TEXT TO VIDEO. NO WATERMARK. $1 A CLIP.

Type a prompt, get a 5-second portrait clip at 540x960 with no watermark.
Every clip is $1, paid once. No subscription, credits never expire, and a failed clip is refunded automatically.

3,131 clips generated

This clip: $1 · 5 s · 540x960 · no watermark

Failed clips are refunded automatically. Credits never expire. Why no watermark.

GENERATED WITH SISIF

"Anime style: a woman in a summer dress walking a sunlit meadow of cherry blossoms"

5s portrait

"Vaporwave style: a woman lounging by a glowing neon pool under a synthwave sunset"

5s portrait

"Comic book style: a confident heroine in a sleek suit on a skyscraper ledge at sunset"

5s portrait

"3D animation style: a stylish woman in summer fashion on a sunny palm-lined boulevard"

5s portrait

"Pixel art style: a rider on a glowing neon motorcycle through a rainy cyberpunk city"

5s portrait

"CCTV footage style: an elegant woman in an evening gown crossing a marble hotel lobby"

5s portrait

HOW IT COMPARES

Tool Free tier Watermark on free output Entry paid plan
Sisif None. $1 a clip, bought one at a time None None needed. Monthly plans from $10/month (100 credits) if you want volume.
Runway 125 one-time credits (no refresh) Yes $12/mo
Pika ~80 credits/mo, 480p Yes $8/mo
Kling ~66 credits/day (~6 clips) Yes $5.99-7.99/mo

Competitor cells quoted from their pricing pages, last checked June 2026. Run the numbers for your volume.

HOW IT WORKS

01

DESCRIBE IT

Type one sentence. Three prompts above are a good start.

02

PAY $1

Sign in with Google or email, pay once. No card on file, no plan.

03

DOWNLOAD

A 5-second 540x960 clip lands in your library in 2-5 minutes. No watermark. Failed clips are refunded automatically.

FOR DEVELOPERS

The same engine behind one HTTP call. Pay per clip through the API too. API docs. 

$ curl -X POST https://sisif.ai/api/videos/generate/ \
    -H "Authorization: Bearer sk_live_..." \
    -H "Content-Type: application/json" \
    -d '{"prompt": "A golden sunset over mountains", "duration": 5}'

# Response
{
  "id": "vid_abc123",
  "status": "processing",
  "eta_seconds": 180
}

N8N INTEGRATION

Automate video generation at scale.
Connect Sisif to your existing workflows.

  • - Trigger video generation from any n8n node
  • - Process webhooks when videos complete
  • - Chain with 400+ other integrations
  • - No code required
View n8n Workflow Template
Example Workflow
1
Trigger: New row in Google Sheets
2
HTTP: POST to Sisif API
3
Wait: Poll status endpoint
4
Action: Upload to S3 / Send email

CODE EXAMPLES

Generate Video 

$ curl -X POST https://sisif.ai/api/videos/generate/ \
    -H "Authorization: Bearer sk_live_xxxxxxxxxxxxx" \
    -H "Content-Type: application/json" \
    -d '{
      "prompt": "A golden sunset over mountains",
      "duration": 5,
      "resolution": "540x960"
    }'

# Response
{
  "id": "vid_abc123",
  "status": "processing",
  "eta_seconds": 180
}

Check Status 

$ curl https://sisif.ai/api/videos/vid_abc123/status/ \
    -H "Authorization: Bearer sk_live_xxxxxxxxxxxxx"

# Response
{
  "status": "ready",
  "progress": 100,
  "video_url": "https://cdn.sisif.ai/videos/vid_abc123.mp4"
}
View Full Documentation Interactive Playground

PRICING

Pay per video. No subscriptions required.

Resolution Cost
720x1280 (ultra) duration x 6 credits
540x960 (high) duration x 2.5 credits

Example: a 5-second clip on the high tier = 12 credits, which is what $1 buys.

ONE CLIP, $1

$1 a clip - no watermark - no subscription - credits never expire.

Make your first clip for $1

Need higher volume? Contact us for custom rates.

FAQ

How long does video generation take?

2-5 minutes depending on duration and resolution. Poll the status endpoint or use webhooks for notifications.

What resolutions are supported?

Two options: 540x960 (high) and 720x1280 (ultra). All optimized for vertical/social formats.

Is there rate limiting?

Default: 10 requests/minute, 100/hour, 1000/day. Contact us for higher limits.

Can I use generated videos commercially?

Yes. All videos generated are yours to use commercially.

Do you offer webhooks?

Yes. Configure webhook URLs to receive notifications when videos complete or fail.

MAKE YOUR FIRST VIDEO

Sign up, pay $1 and export your first clip with no watermark.

Make your first clip for $1
Make your first clip for $1