Google's latest advanced AI Text-to-Video model, Veo3.1 Fast mode. Features native text-to-video with synchronized audio & video generation, delivers high-quality videos with basic cinematic realism and smooth motion. Equipped with natural scene presentation and accurate audio-visual synchronization, outstanding quality at an ultra-low price, the best cost-effective choice for daily creative needs and casual video generation scenarios. 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":"On a spring afternoon, cherry blossoms flutter down a quiet country road. A girl rides an old bicycle past golden rice fields, her hair gently tousled by the breeze. Distant wind chimes tinkle softly—warm, soft visuals filled with peace and gentle hope.","aspectRatio":"9:16","duration":"8","resolution":"720p"}
Request Code Samples
Shell
JavaScript
Java
Swift
Go
PHP
Python
HTTP
C
C#
Objective-C
Ruby
OCaml
Dart
R
Request Request Example
Shell
JavaScript
Java
Swift
curl--location--request POST 'https://www.runninghub.ai/openapi/v2/rhart-video-v3.1-fast/text-to-video' \
--header'Authorization: Bearer [Your API KEY]' \
--header'Authorization: Bearer [Your API KEY]' \
--header'Content-Type: application/json' \
--data-raw'{
"prompt": "On a spring afternoon, cherry blossoms flutter down a quiet country road. A girl rides an old bicycle past golden rice fields, her hair gently tousled by the breeze. Distant wind chimes tinkle softly—warm, soft visuals filled with peace and gentle hope.",
"aspectRatio": "9:16",
"duration": "8",
"resolution": "720p"
}'