SeeDance 2.0 Fast

ByteDance SeeDance 2.0 Fast – faster throughput at lower cost. Same modes and aspect ratios as SeeDance 2.0 Pro.

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Videobytedance/seedance-2.0-fast$0.2900–$0.4800 / sec

Base URL

https://api.zekron.tech/api/v1

Supported modes

text-to-videoimage-to-videoprompt-references

Parameters

Pass these inside the input object when creating a task.

Field	Required
prompt	required
image_url	optional
mode	optional
aspect_ratio	optional
duration	optional
resolution	optional
generate_audio	optional

promptrequired

image_urloptional

modeoptional

aspect_ratiooptional

durationoptional

resolutionoptional

generate_audiooptional

Example request

bash

curl -X POST https://api.zekron.tech/api/v1/tasks \
  -H "Authorization: Bearer zk_live_xxx" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "bytedance/seedance-2.0-fast",
  "input": {
    "prompt": "a cinematic shot of a lighthouse at golden hour",
    "duration": 5,
    "aspect_ratio": "16:9",
    "resolution": "1080p",
    "mode": "std",
    "generate_audio": true
  }
}'

Example response

json

{
  "id": "zk_task_8f3a2b1c9d",
  "model": "bytedance/seedance-2.0-fast",
  "status": "processing",
  "created_at": "2026-06-10T12:00:00Z"
}

Poll GET https://api.zekron.tech/api/v1/tasks/{id} until status is success or failed.

Pricing

This model is billed at $0.2900–$0.4800 / sec. You are only charged for successful generations — failed tasks are never billed. Generated outputs are retained for 30 days before they expire.