GrammarBot

7.2easy start · #41of 88
in Grammar checkers

Free to practise onyes
Well documentedyes
Runs where you workno

Runs on api. Paid plans from $0.01/mo.

GrammarBot is ranked #41 of 88 in grammar checkers on The Geeks Club. It runs on API. There is a free plan. Paid plans start at $0.01/mo.

GrammarBot plans and pricing

All plans

Free Free 500 requests per month grammarbot.io · 21 Sept 2026

Neural: less than 3 million characters $0.02/mo Characters submitted per month Less than 3 million characters per month docs.grammarbot.io · 21 Sept 2026

Neural: 3 million to 12 million characters $0.02/mo Characters submitted per month 3 million to 12 million characters per month docs.grammarbot.io · 21 Sept 2026

Neural: 12 million to 30 million characters $0.01/mo Characters submitted per month 12 million to 30 million characters per month docs.grammarbot.io · 21 Sept 2026

Neural: more than 30 million characters More than 30 million characters per month docs.grammarbot.io · 21 Sept 2026

Standard API $0.02/mo $0.02 per 1000 characters for less than 3 million characters/month Character-based pricing · 3–12 million: $0.015 per 1000 characters · 12–30 million: $0.01 per 1000 characters · over 30 million: contact us docs.grammarbot.io · 7 Oct 2026

Compared on grammar checkers

Free plan: Yes
Browser extension: No
Desktop app: No
Mobile app: No
Style suggestions: No
Tone detection: No
Languages supported: 1

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The record

Product: GrammarBot Neural is a deep learning-based REST API for grammar and spell checking.
Corrections: The API checks grammar, spelling, and punctuation and returns a corrected version of submitted text.
Correction markup: An optional `apply=xml` parameter returns markup specifying edits to the input text.
API access: The Neural API is currently hosted on RapidAPI and requires an API key.
Language: English is the documented default language, and the page says to contact GrammarBot to request another language.
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.
Input format: The API documentation says input should be plain text and warns that HTML, tables, and irregular formatting may not produce satisfactory output.
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%.
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.
Transmission security: The privacy policy says API data is encrypted in transit using SSL/TLS.
Data providers: The privacy policy names Stripe for payment processing and Amazon Web Services and Vultr for hosting and IT infrastructure.
Support: The maker lists [email protected] for technical and other questions.
Intended users: The maker describes GrammarBot as an affordable grammar and spelling API for developers to integrate into applications and services.
Company: The privacy policy identifies Oasic Technologies LLC and gives its address as 1107 Bayswater Drive, Union, KY 41091.
Price from: $0.01/mo

Where it ranks on The Geeks Club

Best Grammar Checkers in 2026#41 of 88

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Sources

docs.grammarbot.io· checked 7 Oct 2026
docs.grammarbot.io/request/· checked 7 Oct 2026
docs.grammarbot.io/pricing/· checked 7 Oct 2026
grammarbot.io/privacy· checked 7 Oct 2026
grammarbot.io/contact· checked 7 Oct 2026
grammarbot.io/about· checked 7 Oct 2026
grammarbot.io/generation1· checked 21 Sept 2026