Words are counted on the text you send. Humanize and detect share one pool. Going over is refused with 402 — never billed as overage.
Test keys (ht_test_…) return stub responses and never use words. Learn more
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Compare plans
Limits apply per account; rate limits apply per key.
| Plan | Free trial | Starter | Growth | Scale | Enterprise |
|---|---|---|---|---|---|
| Price / month | Free | $29 | $99 | $249 | $499 |
| Words / month | 2,000 (one-time) | 100,000 | 500,000 | 1,500,000 | 4,000,000 |
| Max words / request | 1,000 | 1,500 | 3,000 | 5,000 | 6,000 |
| Requests / minute | 5 | 30 | 60 | 120 | 240 |
| Live API keys | 1 | 2 | 5 | 10 | Unlimited |
| Test keys | |||||
| Humanize + detect | |||||
| Support | Docs | Priority |
FAQ
Pricing questions
Start humanizing in the next five minutes
Create a free account, grab a key and send your first request. Trial words are on us.