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POST
cURL
This is the HappyHorse Video API reference-to-video interface, generating videos based on multiple reference images.

Authorizations

TT-API-KEY
string
header
required

Please go to TTAPI Console to get the API key.

Body

application/json
model
enum<string>
default:happyhorse-1.0-r2v
required

Model name. Supports happyhorse-1.0-r2v and happyhorse-1.1-r2v.

Available options:
happyhorse-1.0-r2v,
happyhorse-1.1-r2v
Example:

"happyhorse-1.0-r2v"

input
object
required

Basic input information, including reference images and prompt.

parameters
object

Video generation parameters, such as setting video resolution, aspect ratio, duration, etc.

Response

200 - application/json

Success Response

output
object
required

Task output information

request_id
string
required

Request unique identifier. Can be used for request tracing and troubleshooting.

Example:

"4909100c-7b5a-9f92-bfe5-xxxxxx"

Last modified on April 30, 2026