How much does the Seedance 2 Fast API cost?

The default 5-second video at 720p costs 66 credits, about $1.29 at the shared USD reference. Read the live models endpoint before submitting.

Which inputs does Seedance 2 Fast accept?

It accepts a prompt plus the listed durations, resolutions, and aspect ratios. Reference inputs are not available through this v1 endpoint.

How do I retrieve Seedance 2 Fast output?

Poll the returned status URL until the job is ready, then download the signed output URL or URLs before they expire.

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Models · Video

Seedance 2 Fast API

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Seedance 2 Fast is good for generating short video shots when you need its listed duration, resolution, and framing options.

Pricing

Default example: 5-second video at 720p costs 66 credits, or $1.29 at the shared USD reference.

Resolution	Unit	Credits	USD
480p	Per second	13.2 cr	$0.26
720p	Per second	13.2 cr	$0.26

Accepted inputs

Kind: video
Durations: 4–15 seconds
Resolutions: 480p, 720p
Aspect ratios: 16:9, 9:16, 1:1, 4:3, 3:4, 21:9
Defaults: 5s · 720p · 16:9

Sample request

The request uses the current default settings for this model and the public GenerateMediaRequest schema.

curl -X POST "https://reviral.ai/api/v1/generate-media" \
  -H "Authorization: Bearer $REVIRAL_API_KEY" \
  -H "Idempotency-Key: first-video" \
  -H "Content-Type: application/json" \
  --data '{"model":"seedance-2-fast","prompt":"A slow camera move across a quiet lake at sunrise","durationSec":5,"resolution":"720p","aspectRatio":"16:9","maxCredits":66}'

Response and output

Accepted job

{
  "data": {
    "jobId": "550e8400-e29b-41d4-a716-446655440000",
    "kind": "video",
    "model": "seedance-2-fast",
    "creditsCharged": 66,
    "status": "queued",
    "statusUrl": "/api/v1/jobs/550e8400-e29b-41d4-a716-446655440000"
  }
}

Ready job

{
  "data": {
    "jobId": "550e8400-e29b-41d4-a716-446655440000",
    "kind": "video",
    "model": "seedance-2-fast",
    "creditsCharged": 66,
    "status": "ready",
    "statusUrl": "/api/v1/jobs/550e8400-e29b-41d4-a716-446655440000",
    "outputUrl": "https://reviral.ai/signed-output",
    "durationSec": 5
  }
}

Error cases

404 model_not_available: the ID is no longer in the live catalog.
409 price_changed: the current cost differs from maxCredits.
422 validation_error: duration, resolution, aspect ratio, size, or count is not accepted.
429 rate_limit_exceeded: wait for Retry-After before retrying.

Frequently asked questions

How much does the Seedance 2 Fast API cost?: The default 5-second video at 720p costs 66 credits, about $1.29 at the shared USD reference. Read the live models endpoint before submitting.
Which inputs does Seedance 2 Fast accept?: It accepts a prompt plus the listed durations, resolutions, and aspect ratios. Reference inputs are not available through this v1 endpoint.
How do I retrieve Seedance 2 Fast output?: Poll the returned status URL until the job is ready, then download the signed output URL or URLs before they expire.

All models Generate media Credits and pricing