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NAWA enforces per-minute rate limits on each API key to ensure fair usage and platform stability.

Tier table

Free keys are rate-limited to 10 requests/minute and have a hard cap of 100 lifetime requests. Live keys start at the Growth tier (120/min). Enterprise tiers are available on request — contact sales@trynawa.com.

Rate limit headers

Every API response includes rate limit headers: On 429 responses, additional headers are included:

Semantic cache and rate limits

Semantic cache hits (X-NAWA-Cache: HIT) do not count toward your rate limits. If you’re classifying similar comments repeatedly, caching effectively increases your throughput.

Handling 429 errors

Use exponential backoff with jitter to retry rate-limited requests:
Do not retry in a tight loop without backoff. This will extend your rate limit window and may result in longer delays.