Writing

Grammarly for Developers

Grammarly's writing API for apps

★4.3ratingPricing · PaidStable
The FalcoScan Intel PanelGrammarly for Developers · Writing
Data updated 2 November 2026
Opportunity
Moderate
Band
Saturation
Contested
Band
Wrapper risk
Low
Band
Momentum
Stable
Market trend
Rating
4.3
of 5 · FalcoScan rating

Writing AI has no moat to speak of on average, from the moat scores of its rated products. What protects Writing AI tools, and the widest moats

The Brief

What Grammarly for Developers does

The page is documentation for Grammarly HTTP REST APIs, which give organizations programmatic access to its machine learning and AI technology and admin functions. Listed use cases include evaluating documents at scale, setting quality thresholds for texts in business processes, integrating analytics into BI systems, and managing subscriptions and licenses at scale. Named API products are the Analytics API, License Management API, Writing Score API, AI Detection API (beta) and Plagiarism Detection API (beta). The page links to Grammarly apps rather than describing API integrations, including desktop, browser, Microsoft Office and mobile apps. It states no prices and links to plans for Pro, Teams and Enterprise.

How Grammarly for Developers compares with its closest alternatives

3 of the 5 closest alternatives have a free plan; Grammarly for Developers does not. None of the 5 offers an API, which Grammarly for Developers does. Grammarly for Developers offers a web app. Of the alternatives, all 5 offer a web app. Grammarly for Developers was founded in 2009; the alternatives were founded between 2012 and 2019. Grammarly for Developers is based in San Francisco, United States; 1 of the 4 alternatives with a known headquarters is in the United States too, and the others in the United Kingdom and India.

Market position · Writing

How Grammarly for Developers compares in Writing

Grammarly for Developers has moderate opportunity and sits in the top third of 329 live Writing tools on FalcoScan. Across Writing, the average opportunity score is 39.5 and the average saturation score 64.8. FalcoScan rates Grammarly for Developers's own market position as contested. 23 of the 329 operating Writing tools have hot momentum, and FalcoScan has recorded 20 shutdowns in the category.

Grammarly for Developers compared with its closest alternatives
ProductOpportunitySaturationPricingPricing fromFree planAPIPlatformsMomentum
Grammarly for DevelopersFounded 2009 · San Francisco, United StatesModerateContestedPaid—NoYesWeb, APIStable
Grammarly Business AIFounded 2015 · San Francisco, United StatesModerateContestedPaid—NoNoWeb, ExtensionHot
ProWritingAid DeepFounded 2012 · London, United KingdomModerateContestedFreemium—YesNoWeb, DesktopRising
ProWritingAid ProFounded 2012 · London, United KingdomModerateContestedFreemium—YesNoWeb, Desktop, ExtensionRising
Trinka Academic AIFounded 2019 · Mumbai, IndiaModerateContestedFreemium—YesNoWeb, ExtensionRising
Hemingway ProFounded 2013 · Remote-firstModerateContestedPaid—NoNoWeb, DesktopStable

Exact opportunity and saturation scores for all 6 of these, and where each ranks in Writing.

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What it ships with

Capabilities & who uses it

The capabilities Grammarly for Developers exposes to builders and the verticals it currently serves.

AI Capabilities
Text GenerationClassification
Industry Verticals
SoftwareMarketingEducation
Tagged

Grammarly for Developers shows up when builders search for these

apigrammarembedding
Similar tools · Writing

Alternatives to Grammarly for Developers

Products still running that do the same job, from the writing market and related ones, closest match first.

See the Writing market
Writing
Grammarly Business AI

AI writing assistant for enterprise teams

★ 4.5Opportunity Moderate
Paid
Writing
ProWritingAid Deep

Deep grammar and style checker for authors

★ 4.4Opportunity Moderate
Freemium
Writing
ProWritingAid Pro

Deep writing analysis beyond grammar

★ 4.4Opportunity Moderate
Freemium
Writing
Trinka Academic AI

AI grammar checker for academic writing

★ 4.3Opportunity Moderate
Freemium
Writing
Hemingway Pro

Write bold, clear sentences, AI catches the rest

★ 4.4Opportunity Moderate
Paid
Writing
Notion AI Mail

AI email drafting inside Notion Mail

★ 4.4Opportunity Moderate
Freemium
Featured in
Questions

Grammarly for Developers: common questions

Is Grammarly for Developers free?

No. Grammarly for Developers is a paid product.

What are the best alternatives to Grammarly for Developers?

The closest alternatives to Grammarly for Developers that are still running, matched on the AI capabilities, uses and audience they share, are Grammarly Business AI, ProWritingAid Deep, ProWritingAid Pro, Trinka Academic AI, and Hemingway Pro.

Is Grammarly for Developers still running?

Yes. As of 2 November 2026, FalcoScan lists Grammarly for Developers as operating at developer.grammarly.com.

Where is Grammarly for Developers based?

Grammarly for Developers is headquartered in San Francisco, United States.

Does Grammarly for Developers have an API?

Yes. Grammarly for Developers offers an API.

Who is Grammarly for Developers for?

Grammarly for Developers is built for businesses, enterprises, and developers.

How do I sign in to Grammarly for Developers?

Sign in on Grammarly for Developers's own website, developer.grammarly.com. FalcoScan reviews Grammarly for Developers but does not run its accounts, so logins, passwords and billing are handled by Grammarly for Developers directly.

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