Seedance 2.0 定制版 A —— 全模态视频生成(文生 / 图生 / 多模态参考),720p / 1080p 高清输出,可配合素材库(asset://)复用固定人物。三档:2.0 / Fast / Mini。
所有请求在 Header 携带 API Key:
Authorization: Bearer YOUR_API_KEY| 字段 | 必填 | 类型 | 说明 |
|---|---|---|---|
| 模型 | API name | 分辨率 | 约 $/秒(720p / 1080p) |
| Seedance 2.0 | seedance2-a/seedance-2.0-a | 720p / 1080p | $0.147 / $0.365 |
| Seedance 2.0 Fast | seedance2-a/seedance-2.0-fast-a | 720p | $0.118 /s |
| Seedance 2.0 Mini | seedance2-a/seedance-2.0-mini | 720p | $0.073 /s |
按官方 token 用量结算(实际扣费以生成完成的 token 为准),上表为约值。计费秒数 4-15s。
/api/v1/video/generations# Text-to-video (model: seedance-2.0-a / -fast-a / -mini)
curl -X POST https://apimodels.app/api/v1/video/generations \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "seedance2-a/seedance-2.0-a",
"prompt": "a hummingbird hovering near a bright flower, slow motion",
"resolution": "720p",
"aspect_ratio": "adaptive",
"duration": 5,
"generate_audio": true
}'
# Image-to-video (first frame) — pass first_frame_url (+ last_frame_url for first/last)
# "first_frame_url": "https://.../frame.jpg"
# Multimodal reference — up to 9 images + 3 videos + 3 audios:
# "reference_image_urls": ["https://.../a.jpg"],
# "reference_video_urls": ["https://.../v.mp4"],
# "reference_audio_urls": ["https://.../a.mp3"]
# Web search tool: "web_search": true
# Real-person / reusable characters — use an asset:// reference (see Asset Library):
# "reference_image_urls": ["asset://asset-2026...-xxxx"]
# Poll for the result
curl "https://apimodels.app/api/v1/video/generations?task_id=TASK_ID" \
-H "Authorization: Bearer YOUR_API_KEY"| 字段 | 必填 | 类型 | 说明 |
|---|---|---|---|
| 模式 | 传入字段 | ||
| 文生视频 | prompt | ||
| 图生视频-首帧 | first_frame_url | ||
| 图生视频-首尾帧 | first_frame_url + last_frame_url | ||
| 多模态参考 | reference_image_urls (≤9) + reference_video_urls (≤3) + reference_audio_urls (≤3) | ||
| 编辑 / 延长视频 | 多模态里放源视频 reference_video_urls + prompt | ||
| 有声 / 联网搜索 | generate_audio (默认 true) / web_search | ||
| 真人 / 复用人物 | 参考用 asset://(见下方素材库) |
| 字段 | 必填 | 类型 | 说明 |
|---|---|---|---|
| 字段 | 类型 | 说明 | |
| model | string | seedance2-a/seedance-2.0-a / -fast-a / seedance-2.0-mini | |
| prompt | string | 提示词(图生/多模态时可选) | |
| resolution | string | 720p | 1080p | |
| aspect_ratio | string | 21:9 / 16:9 / 4:3 / 1:1 / 3:4 / 9:16 / adaptive | |
| duration | number | 4-15 秒 | |
| generate_audio | boolean | 生成原生音频,默认 true | |
| first_frame_url / last_frame_url | string | 图生视频首/尾帧 | |
| reference_image_urls / _video_urls / _audio_urls | string[] | 多模态参考,支持 https:// 或 asset:// | |
| web_search | boolean | 联网搜索工具 |
写实人脸直接当参考图会被上游内容审核拒。要复用同一个人物,先把图片上传到素材库拿到 asset:// 引用,再在生成请求里用它作参考。素材按令牌(API Key)隔离,上传成功每条计 $0.01。
# 1) Create a group (once)
curl -X POST https://apimodels.app/api/v1/assets/groups \
-H "Authorization: Bearer YOUR_API_KEY" -H "Content-Type: application/json" \
-d '{"name": "my-characters"}'
# → { "data": { "id": 1, "group_name": "group-..." } }
# 2) Create an asset from a public image URL (charged $0.01)
curl -X POST https://apimodels.app/api/v1/assets \
-H "Authorization: Bearer YOUR_API_KEY" -H "Content-Type: application/json" \
-d '{"url": "https://example.com/portrait.png", "asset_type": "Image", "name": "host", "group_id": 1}'
# → { "data": { "id": "asset-2026...-xxxx", "asset_url": "asset://asset-2026...-xxxx" } }
# 3) Poll until Active
curl -X POST https://apimodels.app/api/v1/assets/get \
-H "Authorization: Bearer YOUR_API_KEY" -H "Content-Type: application/json" \
-d '{"id": "asset-2026...-xxxx"}'
# 4) Use asset_url in a generation (see above): "reference_image_urls": ["asset://asset-2026...-xxxx"]| 字段 | 必填 | 类型 | 说明 |
|---|---|---|---|
| 端点 | 说明 | ||
| POST /v1/assets/groups | 创建分组(返回本地 group id) | ||
| GET /v1/assets/groups | 列出当前令牌的分组 | ||
| POST /v1/assets | 上传素材(url + asset_type + group_id)→ asset:// | ||
| POST /v1/assets/get | 查询单个素材(轮询到 Active) | ||
| POST /v1/assets/list | 分页列出素材 | ||
| POST /v1/assets/update | 重命名素材 | ||
| POST /v1/assets/delete | 删除素材 | ||
| POST /v1/assets/groups/delete | 删除分组及其素材 |
独立视频超分接口,把低清视频无损放大到 720p / 1080p / 2k / 4k。按输入视频时长计费,计费秒数 = max(向上取整(时长), 5)。$/秒:720p $0.03、1080p $0.045、2k $0.075、4k $0.12。
# Standalone video super-resolution → 720p / 1080p / 2k / 4k
curl -X POST https://apimodels.app/api/v1/video/generations \
-H "Authorization: Bearer YOUR_API_KEY" -H "Content-Type: application/json" \
-d '{"model": "video-upscale", "videoUrl": "https://example.com/in.mp4", "targetResolution": "1080p"}'试一试:Playground