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Readability Score API
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Readability Score API

by Info Inlet Inc.

Free Trial

Flesch / FK / SMOG / ARI / Gunning Fog + reading-level summary.

Readability Score API — Flesch / FK / SMOG / ARI / Gunning Fog + reading-level summary.

What you get

  • POST /v1/readability/score — primary endpoint.
  • X-API-Key authentication, per-key rate limits, audit log.
  • OpenRouter-backed where AI is involved — no model keys to manage on your side.
  • Interactive Swagger docs at api-readability.knowlez.com/docs.

Plans

  • Starter — $9/mo · 10,000 checks included · $0.0002/check overage.
  • Pro — $29/mo · 100,000 checks included · $0.0001/check overage.

At a glance

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