Veo 3.1 Fast Image to Video

# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://api.doitong.com/v1/run/veo3.1/fast/image-to-video?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,
    "image": "https://content.doitong.com/dev-api/2026/10/21/req_yg4iszi3085vhtnni2w1pfm2/0-U0GKmQ8vaXNu2J2S7PyWQ_D7e1WHp8.png"
  }'

# Still "queued" or "running"? Poll with the id from the response:
curl "https://api.doitong.com/v1/requests/REQUEST_ID?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY"

const API = "https://api.doitong.com/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/fast/image-to-video?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,
    "image": "https://content.doitong.com/dev-api/2026/10/21/req_yg4iszi3085vhtnni2w1pfm2/0-U0GKmQ8vaXNu2J2S7PyWQ_D7e1WHp8.png"
  }),
});
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://api.doitong.com/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,
    "image": "https://content.doitong.com/dev-api/2026/10/21/req_yg4iszi3085vhtnni2w1pfm2/0-U0GKmQ8vaXNu2J2S7PyWQ_D7e1WHp8.png",
}

# Run the model; wait up to 20 s for the finished result in the same call
r = requests.post(API + "/run/veo3.1/fast/image-to-video", 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/developers/docs/mcp)
claude mcp add --transport http doitong-models https://api.doitong.com/v1/mcp \
  --header "Authorization: Bearer $DOITONG_API_KEY"

# 2. Your agent calls the "run" tool with:
{
  "model_id": "veo3.1/fast/image-to-video",
  "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,
    "image": "https://content.doitong.com/dev-api/2026/10/21/req_yg4iszi3085vhtnni2w1pfm2/0-U0GKmQ8vaXNu2J2S7PyWQ_D7e1WHp8.png"
  }
}

Call the Veo 3.1 Fast Image to Video model (veo3.1/fast/image-to-video) through the Doitong API. Docs for agents: https://doitong.com/developers/models/veo3.1/fast/image-to-video.md

POST https://api.doitong.com/v1/run/veo3.1/fast/image-to-video?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,
  "image": "https://content.doitong.com/dev-api/2026/10/21/req_yg4iszi3085vhtnni2w1pfm2/0-U0GKmQ8vaXNu2J2S7PyWQ_D7e1WHp8.png"
}

If the response status is "queued" or "running", poll GET https://api.doitong.com/v1/requests/REQUEST_ID?wait=20 until it is "succeeded"; the files are in outputs[].url. POST https://api.doitong.com/v1/quote/veo3.1/fast/image-to-video with the same body returns the exact price before the run.