LOCAL-FIRST WRITING API

Powerful writing tools.
One clean API.

Grammar, spelling, capitalization, tense checking and tone tools behind a developer-friendly API with usage limits and keys.

✓ API keys ✓ Usage tracking ✓ Local grammar engine

POST /v1/check

{
  "text": "I eat yesterday."
}

{
  "success": true,
  "grammar": {
    "corrected": "I ate yesterday."
  }
}

Build with FastAPI PHP SQLite LanguageTool

FEATURES

Everything needed for a writing API MVP

Start simple, then expand the engine over time.

Correct common grammar issues and basic present, past and future tense mistakes.

✓

Catch spelling mistakes and capitalization issues while preserving known proper nouns.

↗

Detect simple writing tone and rewrite into professional, formal, friendly and more.

⌘

Create unique keys, set request limits and track usage from the developer dashboard.

◒

See requests used, remaining quota and the current developer plan at a glance.

▶

Test requests directly from the portal before integrating the API into another app.

READY TO BUILD?