20
    limit_period: concurrent
    scope: per API key
    plan: Ultra
    on_exceed:
      http_status: 429
      error_code: concurrent_limit_exceeded
      headers: [Retry-After]
overrides: Account-specific concurrency overrides may apply.
quota:
  unit: credits
  note: >-
    Beyond request rate, every generation consumes plan credits — aether 50, echo 80, nocturne 180 per
    request. Exhaustion is a 402 insufficient_credits, not a 429.
signaling:
  headers_on_success: none published
  headers_on_429: [Retry-After]