Model Walk Video API

Your model walks, turns or poses, runway style, from a single image: describe the movement, get a clip.

POST/v1/generateworkflow: model_walk-v1

One endpoint serves every workflow — this page documents model_walk-v1, the current version. Credits are debited at submission (2.2 cr/s standard, 4.4 cr/s pro); a failed generation is refunded automatically. Earlier versions of this endpoint, if any, keep being served under their own names. This workflow needs an active plan.

Parameter	Value for this workflow
workflow	"model_walk-v1" required
model_image	Model image — one public HTTPS URL.required
fields.movement	Movement. What the model does — walks toward the camera, turns, poses.
duration	5 · 10 (seconds)
tier	"standard" (2.2 cr/s) or "pro" (4.4 cr/s)
webhook_url	Optional — we POST the outcome here when the generation settles. Without it, poll the URL returned in the response until the status settles.

Example request

curl -X POST https://thenewblack.ai/api/v1/generate \
  -H "Authorization: Bearer tnb_live_XXXXXXXXXXXX" \
  -H "Content-Type: application/json" \
  -d '{
    "workflow": "model_walk-v1",
    "model_image": "https://example.com/model.jpg",
    "fields": {
      "movement": "walks toward the camera on a runway, confident pace"
    },
    "duration": "5",
    "tier": "standard"
  }'

// 202 Accepted
{
  "generation_id": "3f1c9a6e-...",
  "status": "running",
  "poll": "/api/v1/generations/3f1c9a6e-..."
}

Example response

Poll /v1/generations/{id} (or receive the webhook) until the generation settles:

// 200 OK
{
  "generation_id": "3f1c9a6e-...",
  "workflow": "model_walk",
  "status": "succeeded",
  "result": {
    "type": "video",
    "url": "https://.../result.mp4",
    "thumbnail": "https://.../thumb.webp"
  }
}

Results are stored for 48 hours — copy them to your own storage. Authentication, errors and webhooks are documented in the full API reference.

Frequently asked questions

What does the model walk endpoint need?

One image of a model wearing the outfit and a sentence describing the movement — a runway walk, a turn, a pose change.

Does the outfit stay the same?

Yes — the clip animates the model in the image; the garment, colours and details are kept as photographed.

How much does it cost?

2.2 credits per second on the standard tier, 4.4 per second on pro. Credits come with plans and packs; a failed generation is always refunded.

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