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GrammarBot

APIyesOSS—FREEyesDOCS4/5
GR7.6#11 of 88
—Web—Windows—Mac—Linux—Android—iOS

Ranked in Grammar checkers ·Free plan· paid from $0.01/mo

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About

GrammarBot is ranked #11 of 88 in grammar checkers on Inferse. It runs on API. There is a free plan. Paid plans start at $0.01/mo.

Compared on grammar checkers

Free plan
Yesdocs.grammarbot.io
Browser extension
Nodocs.grammarbot.io
Desktop app
Nodocs.grammarbot.io
Mobile app
Nodocs.grammarbot.io
Style suggestions
Nodocs.grammarbot.io
Tone detection
Nodocs.grammarbot.io
Languages supported
1docs.grammarbot.io

Facts

Product
GrammarBot Neural is a deep learning-based REST API for grammar and spell checking.docs.grammarbot.io · 7 Oct 2026
Corrections
The API checks grammar, spelling, and punctuation and returns a corrected version of submitted text.docs.grammarbot.io · 7 Oct 2026
Correction markup
An optional `apply=xml` parameter returns markup specifying edits to the input text.docs.grammarbot.io · 7 Oct 2026
API access
The Neural API is currently hosted on RapidAPI and requires an API key.docs.grammarbot.io · 7 Oct 2026
Language
English is the documented default language, and the page says to contact GrammarBot to request another language.docs.grammarbot.io · 7 Oct 2026
Input limits
The documentation lists a maximum of 5,000 characters per request, a rate limit of 1–3 requests per second based on plan, and a 15,000-request daily limit.docs.grammarbot.io · 7 Oct 2026
Input format
The API documentation says input should be plain text and warns that HTML, tables, and irregular formatting may not produce satisfactory output.docs.grammarbot.io · 7 Oct 2026
Latency and uptime
The pricing page states that 90% of requests complete in under one second, 96% in under two seconds, and uptime is 99.99%.docs.grammarbot.io · 7 Oct 2026
Privacy
The privacy policy says API submissions are processed in real time and are not stored, retained, or logged, though request metadata may be retained.grammarbot.io · 7 Oct 2026
Transmission security
The privacy policy says API data is encrypted in transit using SSL/TLS.grammarbot.io · 7 Oct 2026
Data providers
The privacy policy names Stripe for payment processing and Amazon Web Services and Vultr for hosting and IT infrastructure.grammarbot.io · 7 Oct 2026
Support
The maker lists [email protected] for technical and other questions.grammarbot.io · 7 Oct 2026
Intended users
The maker describes GrammarBot as an affordable grammar and spelling API for developers to integrate into applications and services.grammarbot.io · 7 Oct 2026
Company
The privacy policy identifies Oasic Technologies LLC and gives its address as 1107 Bayswater Drive, Union, KY 41091.grammarbot.io · 7 Oct 2026

Company

Founded
The About page says the team recognized the need for an accurate, affordable grammar-checking API in 2018.grammarbot.io · 7 Oct 2026

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Where it ranks on Inferse

Sources