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API v1 · preview

Build with IntactVoice. Your voice, facts locked.

Two APIs and one profile. Move drafts toward a writer's habits and phrases so they sound more human and more like them, with every number, name and link checked. Score AI-likelihood sentence by sentence, with the reasons attached.

QuickstartAPI reference

Developer quickstart

One request rewrites a draft in a saved voice and returns the fidelity report and before/after detection scores.

  1. 1

    Create a test key

    Keys start with sk_test_ and are never billed.

  2. 2

    Send a draft to /rewrite

    Pick a platform and, optionally, a voice.

  3. 3

    Read fidelity.status

    A changed fact fails the request with 422 and isn't billed.

Read the quickstart
curl -X POST https://api.intactvoice.com/v1/rewrite \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "text": "Many businesses struggle to create useful blog posts because the writer receives only a topic. Escalate any case older than 14 days.",
  "voice_id": "voice_8f2k1x",
  "platform": "blog",
  "strength": "standard",
  "fidelity": "strict"
}'
fidelity.status: "pass"14 days → 14 days ✓ai_likelihood 0.91 → 0.14