Document Translation API

Document Translation API — Translate PDF + DOCX preserving paragraph breaks → text + reflowed PDF.

What you get

• POST /v1/doc/translate — 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-translate-doc.knowlez.com/docs.

Plans

• Starter — $9/mo · 200 pages included · $0.05/page overage.
• Pro — $29/mo · 3,000 pages included · $0.025/page overage.