Grammar checking and text analysis REST API providing spelling corrections, grammar error detection, readability scoring, language detection, and text summarization across 11 languages.
Multiple pricing tiers based on monthly request volume
Identifies spelling, grammar, style, and punctuation errors with suggested corrections
Detects spelling mistakes only, lighter-weight alternative to full grammar check
Returns auto-corrected version of input text
Returns style and grammar improvement suggestions
Calculates readability metrics using Flesch-Kincaid, Gunning Fog, Coleman-Liau, and SMOG algorithms
Combines grammar checking with readability metrics in a single request
Determines text language and dialect with probability scores
Extracts key sentences and ranked keywords from longer texts
Returns a paraphrased version of the input text
Translates text to a specified target language