google/veo3.1-pro/start-end-to-video-channel-low-price

POST

/openapi/v2/rhart-video-v3.1-pro/start-end-to-video

It represents the next evolution in cinematic video synthesis from DeepMind. It transforms still images or start-and-end frame pairs into high-fidelity 1080p motion sequences with stunning temporal continuity. Standing out with its native audio generation, the model automatically crafts synchronized soundscapes that breathe life into the visuals. Whether executing complex camera dollies or seamless scene morphing, Veo 3.1 delivers professional-grade consistency and narrative depth for storyboarding and creative production. Channel-low-price: priced significantly lower than the Official Stable Edition, but stability is not guaranteed.

Request

Authorization

Header Params

Body Params application/jsonRequired

Example

{
    "prompt": "Frame interpolation test. Start frame: A musician setting up a violin on a rainy street. End frame: The musician eyes closed, deeply immersed in playing, with neon background lights blurred into streaks. Task: Generate a fluid motion of raising the bow and starting to play. Include splashing raindrops and a slow cinematic dolly-in. Crucially, synthesize a melancholic violin melody with ambient rain sounds, perfectly synchronized with the bowing motion.",
    "firstFrameUrl": "https://www.runninghub.cn/view?filename=f837d6dcd3f2642619b5f1b58f117f6ffa7905bbcff65f32dd345c30243e5f99.jpg&type=input&subfolder=&Rh-Comfy-Auth=eyJ1c2VySWQiOiIzZjY1MTNlNWEwNjY1N2I4OGYyNjU5NTEzYmU3ZDM0YyIsInNpZ25FeHBpcmUiOjE3NzA3Mjg4MzI2NjgsInRzIjoxNzcwMTI0MDMyNjY4LCJzaWduIjoiZDlkYWI4MTJlNDk0ZGI1OTliNWE4ODM3YTIxMTc5ZTkifQ==&Rh-Identify=3f6513e5a06657b88f2659513be7d34c&rand=0.6974298097550059",
    "lastFrameUrl": "https://www.runninghub.cn/view?filename=5f1236bdc2273a6fd9bd14e58274670de20a8845274d835a4a7437938fcecb8c.jpg&type=input&subfolder=&Rh-Comfy-Auth=eyJ1c2VySWQiOiIzZjY1MTNlNWEwNjY1N2I4OGYyNjU5NTEzYmU3ZDM0YyIsInNpZ25FeHBpcmUiOjE3NzA3Mjg4MzI2NjgsInRzIjoxNzcwMTI0MDMyNjY4LCJzaWduIjoiZDlkYWI4MTJlNDk0ZGI1OTliNWE4ODM3YTIxMTc5ZTkifQ==&Rh-Identify=3f6513e5a06657b88f2659513be7d34c&rand=0.6356667175788443",
    "aspectRatio": "9:16",
    "duration": "8",
    "resolution": "720p"
}

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location --request POST 'https://www.runninghub.ai/openapi/v2/rhart-video-v3.1-pro/start-end-to-video' \
--header 'Authorization: Bearer [Your API KEY]' \
--header 'Authorization: Bearer [Your API KEY]' \
--header 'Content-Type: application/json' \
--data-raw '{
    "prompt": "Frame interpolation test. Start frame: A musician setting up a violin on a rainy street. End frame: The musician eyes closed, deeply immersed in playing, with neon background lights blurred into streaks. Task: Generate a fluid motion of raising the bow and starting to play. Include splashing raindrops and a slow cinematic dolly-in. Crucially, synthesize a melancholic violin melody with ambient rain sounds, perfectly synchronized with the bowing motion.",
    "firstFrameUrl": "https://www.runninghub.cn/view?filename=f837d6dcd3f2642619b5f1b58f117f6ffa7905bbcff65f32dd345c30243e5f99.jpg&type=input&subfolder=&Rh-Comfy-Auth=eyJ1c2VySWQiOiIzZjY1MTNlNWEwNjY1N2I4OGYyNjU5NTEzYmU3ZDM0YyIsInNpZ25FeHBpcmUiOjE3NzA3Mjg4MzI2NjgsInRzIjoxNzcwMTI0MDMyNjY4LCJzaWduIjoiZDlkYWI4MTJlNDk0ZGI1OTliNWE4ODM3YTIxMTc5ZTkifQ==&Rh-Identify=3f6513e5a06657b88f2659513be7d34c&rand=0.6974298097550059",
    "lastFrameUrl": "https://www.runninghub.cn/view?filename=5f1236bdc2273a6fd9bd14e58274670de20a8845274d835a4a7437938fcecb8c.jpg&type=input&subfolder=&Rh-Comfy-Auth=eyJ1c2VySWQiOiIzZjY1MTNlNWEwNjY1N2I4OGYyNjU5NTEzYmU3ZDM0YyIsInNpZ25FeHBpcmUiOjE3NzA3Mjg4MzI2NjgsInRzIjoxNzcwMTI0MDMyNjY4LCJzaWduIjoiZDlkYWI4MTJlNDk0ZGI1OTliNWE4ODM3YTIxMTc5ZTkifQ==&Rh-Identify=3f6513e5a06657b88f2659513be7d34c&rand=0.6356667175788443",
    "aspectRatio": "9:16",
    "duration": "8",
    "resolution": "720p"
}'

Responses

🟢200成功

application/json

Task result query endpoint: /openapi/v2/query

Body

Examples

Submit response exampleTask success response example

{
    "taskId": "2013508786110730241",
    "status": "RUNNING",
    "errorCode": "",
    "errorMessage": "",
    "results": null,
    "clientId": "f828b9af25161bc066ef152db7b29ccc",
    "promptTips": "{\"result\": true, \"error\": null, \"outputs_to_execute\": [\"4\"], \"node_errors\": {}}"
}

Modified at 2026-03-28 04:00:04

xai/grok-imagine/image-to-video-official-stable

google/veo3.1-fast/image-to-video-channel-low-price