Readability API

Score the readability of any English text. Returns Flesch-Kincaid, Gunning Fog, SMOG, ARI scores, sentence-level breakdown, improvement suggestions, and target grade pass/fail in one call.

1 subscribers
The in-depth APIMemo review for this API hasn't been published yet — the data below comes straight from the public marketplace listing.

Readability API pricing

PlanPriceRate limitQuotas
BASIC Free
  • Requests: 100 / monthly
PRO $9 / month 500 / hour
  • Requests: 10,000 / monthly
ULTRA $29 / month 5000 / hour
  • Requests: 100,000 / monthly
MEGA $79 / month 99999 / hour
  • Requests: 500,000 / monthly

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