How much does the Seedance 2.5 720p (Flat B) API cost?

The default 30-second video at 720p costs 253 credits, about $4.93 at the shared USD reference. Read the live models endpoint before submitting.

Which inputs does Seedance 2.5 720p (Flat B) 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 2.5 720p (Flat B) 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 2.5 720p (Flat B) API

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Seedance 2.5 720p (Flat B) is good for generating short video shots when you need its listed duration, resolution, and framing options.

Pricing

Default example: 30-second video at 720p costs 253 credits, or $4.93 at the shared USD reference.

Resolution	Unit	Credits	USD
720p	Per 30-second video	253 cr	$4.93

Accepted inputs

Kind: video
Durations: 30s
Resolutions: 720p
Aspect ratios: 16:9, 9:16, 1:1
Defaults: 30s · 720p · 9:16

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-2.5-720p-flat-b","prompt":"A slow camera move across a quiet lake at sunrise","durationSec":30,"resolution":"720p","aspectRatio":"9:16","maxCredits":253}'

Response and output

Accepted job

{
  "data": {
    "jobId": "550e8400-e29b-41d4-a716-446655440000",
    "kind": "video",
    "model": "seedance-2.5-720p-flat-b",
    "creditsCharged": 253,
    "status": "queued",
    "statusUrl": "/api/v1/jobs/550e8400-e29b-41d4-a716-446655440000"
  }
}

Ready job

{
  "data": {
    "jobId": "550e8400-e29b-41d4-a716-446655440000",
    "kind": "video",
    "model": "seedance-2.5-720p-flat-b",
    "creditsCharged": 253,
    "status": "ready",
    "statusUrl": "/api/v1/jobs/550e8400-e29b-41d4-a716-446655440000",
    "outputUrl": "https://reviral.ai/signed-output",
    "durationSec": 30
  }
}

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 2.5 720p (Flat B) API cost?: The default 30-second video at 720p costs 253 credits, about $4.93 at the shared USD reference. Read the live models endpoint before submitting.
Which inputs does Seedance 2.5 720p (Flat B) 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 2.5 720p (Flat B) 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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