Paraphraser API

Paraphraser API — Rewrite text in 6 tones (formal, casual, persuasive, simple, academic, marketing).

What you get

• POST /v1/text/paraphrase — primary endpoint.
• X-API-Key authentication, per-key rate limits, audit log.
• OpenRouter-backed where AI is involved — no model keys to manage on your side.
• Interactive Swagger docs at api-paraphrase.knowlez.com/docs.

Plans

• Starter — $9/mo · 1,000 ops included · $0.005/op overage.
• Pro — $29/mo · 10,000 ops included · $0.003/op overage.