RelayDance guides

• How to call the Seedance 2.0 video generation API
• 如何调用 Seedance 2.0 视频生成 API
• Image to video API: how to animate an image with RelayDance
• 图生视频 API：用 RelayDance 让一张图片动起来
• Text to video API quickstart with an OpenAI compatible endpoint
• 文生视频 API 快速上手（OpenAI 兼容端点）
• How much does the Seedance API cost and how is it billed
• Seedance API 价格与计费方式详解
• Which video model to use: Seedance 2.0 vs 1.5 Pro vs HappyHorse vs Grok Imagine
• 视频模型怎么选：Seedance 2.0、1.5 Pro、HappyHorse 与 Grok Imagine
• How to generate 4K video through an API
• 如何通过 API 生成 4K 视频
• Multi reference image fusion for video generation
• 多参考图融合的视频生成怎么做
• Webhook callbacks vs polling for long running video tasks
• 长时间视频任务：用 Webhook 回调还是轮询
• How to generate video with audio through an API
• 如何通过 API 生成带音频的视频
• RelayDance API authentication, keys and payment
• RelayDance API 鉴权、密钥与支付
• Seedance API returns 401 Unauthorized: how to fix invalid API key errors on RelayDance
• Seedance API 报 401 Unauthorized：RelayDance API key 无效错误排查
• Video generation task stuck in queued: how long Seedance tasks normally take and when to worry
• 视频生成任务一直卡在 queued：Seedance 任务正常要多久，多久算异常
• Getting 429 Too Many Requests from the Seedance API: rate limit causes and retry strategies
• Seedance API 返回 429 Too Many Requests：限流原因与重试策略
• Insufficient quota error on RelayDance: how to check your balance and top up
• RelayDance 提示 insufficient quota：如何查询余额并充值
• Seedance task failed with a content moderation error: what gets rejected and how to rewrite prompts
• Seedance 任务因内容审核失败：哪些内容会被拒，提示词该怎么改
• Image to video request rejected: fixing invalid image URL, size and format errors
• 图生视频请求被拒：图片 URL 无效、尺寸和格式错误怎么解决
• Seedance output looks blurry or soft: resolution settings and upscale options that fix quality
• Seedance 生成的视频发糊：靠分辨率参数和超分选项提升画质
• Polling a video task returns 404 not found: task id errors explained
• 轮询视频任务返回 404 not found：task id 查不到的常见原因
• Client timeout while waiting for video generation: setting sensible timeouts for Seedance tasks
• 等待视频生成时客户端超时：调用 Seedance 该怎么设置超时时间
• 400 bad request from /v1/video/generations: the most common parameter mistakes
• /v1/video/generations 返回 400 bad request：最常见的参数错误汇总
• First frame or last frame image ignored: checking how you pass frames to Seedance
• 首帧尾帧图片不生效：检查 Seedance 首尾帧参数的正确传法
• @imageN reference not working in a Seedance prompt: ordering and content array pitfalls
• Seedance 提示词里 @imageN 引用不生效：图片顺序和 content 数组的坑
• Video came out shorter than requested: Seedance duration limits and the 15 second cap
• 生成的视频比设定时长短：Seedance 时长限制与 15 秒上限说明
• 500 and 503 errors from a video generation API: when to retry and when to give up
• 视频生成 API 返回 500 或 503：什么时候该重试，什么时候该放弃
• OpenAI SDK not reaching RelayDance: base_url and path configuration mistakes
• OpenAI SDK 连不上 RelayDance：base_url 和路径配置错误排查
• Video task status is failed with no error detail: a debugging checklist for Seedance
• 视频任务显示 failed 却没有报错信息：Seedance 排查清单
• Generated video ignores half my prompt: prompt structure fixes for better adherence
• 生成视频只听一半提示词：优化 Seedance 提示词结构提升还原度
• CORS error when calling RelayDance from the browser: why video generation belongs on the server
• 浏览器直接调 RelayDance 报 CORS 错误：为什么视频生成要放在服务端
• Retried a request and got two videos: avoiding duplicate tasks and double spending
• 重试请求结果生成了两条视频：如何避免重复任务和重复扣费
• No sound in the generated video: checking audio options in Seedance 2.0 requests
• 生成的视频没有声音：检查 Seedance 2.0 请求里的音频选项
• 4K generation fails while 1080p works: model and parameter requirements for native 4K
• 4K 生成失败但 1080p 正常：原生 4K 的模型与参数要求
• Video result URL stopped working: downloading and storing Seedance output the right way
• 视频结果链接失效打不开：正确下载并长期保存 Seedance 输出
• Faces look warped in image to video results: input photo tips that keep the person recognizable
• 图生视频人脸变形：输入照片怎么选才能保住人物长相
• Video generation slower at peak hours: measuring the real latency of Seedance tasks
• 高峰期视频生成变慢：如何实测 Seedance 任务的真实耗时
• Upscale task errors on a 480p source video: common seedance-upscale failures and fixes
• 480p 视频超分任务报错：seedance-upscale 常见失败原因与解决
• Seedance Fast vs Seedance Mini: which budget video model fits your workload
• Seedance Fast 和 Seedance Mini 怎么选：低成本视频模型对比
• 480p plus AI upscale vs native 720p: quality and cost compared
• 480p 加 AI 超分对比原生 720p：画质和成本哪个更划算
• Native 4K generation vs 1080p upscaled to 4K: which looks better and costs less
• 原生 4K 生成对比 1080p 超分到 4K：画质和价格全面对比
• Text to video vs image to video: which gives more control over the final shot
• 文生视频和图生视频怎么选：哪种方式对画面控制更强
• Seedance API vs Sora API: access, pricing and limits compared for developers
• Seedance API 和 Sora API 对比：开发者视角的接入、价格与限制
• Seedance vs Runway API for programmatic video: cost per second compared
• Seedance 和 Runway API 对比：程序化生成视频按秒成本谁更低
• Seedance vs Kling API: which AI video model is easier to integrate
• Seedance 和可灵 Kling API 对比：哪个更容易接入
• Seedance vs Google Veo for API video generation: features and pricing
• Seedance 和 Google Veo 视频生成 API 对比：功能与价格
• gpt-image-2 through RelayDance vs OpenAI direct: when an API gateway makes sense
• 走 RelayDance 用 gpt-image-2 和直连 OpenAI 的区别：什么时候该用中转网关
• Per second billing vs per clip billing for AI video: which saves money on short content
• AI 视频按秒计费和按条计费对比：短视频场景哪种更省钱