Veo 3.1
Integrate
veo3.1
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://vit.doitong.com/api/v1/run/veo3.1?wait=20" \
-H "Authorization: Bearer $DOITONG_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"prompt": "{\n \"shot\": {\n \"composition\": \"wide shot centered at eye level, capturing the full view of the factory floor and the assembling motorbike\",\n \"lens\": \"35mm\",\n \"frame_rate\": \"24fps\",\n \"camera_movement\": \"static\"\n },\n\n \"subject\": {\n \"description\": \"a futuristic, strong motorbike assembling itself from scattered parts\",\n \"wardrobe\": \"\",\n \"props\": \"mechanical parts, gears, wires, pistons, body panels, wheels\"\n },\n\n \"scene\": {\n \"location\": \"large, clear industrial factory floor\",\n \"time_of_day\": \"midday\",\n \"environment\": \"shiny, clean surfaces with strong light and dramatic shadows; the atmosphere is warm and filled with subtle ambient haze\"\n },\n\n \"visual_details\": {\n \"action\": \"motorbike parts fly in from all directions, clicking and locking into place to form a complete, sleek vehicle\",\n \"special_effects\": \"electric zaps, soft glows, heat distortion waves rising from the exhaust\",\n \"hair_clothing_motion\": \"\"\n },\n\n \"cinematography\": {\n \"lighting\": \"bright overhead industrial lighting with sharp contrast, emphasizing form and texture\",\n \"color_palette\": \"warm tones with metallic highlights and soft amber reflections\",\n \"tone\": \"epic and intense, emphasizing mechanical precision and power\"\n },\n\n \"audio\": {\n \"music\": \"minimalist, deep synthetic pulses that build with the assembly\",\n \"ambient\": \"deep factory hum, subtle air movements\",\n \"sound_effects\": \"clicks, whirs, zaps, shinks, thuds, whooshes, crackles, hiss, rumble\",\n \"mix_level\": \"cinematic mix with prioritized effects and balanced music bed\"\n },\n\n \"dialogue\": {\n \"character\": \"\",\n \"line\": \"\",\n \"subtitles\": false\n }\n}",
"duration": "4s",
"resolution": "720p",
"generate_audio": false
}'
# Still "queued" or "running"? Poll with the id from the response:
curl "https://vit.doitong.com/api/v1/requests/REQUEST_ID?wait=20" \
-H "Authorization: Bearer $DOITONG_API_KEY"
const API = "https://vit.doitong.com/api/v1";
const headers = {
"Authorization": "Bearer " + process.env.DOITONG_API_KEY,
"Content-Type": "application/json",
};
// Run the model; wait up to 20 s for the finished result in the same call
let res = await fetch(API + "/run/veo3.1?wait=20", {
method: "POST",
headers,
body: JSON.stringify({
"prompt": "{\n \"shot\": {\n \"composition\": \"wide shot centered at eye level, capturing the full view of the factory floor and the assembling motorbike\",\n \"lens\": \"35mm\",\n \"frame_rate\": \"24fps\",\n \"camera_movement\": \"static\"\n },\n\n \"subject\": {\n \"description\": \"a futuristic, strong motorbike assembling itself from scattered parts\",\n \"wardrobe\": \"\",\n \"props\": \"mechanical parts, gears, wires, pistons, body panels, wheels\"\n },\n\n \"scene\": {\n \"location\": \"large, clear industrial factory floor\",\n \"time_of_day\": \"midday\",\n \"environment\": \"shiny, clean surfaces with strong light and dramatic shadows; the atmosphere is warm and filled with subtle ambient haze\"\n },\n\n \"visual_details\": {\n \"action\": \"motorbike parts fly in from all directions, clicking and locking into place to form a complete, sleek vehicle\",\n \"special_effects\": \"electric zaps, soft glows, heat distortion waves rising from the exhaust\",\n \"hair_clothing_motion\": \"\"\n },\n\n \"cinematography\": {\n \"lighting\": \"bright overhead industrial lighting with sharp contrast, emphasizing form and texture\",\n \"color_palette\": \"warm tones with metallic highlights and soft amber reflections\",\n \"tone\": \"epic and intense, emphasizing mechanical precision and power\"\n },\n\n \"audio\": {\n \"music\": \"minimalist, deep synthetic pulses that build with the assembly\",\n \"ambient\": \"deep factory hum, subtle air movements\",\n \"sound_effects\": \"clicks, whirs, zaps, shinks, thuds, whooshes, crackles, hiss, rumble\",\n \"mix_level\": \"cinematic mix with prioritized effects and balanced music bed\"\n },\n\n \"dialogue\": {\n \"character\": \"\",\n \"line\": \"\",\n \"subtitles\": false\n }\n}",
"duration": "4s",
"resolution": "720p",
"generate_audio": false
}),
});
let request = await res.json();
if (!res.ok) throw new Error(request.error.code + ": " + request.error.message);
// Not finished yet: long-poll until it is
while (request.status === "queued" || request.status === "running") {
res = await fetch(API + "/requests/" + request.id + "?wait=20", { headers });
request = await res.json();
}
if (request.status !== "succeeded") throw new Error(JSON.stringify(request.error));
console.log(request.outputs.map((o) => o.url), request.cost.credits + " API credits ($" + request.cost.usd + ")");
import os
import requests
API = "https://vit.doitong.com/api/v1"
headers = {"Authorization": "Bearer " + os.environ["DOITONG_API_KEY"]}
payload = {
"prompt": "{\n \"shot\": {\n \"composition\": \"wide shot centered at eye level, capturing the full view of the factory floor and the assembling motorbike\",\n \"lens\": \"35mm\",\n \"frame_rate\": \"24fps\",\n \"camera_movement\": \"static\"\n },\n\n \"subject\": {\n \"description\": \"a futuristic, strong motorbike assembling itself from scattered parts\",\n \"wardrobe\": \"\",\n \"props\": \"mechanical parts, gears, wires, pistons, body panels, wheels\"\n },\n\n \"scene\": {\n \"location\": \"large, clear industrial factory floor\",\n \"time_of_day\": \"midday\",\n \"environment\": \"shiny, clean surfaces with strong light and dramatic shadows; the atmosphere is warm and filled with subtle ambient haze\"\n },\n\n \"visual_details\": {\n \"action\": \"motorbike parts fly in from all directions, clicking and locking into place to form a complete, sleek vehicle\",\n \"special_effects\": \"electric zaps, soft glows, heat distortion waves rising from the exhaust\",\n \"hair_clothing_motion\": \"\"\n },\n\n \"cinematography\": {\n \"lighting\": \"bright overhead industrial lighting with sharp contrast, emphasizing form and texture\",\n \"color_palette\": \"warm tones with metallic highlights and soft amber reflections\",\n \"tone\": \"epic and intense, emphasizing mechanical precision and power\"\n },\n\n \"audio\": {\n \"music\": \"minimalist, deep synthetic pulses that build with the assembly\",\n \"ambient\": \"deep factory hum, subtle air movements\",\n \"sound_effects\": \"clicks, whirs, zaps, shinks, thuds, whooshes, crackles, hiss, rumble\",\n \"mix_level\": \"cinematic mix with prioritized effects and balanced music bed\"\n },\n\n \"dialogue\": {\n \"character\": \"\",\n \"line\": \"\",\n \"subtitles\": false\n }\n}",
"duration": "4s",
"resolution": "720p",
"generate_audio": False,
}
# Run the model; wait up to 20 s for the finished result in the same call
r = requests.post(API + "/run/veo3.1", params={"wait": 20}, json=payload, headers=headers)
request = r.json()
if not r.ok:
raise RuntimeError(request["error"]["code"] + ": " + request["error"]["message"])
# Not finished yet: long-poll until it is
while request["status"] in ("queued", "running"):
request = requests.get(API + "/requests/" + request["id"], params={"wait": 20}, headers=headers).json()
if request["status"] != "succeeded":
raise RuntimeError(request["error"])
print([o["url"] for o in request["outputs"]], request["cost"]["credits"], "API credits", "$" + request["cost"]["usd"])
# 1. Connect once (Claude Code; Cursor, VS Code, Claude Desktop: https://doitong.com/en-US/developers/docs/mcp)
claude mcp add --transport http doitong-models https://vit.doitong.com/api/v1/mcp \
--header "Authorization: Bearer $DOITONG_API_KEY"
# 2. Your agent calls the "run" tool with:
{
"model_id": "veo3.1",
"input": {
"prompt": "{\n \"shot\": {\n \"composition\": \"wide shot centered at eye level, capturing the full view of the factory floor and the assembling motorbike\",\n \"lens\": \"35mm\",\n \"frame_rate\": \"24fps\",\n \"camera_movement\": \"static\"\n },\n\n \"subject\": {\n \"description\": \"a futuristic, strong motorbike assembling itself from scattered parts\",\n \"wardrobe\": \"\",\n \"props\": \"mechanical parts, gears, wires, pistons, body panels, wheels\"\n },\n\n \"scene\": {\n \"location\": \"large, clear industrial factory floor\",\n \"time_of_day\": \"midday\",\n \"environment\": \"shiny, clean surfaces with strong light and dramatic shadows; the atmosphere is warm and filled with subtle ambient haze\"\n },\n\n \"visual_details\": {\n \"action\": \"motorbike parts fly in from all directions, clicking and locking into place to form a complete, sleek vehicle\",\n \"special_effects\": \"electric zaps, soft glows, heat distortion waves rising from the exhaust\",\n \"hair_clothing_motion\": \"\"\n },\n\n \"cinematography\": {\n \"lighting\": \"bright overhead industrial lighting with sharp contrast, emphasizing form and texture\",\n \"color_palette\": \"warm tones with metallic highlights and soft amber reflections\",\n \"tone\": \"epic and intense, emphasizing mechanical precision and power\"\n },\n\n \"audio\": {\n \"music\": \"minimalist, deep synthetic pulses that build with the assembly\",\n \"ambient\": \"deep factory hum, subtle air movements\",\n \"sound_effects\": \"clicks, whirs, zaps, shinks, thuds, whooshes, crackles, hiss, rumble\",\n \"mix_level\": \"cinematic mix with prioritized effects and balanced music bed\"\n },\n\n \"dialogue\": {\n \"character\": \"\",\n \"line\": \"\",\n \"subtitles\": false\n }\n}",
"duration": "4s",
"resolution": "720p",
"generate_audio": false
}
}
Call the Veo 3.1 model (veo3.1) through the Doitong API. Docs for agents: https://doitong.com/en-US/developers/models/veo3.1.md
POST https://vit.doitong.com/api/v1/run/veo3.1?wait=20
Authorization: Bearer $DOITONG_API_KEY
Content-Type: application/json
{
"prompt": "{\n \"shot\": {\n \"composition\": \"wide shot centered at eye level, capturing the full view of the factory floor and the assembling motorbike\",\n \"lens\": \"35mm\",\n \"frame_rate\": \"24fps\",\n \"camera_movement\": \"static\"\n },\n\n \"subject\": {\n \"description\": \"a futuristic, strong motorbike assembling itself from scattered parts\",\n \"wardrobe\": \"\",\n \"props\": \"mechanical parts, gears, wires, pistons, body panels, wheels\"\n },\n\n \"scene\": {\n \"location\": \"large, clear industrial factory floor\",\n \"time_of_day\": \"midday\",\n \"environment\": \"shiny, clean surfaces with strong light and dramatic shadows; the atmosphere is warm and filled with subtle ambient haze\"\n },\n\n \"visual_details\": {\n \"action\": \"motorbike parts fly in from all directions, clicking and locking into place to form a complete, sleek vehicle\",\n \"special_effects\": \"electric zaps, soft glows, heat distortion waves rising from the exhaust\",\n \"hair_clothing_motion\": \"\"\n },\n\n \"cinematography\": {\n \"lighting\": \"bright overhead industrial lighting with sharp contrast, emphasizing form and texture\",\n \"color_palette\": \"warm tones with metallic highlights and soft amber reflections\",\n \"tone\": \"epic and intense, emphasizing mechanical precision and power\"\n },\n\n \"audio\": {\n \"music\": \"minimalist, deep synthetic pulses that build with the assembly\",\n \"ambient\": \"deep factory hum, subtle air movements\",\n \"sound_effects\": \"clicks, whirs, zaps, shinks, thuds, whooshes, crackles, hiss, rumble\",\n \"mix_level\": \"cinematic mix with prioritized effects and balanced music bed\"\n },\n\n \"dialogue\": {\n \"character\": \"\",\n \"line\": \"\",\n \"subtitles\": false\n }\n}",
"duration": "4s",
"resolution": "720p",
"generate_audio": false
}
If the response status is "queued" or "running", poll GET https://vit.doitong.com/api/v1/requests/REQUEST_ID?wait=20 until it is "succeeded"; the files are in outputs[].url. POST https://vit.doitong.com/api/v1/quote/veo3.1 with the same body returns the exact price before the run.
This request: $0.80 800 API credits Run it on this page
Your new API key. It is shown only now and is already in the code and in the API key field below. Keep it secret: never put it in code that runs in a browser.
Examples
Prompt{ "shot": { "composition": "wide shot centered at eye level, capturing the full view of the factory floor and the assembling motorbike", "lens": "35mm", "frame_rate": "24fps", "camera_movement": "static" }, "subject": { "description": "a futuristic, strong motorbike assembling itself from scattered parts", "wardrobe": "", "props": "mechanical parts, gears, wires, pistons, body panels, wheels" }, "scene": { "location": "large, clear industrial factory floor", "time_of_day": "midday", "environment": "shiny, clean surfaces with strong light and dramatic shadows; the atmosphere is warm and filled with subtle ambient haze" }, "visual_details": { "action": "motorbike parts fly in from all directions, clicking and locking into place to form a complete, sleek vehicle", "special_effects": "electric zaps, soft glows, heat distortion waves rising from the exhaust", "hair_clothing_motion": "" }, "cinematography": { "lighting": "bright overhead industrial lighting with sharp contrast, emphasizing form and texture", "color_palette": "warm tones with metallic highlights and soft amber reflections", "tone": "epic and intense, emphasizing mechanical precision and power" }, "audio": { "music": "minimalist, deep synthetic pulses that build with the assembly", "ambient": "deep factory hum, subtle air movements", "sound_effects": "clicks, whirs, zaps, shinks, thuds, whooshes, crackles, hiss, rumble", "mix_level": "cinematic mix with prioritized effects and balanced music bed" }, "dialogue": { "character": "", "line": "", "subtitles": false } }
Build a request
Controls are generated from the model schema. The code and the price update as you change them.
/run/veo3.1?wait=20
quote → $0.80
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://vit.doitong.com/api/v1/run/veo3.1?wait=20" \
-H "Authorization: Bearer $DOITONG_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"prompt": "{\n \"shot\": {\n \"composition\": \"wide shot centered at eye level, capturing the full view of the factory floor and the assembling motorbike\",\n \"lens\": \"35mm\",\n \"frame_rate\": \"24fps\",\n \"camera_movement\": \"static\"\n },\n\n \"subject\": {\n \"description\": \"a futuristic, strong motorbike assembling itself from scattered parts\",\n \"wardrobe\": \"\",\n \"props\": \"mechanical parts, gears, wires, pistons, body panels, wheels\"\n },\n\n \"scene\": {\n \"location\": \"large, clear industrial factory floor\",\n \"time_of_day\": \"midday\",\n \"environment\": \"shiny, clean surfaces with strong light and dramatic shadows; the atmosphere is warm and filled with subtle ambient haze\"\n },\n\n \"visual_details\": {\n \"action\": \"motorbike parts fly in from all directions, clicking and locking into place to form a complete, sleek vehicle\",\n \"special_effects\": \"electric zaps, soft glows, heat distortion waves rising from the exhaust\",\n \"hair_clothing_motion\": \"\"\n },\n\n \"cinematography\": {\n \"lighting\": \"bright overhead industrial lighting with sharp contrast, emphasizing form and texture\",\n \"color_palette\": \"warm tones with metallic highlights and soft amber reflections\",\n \"tone\": \"epic and intense, emphasizing mechanical precision and power\"\n },\n\n \"audio\": {\n \"music\": \"minimalist, deep synthetic pulses that build with the assembly\",\n \"ambient\": \"deep factory hum, subtle air movements\",\n \"sound_effects\": \"clicks, whirs, zaps, shinks, thuds, whooshes, crackles, hiss, rumble\",\n \"mix_level\": \"cinematic mix with prioritized effects and balanced music bed\"\n },\n\n \"dialogue\": {\n \"character\": \"\",\n \"line\": \"\",\n \"subtitles\": false\n }\n}",
"duration": "4s",
"resolution": "720p",
"generate_audio": false
}'
# Still "queued" or "running"? Poll with the id from the response:
curl "https://vit.doitong.com/api/v1/requests/REQUEST_ID?wait=20" \
-H "Authorization: Bearer $DOITONG_API_KEY"
const API = "https://vit.doitong.com/api/v1";
const headers = {
"Authorization": "Bearer " + process.env.DOITONG_API_KEY,
"Content-Type": "application/json",
};
// Run the model; wait up to 20 s for the finished result in the same call
let res = await fetch(API + "/run/veo3.1?wait=20", {
method: "POST",
headers,
body: JSON.stringify({
"prompt": "{\n \"shot\": {\n \"composition\": \"wide shot centered at eye level, capturing the full view of the factory floor and the assembling motorbike\",\n \"lens\": \"35mm\",\n \"frame_rate\": \"24fps\",\n \"camera_movement\": \"static\"\n },\n\n \"subject\": {\n \"description\": \"a futuristic, strong motorbike assembling itself from scattered parts\",\n \"wardrobe\": \"\",\n \"props\": \"mechanical parts, gears, wires, pistons, body panels, wheels\"\n },\n\n \"scene\": {\n \"location\": \"large, clear industrial factory floor\",\n \"time_of_day\": \"midday\",\n \"environment\": \"shiny, clean surfaces with strong light and dramatic shadows; the atmosphere is warm and filled with subtle ambient haze\"\n },\n\n \"visual_details\": {\n \"action\": \"motorbike parts fly in from all directions, clicking and locking into place to form a complete, sleek vehicle\",\n \"special_effects\": \"electric zaps, soft glows, heat distortion waves rising from the exhaust\",\n \"hair_clothing_motion\": \"\"\n },\n\n \"cinematography\": {\n \"lighting\": \"bright overhead industrial lighting with sharp contrast, emphasizing form and texture\",\n \"color_palette\": \"warm tones with metallic highlights and soft amber reflections\",\n \"tone\": \"epic and intense, emphasizing mechanical precision and power\"\n },\n\n \"audio\": {\n \"music\": \"minimalist, deep synthetic pulses that build with the assembly\",\n \"ambient\": \"deep factory hum, subtle air movements\",\n \"sound_effects\": \"clicks, whirs, zaps, shinks, thuds, whooshes, crackles, hiss, rumble\",\n \"mix_level\": \"cinematic mix with prioritized effects and balanced music bed\"\n },\n\n \"dialogue\": {\n \"character\": \"\",\n \"line\": \"\",\n \"subtitles\": false\n }\n}",
"duration": "4s",
"resolution": "720p",
"generate_audio": false
}),
});
let request = await res.json();
if (!res.ok) throw new Error(request.error.code + ": " + request.error.message);
// Not finished yet: long-poll until it is
while (request.status === "queued" || request.status === "running") {
res = await fetch(API + "/requests/" + request.id + "?wait=20", { headers });
request = await res.json();
}
if (request.status !== "succeeded") throw new Error(JSON.stringify(request.error));
console.log(request.outputs.map((o) => o.url), request.cost.credits + " API credits ($" + request.cost.usd + ")");
import os
import requests
API = "https://vit.doitong.com/api/v1"
headers = {"Authorization": "Bearer " + os.environ["DOITONG_API_KEY"]}
payload = {
"prompt": "{\n \"shot\": {\n \"composition\": \"wide shot centered at eye level, capturing the full view of the factory floor and the assembling motorbike\",\n \"lens\": \"35mm\",\n \"frame_rate\": \"24fps\",\n \"camera_movement\": \"static\"\n },\n\n \"subject\": {\n \"description\": \"a futuristic, strong motorbike assembling itself from scattered parts\",\n \"wardrobe\": \"\",\n \"props\": \"mechanical parts, gears, wires, pistons, body panels, wheels\"\n },\n\n \"scene\": {\n \"location\": \"large, clear industrial factory floor\",\n \"time_of_day\": \"midday\",\n \"environment\": \"shiny, clean surfaces with strong light and dramatic shadows; the atmosphere is warm and filled with subtle ambient haze\"\n },\n\n \"visual_details\": {\n \"action\": \"motorbike parts fly in from all directions, clicking and locking into place to form a complete, sleek vehicle\",\n \"special_effects\": \"electric zaps, soft glows, heat distortion waves rising from the exhaust\",\n \"hair_clothing_motion\": \"\"\n },\n\n \"cinematography\": {\n \"lighting\": \"bright overhead industrial lighting with sharp contrast, emphasizing form and texture\",\n \"color_palette\": \"warm tones with metallic highlights and soft amber reflections\",\n \"tone\": \"epic and intense, emphasizing mechanical precision and power\"\n },\n\n \"audio\": {\n \"music\": \"minimalist, deep synthetic pulses that build with the assembly\",\n \"ambient\": \"deep factory hum, subtle air movements\",\n \"sound_effects\": \"clicks, whirs, zaps, shinks, thuds, whooshes, crackles, hiss, rumble\",\n \"mix_level\": \"cinematic mix with prioritized effects and balanced music bed\"\n },\n\n \"dialogue\": {\n \"character\": \"\",\n \"line\": \"\",\n \"subtitles\": false\n }\n}",
"duration": "4s",
"resolution": "720p",
"generate_audio": False,
}
# Run the model; wait up to 20 s for the finished result in the same call
r = requests.post(API + "/run/veo3.1", params={"wait": 20}, json=payload, headers=headers)
request = r.json()
if not r.ok:
raise RuntimeError(request["error"]["code"] + ": " + request["error"]["message"])
# Not finished yet: long-poll until it is
while request["status"] in ("queued", "running"):
request = requests.get(API + "/requests/" + request["id"], params={"wait": 20}, headers=headers).json()
if request["status"] != "succeeded":
raise RuntimeError(request["error"])
print([o["url"] for o in request["outputs"]], request["cost"]["credits"], "API credits", "$" + request["cost"]["usd"])
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "run",
"arguments": {
"model_id": "veo3.1",
"input": {
"prompt": "{\n \"shot\": {\n \"composition\": \"wide shot centered at eye level, capturing the full view of the factory floor and the assembling motorbike\",\n \"lens\": \"35mm\",\n \"frame_rate\": \"24fps\",\n \"camera_movement\": \"static\"\n },\n\n \"subject\": {\n \"description\": \"a futuristic, strong motorbike assembling itself from scattered parts\",\n \"wardrobe\": \"\",\n \"props\": \"mechanical parts, gears, wires, pistons, body panels, wheels\"\n },\n\n \"scene\": {\n \"location\": \"large, clear industrial factory floor\",\n \"time_of_day\": \"midday\",\n \"environment\": \"shiny, clean surfaces with strong light and dramatic shadows; the atmosphere is warm and filled with subtle ambient haze\"\n },\n\n \"visual_details\": {\n \"action\": \"motorbike parts fly in from all directions, clicking and locking into place to form a complete, sleek vehicle\",\n \"special_effects\": \"electric zaps, soft glows, heat distortion waves rising from the exhaust\",\n \"hair_clothing_motion\": \"\"\n },\n\n \"cinematography\": {\n \"lighting\": \"bright overhead industrial lighting with sharp contrast, emphasizing form and texture\",\n \"color_palette\": \"warm tones with metallic highlights and soft amber reflections\",\n \"tone\": \"epic and intense, emphasizing mechanical precision and power\"\n },\n\n \"audio\": {\n \"music\": \"minimalist, deep synthetic pulses that build with the assembly\",\n \"ambient\": \"deep factory hum, subtle air movements\",\n \"sound_effects\": \"clicks, whirs, zaps, shinks, thuds, whooshes, crackles, hiss, rumble\",\n \"mix_level\": \"cinematic mix with prioritized effects and balanced music bed\"\n },\n\n \"dialogue\": {\n \"character\": \"\",\n \"line\": \"\",\n \"subtitles\": false\n }\n}",
"duration": "4s",
"resolution": "720p",
"generate_audio": false
},
"wait_seconds": 20
}
}
}
Run this request
Your key stays in this browser: it is sent only to the Doitong API and saved (localStorage) only if you tick Remember. Get an API key
About Veo 3.1
Veo 3.1 produces highly realistic footage with lip-synced dialogue, ambient sound and music generated in the same pass, and follows camera and lighting directions closely. Clips are 4, 6 or 8 seconds, landscape or portrait, at 720p, 1080p or 4K. Audio can be switched off for a lower price.
Parameters
promptrequired
aspect_ratiooptional
durationoptional
negative_promptoptional
resolutionoptional
generate_audiooptional
seedoptional
auto_fixoptional
safety_toleranceoptional
Output
{
"id": "req_8k2m4q7x1z9c3v5b6n0p2r4t",
"object": "request",
"model": "veo3.1",
"status": "succeeded",
"created_at": "2026-10-20T12:00:00Z",
"started_at": "2026-10-20T12:00:02Z",
"completed_at": "2026-10-20T12:00:09Z",
"queue_position": null,
"cost": {
"credits": 800,
"usd": "0.80",
"charged": 800,
"refunded": 0
},
"input": {
"prompt": "A street interviewer in New York asks a passer-by \"Did you hear the news?\" and she laughs \"Everyone has!\"",
"duration": 8,
"resolution": "720p"
},
"output": {
"video": {
"url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.mp4",
"content_type": "video/mp4",
"file_name": "0-output.mp4",
"file_size": 1843200
}
},
"outputs": [
{
"type": "video",
"url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.mp4",
"content_type": "video/mp4",
"file_size": 1843200,
"width": 1280,
"height": 720,
"duration": 5,
"stored": true
}
],
"error": null,
"metrics": {
"inference_seconds": 6.8
},
"urls": {
"self": "https://vit.doitong.com/api/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t",
"cancel": "https://vit.doitong.com/api/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t/cancel"
}
}
Fields of output
- video
- object {url, content_type, file_name, file_size}Video produced by the model.
Other Veo 3.1 variants
More models: Text to Video
For AI agents: this page as Markdown is at https://doitong.com/en-US/developers/models/veo3.1.md. All models and guides: https://doitong.com/developers/llms.txt