Generate Video

POST

https://api.piapi.ai/api/v1/task

Video Generation

Hunyuan Video Generation API Documentation

Overview

PiAPI's Hunyuan Video Generation service provides text-to-video capabilities with two different models optimized for different use cases. The service supports both standard and fast video generation options, each with specific characteristics and pricing. Hunyuan Video Model Can Do NSFW

Pricing

Model	Resolution	FPS	Steps	Price (USD)
txt2video	480x848/640x640	85	20	$0.09
fast-txt2video	480x848/640x640	85	6	$0.03
img2video-concat	544x960/720x720	85	20	$0.09
img2video-replace	544x960/720x720	85	20	$0.09
txt2video-lora	480x848/640x640	85	20	$0.09

Model Information

Standard Text-to-Video (txt2video)

Model Name: Qubico/hunyuan

Task Type: txt2video

Quality Focus: Higher quality with more processing steps (20 steps)

Best For: Projects requiring higher quality output

Fast Text-to-Video (fastvideo-txt2video)

Model Name: Qubico/hunyuan

Task Type: fast-txt2video

Speed Focus: Faster generation with fewer steps (6 steps)

Best For: Quick iterations and preview purposes

Hunyuan-img2video-concat

Model Name: Qubico/hunyuan

Task Type: img2video-concat

Speed Focus: Faster generation with more processing steps (20 steps)

Best For: Generate videos based on images for better movement.

Hunyuan-img2video-replace

Model Name: Qubico/hunyuan

Task Type: img2video-replace

Speed Focus: Faster generation with more processing steps (20 steps)

Best For: Generate videos following the guilding image better.

Hunyuan-txt2video-lora

Model Name: Qubico/hunyuan

Task Type: txt2video-lora

Speed Focus: Faster generation with more processing steps (20 steps)

Best For: Generate videos based on LoRA.

Request

Header Params

x-api-key

string

optional

your api key

Body Params application/json

model

string

required

task_type

string

required

input

object

required

prompt

string

required

Video generation prompt text

aspect_ratio

string

required

Default: 16:9, options: 16:9/9:16/1:1

image

string

required

Image url. Must be needed when you choose img2video tasks.

lora_settings

array [object {2}]

optional

config

object

optional

webhook_config

object

optional

Example

{
  "model": "Qubico/hunyuan",
  "task_type": "txt2video",
  "input": {
    "prompt": "A cat walks on the grass, realistic style."
  },
  "config": {
    "webhook_config": {
      "endpoint": "",
      "secret": ""
    }
  }
}

Request samples

Shell

JavaScript

Java

Swift

Go

PHP

Python

HTTP

C

C#

Objective-C

Ruby

OCaml

Dart

R

curl --location --request POST 'https://api.piapi.ai/api/v1/task' \
--header 'x-api-key;' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "Qubico/hunyuan",
    "task_type": "txt2video",
    "input": {
        "prompt": "A cat walks on the grass, realistic style."
    },
    "config": {
        "webhook_config": {
            "endpoint": "",
            "secret": ""
        }
    }
}'

Responses

🟢200OK

application/json

Successful response

Body

code

enum<integer>

required

Response status code

Allowed value:

200

message

string

required

Response message

data

object

required

task_id

string <uuid>

required

Unique task identifier

status

string

required

Current status of the task

output

object

optional

Example

{
  "code": 200,
  "message": "string",
  "data": {
    "task_id": "736fde4d-9029-4915-8189-01353d6982cb",
    "status": "string",
    "output": {
      "video_url": "http://example.com"
    }
  }
}

Modified at 2025-04-08 11:50:09