flux-3-video/image-to-video

POST

/openapi/v2/rhart-video-flux3/image-to-video

flux-3-video/image-to-video, Pin stills—your frames drive the film

Request

Authorization

Header Params

Body Params application/jsonRequired

Example

{
    "prompt": "Start from a single keyframe: rainy-night Japanese ramen shop, ginger tabby on a red stool facing steaming ramen; rain on the window, warm lanterns, rising steam, slight lateral move; high-end anime look; keep layout consistent.",
    "keyframes": [
        "https://rh-images-switch-1252422369.cos.ap-guangzhou.myqcloud.com/input/openapi/flux3-ref/flux3-i2v-02/0dcb3b252601_first.jpg?q-sign-algorithm=sha1&q-ak=AKIDv56FISEJUsKsMeELk0gmbNCGKTYSaZ3N&q-sign-time=1786088547%3B1788680607&q-key-time=1786088547%3B1788680607&q-header-list=host&q-url-param-list=&q-signature=9f4cc449b8dbf090a9360290f484f269cd1f656a"
    ],
    "aspectRatio": "auto",
    "duration": 5,
    "resolution": "hd",
    "draft": false,
    "generateAudio": true,
    "safetyTolerance": 2
}

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location 'https://www.runninghub.ai/openapi/v2/rhart-video-flux3/image-to-video' \
--header 'Authorization: Bearer [Your API KEY]' \
--header 'Authorization: Bearer [Your API KEY]' \
--header 'Content-Type: application/json' \
--data '{
    "prompt": "Start from a single keyframe: rainy-night Japanese ramen shop, ginger tabby on a red stool facing steaming ramen; rain on the window, warm lanterns, rising steam, slight lateral move; high-end anime look; keep layout consistent.",
    "keyframes": [
        "https://rh-images-switch-1252422369.cos.ap-guangzhou.myqcloud.com/input/openapi/flux3-ref/flux3-i2v-02/0dcb3b252601_first.jpg?q-sign-algorithm=sha1&q-ak=AKIDv56FISEJUsKsMeELk0gmbNCGKTYSaZ3N&q-sign-time=1786088547%3B1788680607&q-key-time=1786088547%3B1788680607&q-header-list=host&q-url-param-list=&q-signature=9f4cc449b8dbf090a9360290f484f269cd1f656a"
    ],
    "aspectRatio": "auto",
    "duration": 5,
    "resolution": "hd",
    "draft": false,
    "generateAudio": true,
    "safetyTolerance": 2
}'

Responses

🟢200成功

application/json

Task result query endpoint: /openapi/v2/query

Bodyapplication/json

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 2026-08-07 12:00:15

MiniMax-H3 Image-to-Video (first/last frame)

MiniMax H3 fl2va RH插件流支持文生、图生、首尾帧