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AI Business Writing Suite

by Info Inlet Inc.

One API for every routine business document.

AI Business Writing Suite — One API for every routine business document. Generate cover letters, apology and decline letters, thank-you notes, acceptance letters, follow-up emails, professional bios, FAQs, job descriptions, and mission and vision statements.

🤖 LLM-powered (OpenRouter)

🚀 Newcomer launch pricing — limited-time introductory rates while we earn our first reviews.

Built for HR teams, founders, executive assistants, customer-success and people-ops professionals.

Why this exists

Drafting routine business correspondence eats hours every week, and stitching together five different single-purpose writing tools is a billing and procurement headache.

What you get

One subscription and one API key unlock eleven AI writing endpoints that turn a short brief into a polished, on-brand document in seconds.

Endpoints (11 total)

  • POST /v1/cover-letter/generate
  • POST /v1/apology-letter/generate
  • POST /v1/decline-letter/generate
  • POST /v1/thank-you/generate
  • POST /v1/acceptance-letter/generate
  • POST /v1/follow-up-email/generate
  • POST /v1/bio/generate
  • POST /v1/faq/generate
  • POST /v1/job-description/generate
  • POST /v1/mission/generate
  • POST /v1/vision/generate

Sample request

curl -X POST https://api-writing-suite.knowlez.com/v1/cover-letter/generate -H "X-API-Key: <your-key>" -H "Content-Type: application/json" -d '{}'

Pricing

  • Starter — $9/mo · 2,000 ops included · $0.003/op overage
  • Pro — $29/mo · 20,000 ops included · $0.002/op overage
  • Scale — $99/mo · 200,000 ops included · $0.001/op overage

Swagger / OpenAPI: api-writing-suite.knowlez.com/docs

At a glance

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