generated: '2026-08-18'
method: searched
source: https://sylvia-api.com/rate-limits.json
checked: '2026-08-18'
upstream_format: API Commons Rate Limits 0.1
upstream_modified: '2026-08-18'
confidence: high
confidence_note: Read verbatim from the provider's own machine-readable rate-limits document, not scraped
  from a rendered page and not inferred from a gateway fingerprint. Header names and limits are the
  provider's published values. Not yet observed on a live 429 from this repo.
headers:
  tier: X-RateLimit-Tier
  limit: X-RateLimit-Limit
  remaining: X-RateLimit-Remaining
  reset: X-RateLimit-Reset
  retryAfter: Retry-After
response_codes:
  throttled: 429
  quotaExceeded: 429
  serviceUnavailable: 503
limit_count: 4
scopes:
- scope: api-key
  tier: free
  surface: REST (api.sylvia-api.com/v1)
  window: minute
  limit: 480
  burst: 15
- scope: api-key
  tier: strela
  surface: REST (api.sylvia-api.com/v1)
  window: minute
  limit: 1200
  burst: 40
- scope: api-key
  tier: svetka
  surface: REST (api.sylvia-api.com/v1)
  window: minute
  limit: 2400
  burst: 80
- scope: api-key
  tier: enterprise
  surface: REST (api.sylvia-api.com/v1)
  window: minute
  limit: 3600
  burst: 100