Hosted REST API for text analysis. One POST endpoint returns readability scores (8 formulas: Flesch-Kincaid, Gunning Fog, SMOG, Coleman-Liau, ARI, Dale-Chall, Linsear Write, consensus grade), AFINN sentiment analysis, TF-IDF keyword extraction, and SEO scoring. Works in Python, Ruby, Go, PHP, or any HTTP client. Free tier: 1,000 requests/month. No credit card. In development.
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About this launch
TextLens API by CKM Tools Will be launched January 18th 2028.