视频
文本生成视频
从提示词创建视频片段:构图、运动、时长与交付。
好的视频方案会说明主体、地点、动作、构图和镜头运动。先制作短片段,再以满意的结果为基础迭代。
实操要点
按优先目标选择模型——速度、还原度、分辨率或控制能力——并保存每次结果的参数和版本。 sora2, veo3.1-*, wan2.7-video and kling-3.0-* — Text to video.
每次尝试只改一件事。好的输出应保留为参考图,它是下一轮迭代最可靠的起点。
将 finished 和 failed 视为终态。使用 polling 或 webhook,在服务器保存原始错误,并向用户展示安全的信息。
提示词与 API 示例
Close up shot (composition) of melting icicles (subject) on a frozen rock wall(context) with cool blue tones (ambiance), zoomed in (camera motion) maintainingclose-up detail of water drips (action).
Source: Google AI for Developers, used under CC BY 4.0; format and dimensions adapted.
A barista slides a paper cup across the counter and says "your usual, right?",warm indoor light, handheld, slight rack focus onto the cup, cafe ambience
A close-up cinematic shot follows a desperate man in a weathered green trenchcoat as he dials a rotary phone mounted on a gritty brick wall, bathed in theeerie glow of a green neon sign. The camera dollies in, revealing the tensionin his jaw and the desperation etched on his face as he struggles to make thecall. The shallow depth of field focuses on his furrowed brow and the blackrotary phone, blurring the background into a sea of neon colors and indistinctshadows, creating a sense of urgency and isolation.
Source: Google AI for Developers, used under CC BY 4.0; format and dimensions adapted.
A satellite floating through outer space with the moon and some stars in thebackground.
Source: Google AI for Developers, used under CC BY 4.0; format and dimensions adapted.
A cyclist crests a hill at dusk, silhouette against an orange sky, cameratracking alongside, dust in the air
About these samples. Ready-made examples are copied to our own storage only when their source permits reuse. The exact prompt appears above each result, and the original source and license are linked below the media.
curl -X POST https://api.api-stock.com/api/v1/generation/create \-H "Authorization: Bearer sk-your-key" \-H "Content-Type: application/json" \-d '{"model": "veo3.1-quality","input": {"prompt": "A lighthouse on a basalt cliff at dawn, slow push-in, fog rolling over the water","aspectRatio": "16:9","resolution": "4k"}}'
{"code": 200,"data": {"taskId": "019ca881-9503-7270-a560-f00fc2b15785","status": "not_started","createdAt": "2026-02-28T11:22:33.000Z"}}
{"model": "doubao-seedance-2.0","input": {"prompt": "A lighthouse on a basalt cliff at dawn, fog rolling over the water","size": "16:9","resolution": "1080p","duration": 8,"generateAudio": true,"cameraFixed": false}}
curl https://api.api-stock.com/api/v1/task/status/019ca881-9503-7270-a560-f00fc2b15785 \-H "Authorization: Bearer sk-your-key"
{"code": 200,"data": {"taskId": "019ca881-9503-7270-a560-f00fc2b15785","status": "processing","createdTime": "2026-02-28T11:22:33.000Z"}}
{"code": 200,"data": {"taskId": "019ca881-9503-7270-a560-f00fc2b15785","status": "finished","files": [{"fileUrl": "https://storage.api-stock.com/generated/video-abc123.mp4","fileType": "video"}],"createdTime": "2026-02-28T11:22:33.000Z"}}
const BASE = "https://api.api-stock.com/api/v1";const KEY = process.env.API_STOCK_KEY!;type TaskFile = { fileUrl: string; fileType: "image" | "video" | "music" };type TaskData = {taskId: string;status: "not_started" | "processing" | "finished" | "failed";files?: TaskFile[];output?: Record<string, unknown>;createdTime: string;errorMessage?: string;};async function createVideo(prompt: string): Promise<string> {const res = await fetch(`${BASE}/generation/create`, {method: "POST",headers: {Authorization: `Bearer ${KEY}`,"Content-Type": "application/json",},body: JSON.stringify({model: "veo3.1-quality",input: { prompt, aspectRatio: "16:9", resolution: "4k" },}),});const body = await res.json();if (!res.ok) {// { code, error: { message, type, code } }throw new Error(`${body.error.code}: ${body.error.message}`);}return body.data.taskId; // → "019ca881-9503-7270-a560-f00fc2b15785"}async function waitForTask(taskId: string,{ intervalMs = 10_000, timeoutMs = 20 * 60_000 } = {},): Promise<TaskData> {const deadline = Date.now() + timeoutMs;while (Date.now() < deadline) {const res = await fetch(`${BASE}/task/status/${taskId}`, {headers: { Authorization: `Bearer ${KEY}` },});const body = await res.json().catch(() => null);if (!res.ok) {const message = body?.error?.message ?? `${res.status} ${res.statusText}`;throw new Error(message);}const data = body.data as TaskData;if (data.status === "finished") return data;if (data.status === "failed") {throw new Error(data.errorMessage ?? "generation failed");}await new Promise((r) => setTimeout(r, intervalMs));}// The task is still alive server-side — resume polling later with the id.throw new Error(`timed out waiting for ${taskId}`);}const taskId = await createVideo("A lighthouse on a basalt cliff at dawn, slow push-in, fog rolling over the water",);const task = await waitForTask(taskId);console.log(task.files?.[0].fileUrl); // → https://storage.api-stock.com/...mp4
{"model": "sora2","input": {"prompt": "Neon-lit rain on an empty parking garage, handheld","aspectRatio": "9:16","duration": 15},"webhook": "https://example.com/hooks/api-stock/8f2c1e9a-secret"}
{"code": 400,"error": {"message": "Input parameters do not match the requirements for model veo3.1-quality","type": "BadRequest","code": "invalid_input"}}
{"code": 200,"data": {"taskId": "019ca881-9503-7270-a560-f00fc2b15785","status": "failed","createdTime": "2026-02-28T11:22:33.000Z","errorMessage": "This generation may violate our content policy. Please try a different prompt."}}
用你自己的密钥跑一遍
本指南中的所有模型都已上架 API Stock 目录——一个 API 密钥、一个预付余额,无需在各家供应商分别注册。