AI Video/List AI video models

List AI video models

GET/api/v1/ai_video/models

List available AI video models with the allowed values and defaults for every parameter, plus media constraints for first_frame and multimodal refs. Pricing is not included — use GET /api/v1/ai_video/cost for authoritative cost estimation.

Beta: available to any account with an active paid subscription; standard per-key rate limits apply.

Headers

X-API-KeystringRequired

Your VisionStory API key (sk-vs-...), kept server-side. Create one at OpenApi (Pro plan and up).

Response

200Successful Response

Successful calls return a standard envelope: the endpoint payload under data (its fields are documented below), plus a message string ("success") and an ISO 8601 server_time.

Response fields (data)

modelsarray of AiVideoModelDtoRequired

Machine-readable model capabilities: allowed values and defaults per parameter, plus media constraints. Pricing is not included (use GET /api/v1/ai_video/cost).

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model_idstringRequired

Public model ID to send in AI video requests.

descriptionstringRequired

Public model summary.

capabilitiesarray of stringRequired

Supported generation modes, such as text_to_video and image_to_video.

paramsAiVideoModelParamsRequired

Model-specific allowed values, defaults, and media limits; pricing is queried separately.

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promptPromptCapabilityRequired

Prompt length and reference-syntax support.

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max_lengthinteger | nullRequired

Maximum prompt characters; null when unspecified.

supports_ref_syntaxboolean | nullOptional

Present when in-prompt reference syntax is supported.

duration_secDurationChoicesRequired

Allowed clip durations and default.

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valuesarray of integerRequired

Accepted integer clip durations in seconds.

defaultinteger | nullRequired

Clip duration used when omitted.

aspect_ratioStringChoicesRequired

Allowed aspect ratios and default; input-mode restrictions still apply.

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valuesarray of stringRequired

Currently accepted values for this model.

defaultstring | nullRequired

Value used when the request omits this parameter.

resolutionStringChoicesRequired

Allowed resolutions and default for this model.

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valuesarray of stringRequired

Currently accepted values for this model.

defaultstring | nullRequired

Value used when the request omits this parameter.

generate_audioAudioCapabilityRequired

Native-audio default; reference combinations may restrict it.

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defaultbooleanRequired

Whether native audio is generated when omitted; does not change price.

refsVideoReferencesRequired

Reference media types, counts, and constraints.

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maxintegerRequired

Maximum references across all media kinds; zero means unsupported.

acceptarray of stringRequired

Accepted media kinds: image, video, or audio.

imageMediaConstraintsRequired

Image-reference constraints; use only if image is accepted.

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max_mbinteger | nullOptional

Maximum media file size in MiB, including gateway limits.

dimension_pxarray of any | nullOptional

Minimum and maximum pixel length per side.

aspect_ratio_rangearray of any | nullOptional

Minimum and maximum width/height ratio.

duration_sec_rangearray of any | nullOptional

Minimum and maximum single-reference duration in seconds.

fps_rangearray of any | nullOptional

Minimum and maximum frame rate; a null upper bound means no upper limit.

formatsarray of string | nullOptional

Accepted file extensions for this media slot.

videoMediaConstraintsRequired

Video-reference constraints; use only if video is accepted.

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max_mbinteger | nullOptional

Maximum media file size in MiB, including gateway limits.

dimension_pxarray of any | nullOptional

Minimum and maximum pixel length per side.

aspect_ratio_rangearray of any | nullOptional

Minimum and maximum width/height ratio.

duration_sec_rangearray of any | nullOptional

Minimum and maximum single-reference duration in seconds.

fps_rangearray of any | nullOptional

Minimum and maximum frame rate; a null upper bound means no upper limit.

formatsarray of string | nullOptional

Accepted file extensions for this media slot.

audioMediaConstraintsRequired

Audio-reference constraints; use only if audio is accepted.

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max_mbinteger | nullOptional

Maximum media file size in MiB, including gateway limits.

dimension_pxarray of any | nullOptional

Minimum and maximum pixel length per side.

aspect_ratio_rangearray of any | nullOptional

Minimum and maximum width/height ratio.

duration_sec_rangearray of any | nullOptional

Minimum and maximum single-reference duration in seconds.

fps_rangearray of any | nullOptional

Minimum and maximum frame rate; a null upper bound means no upper limit.

formatsarray of string | nullOptional

Accepted file extensions for this media slot.

max_per_kindReferenceKindLimits | nullOptional

Optional per-kind count limits, in addition to max.

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imageinteger | nullOptional

Maximum number of image references when specified.

videointeger | nullOptional

Maximum number of video references when specified.

audiointeger | nullOptional

Maximum number of audio references when specified.

total_duration_sec_maxReferenceDurationLimits | nullOptional

Optional aggregate duration limits, by media kind.

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videonumber | integer | nullOptional

Maximum total video-reference duration in seconds.

audionumber | integer | nullOptional

Maximum total audio-reference duration in seconds.

first_frameMediaConstraints | nullRequired

First-frame image constraints; null when image-to-video is unsupported.

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max_mbinteger | nullOptional

Maximum media file size in MiB, including gateway limits.

dimension_pxarray of any | nullOptional

Minimum and maximum pixel length per side.

aspect_ratio_rangearray of any | nullOptional

Minimum and maximum width/height ratio.

duration_sec_rangearray of any | nullOptional

Minimum and maximum single-reference duration in seconds.

fps_rangearray of any | nullOptional

Minimum and maximum frame rate; a null upper bound means no upper limit.

formatsarray of string | nullOptional

Accepted file extensions for this media slot.

Errors

All error responses share one JSON envelope: an error object with a numeric code, a human-readable message, an optional details string, and an optional hint giving an actionable next step (handy for AI agents).

errorErrorDetailRequired

Error payload returned with every non-2xx response. Present only on failure; successful calls use the standard success envelope instead.

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codeintegerRequired

Machine-readable error code. Mirrors the HTTP status for transport-level failures (e.g. 401, 404, 422, 500) and may carry a business-specific code otherwise.

messagestringRequired

Human-readable explanation of what went wrong. Safe to log or surface to end users; not localized.

detailsstring | nullOptional

Optional structured detail about the failure, e.g. a JSON string of per-field validation errors on a 422. Absent when there is nothing extra to report.

hintstring | nullOptional

Actionable next step for resolving the error, written for both humans and AI agents (e.g. how to fix the request, or where to obtain an API key). May be absent.

Request

curl -X GET 'https://openapi.visionstory.ai/api/v1/ai_video/models' \
  -H 'X-API-Key: sk-vs-xxxxxxxxxxxxxxxxxxx'

import requests

url = "https://openapi.visionstory.ai/api/v1/ai_video/models"
headers = {
    "X-API-Key": "sk-vs-xxxxxxxxxxxxxxxxxxx",
}
response = requests.get(url, headers=headers)
print(response.json())

const response = await fetch("https://openapi.visionstory.ai/api/v1/ai_video/models", {
  method: "GET",
  headers: {
    "X-API-Key": "sk-vs-xxxxxxxxxxxxxxxxxxx",
  },
});
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	req, _ := http.NewRequest("GET", "https://openapi.visionstory.ai/api/v1/ai_video/models", nil)
	req.Header.Set("X-API-Key", "sk-vs-xxxxxxxxxxxxxxxxxxx")
	resp, _ := http.DefaultClient.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

HttpClient client = HttpClient.newHttpClient();
HttpRequest request = HttpRequest.newBuilder()
    .uri(URI.create("https://openapi.visionstory.ai/api/v1/ai_video/models"))
    .header("X-API-Key", "sk-vs-xxxxxxxxxxxxxxxxxxx")
    .method("GET", HttpRequest.BodyPublishers.noBody())
    .build();
HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
System.out.println(response.body());

<?php
$ch = curl_init("https://openapi.visionstory.ai/api/v1/ai_video/models");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "GET");
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    "X-API-Key: sk-vs-xxxxxxxxxxxxxxxxxxx",
]);
$response = curl_exec($ch);
curl_close($ch);
echo $response;

require "net/http"
require "uri"

uri = URI("https://openapi.visionstory.ai/api/v1/ai_video/models")
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true
request = Net::HTTP::Get.new(uri)
request["X-API-Key"] = "sk-vs-xxxxxxxxxxxxxxxxxxx"
response = http.request(request)
puts response.body

import Foundation

var request = URLRequest(url: URL(string: "https://openapi.visionstory.ai/api/v1/ai_video/models")!)
request.httpMethod = "GET"
request.setValue("sk-vs-xxxxxxxxxxxxxxxxxxx", forHTTPHeaderField: "X-API-Key")
let (data, _) = try await URLSession.shared.data(for: request)
print(String(data: data, encoding: .utf8) ?? "")

using System;
using System.Net.Http;
using System.Text;

var client = new HttpClient();
var request = new HttpRequestMessage(HttpMethod.Get, "https://openapi.visionstory.ai/api/v1/ai_video/models");
request.Headers.Add("X-API-Key", "sk-vs-xxxxxxxxxxxxxxxxxxx");
var response = await client.SendAsync(request);
Console.WriteLine(await response.Content.ReadAsStringAsync());

Response

200

{
  "data": {
    "models": [
      {
        "model_id": "seedance-2.5",
        "description": "Seedance 2.5 latest: single clips up to 30s, multimodal references; 480p / 720p / 1080p, defaults to 720p.",
        "capabilities": [
          "text_to_video",
          "image_to_video"
        ],
        "params": {
          "prompt": {
            "max_length": 5000
          },
          "duration_sec": {
            "values": [
              4,
              5,
              6,
              7,
              8,
              9,
              10,
              11,
              12,
              13,
              14,
              15,
              16,
              17,
              18,
              19,
              20,
              21,
              22,
              23,
              24,
              25,
              26,
              27,
              28,
              29,
              30
            ],
            "default": 15
          },
          "aspect_ratio": {
            "values": [
              "16:9",
              "9:16",
              "4:3",
              "3:4",
              "1:1"
            ],
            "default": "9:16"
          },
          "resolution": {
            "values": [
              "480p",
              "720p",
              "1080p"
            ],
            "default": "720p"
          },
          "generate_audio": {
            "default": true
          },
          "refs": {
            "max": 9,
            "accept": [
              "image",
              "video",
              "audio"
            ],
            "image": {
              "max_mb": 30,
              "dimension_px": [
                300,
                6000
              ],
              "aspect_ratio_range": [
                0.4,
                2.5
              ],
              "formats": [
                "jpg",
                "jpeg",
                "png",
                "webp",
                "bmp",
                "tiff",
                "gif"
              ]
            },
            "video": {
              "max_mb": 100,
              "dimension_px": [
                300,
                6000
              ],
              "aspect_ratio_range": [
                0.4,
                2.5
              ],
              "duration_sec_range": [
                2,
                15
              ],
              "fps_range": [
                24.0,
                60.0
              ],
              "formats": [
                "mp4",
                "mov"
              ]
            },
            "audio": {
              "max_mb": 15,
              "duration_sec_range": [
                2,
                15
              ],
              "formats": [
                "wav",
                "mp3"
              ]
            }
          },
          "first_frame": {
            "max_mb": 30,
            "dimension_px": [
              300,
              6000
            ],
            "aspect_ratio_range": [
              0.4,
              2.5
            ],
            "formats": [
              "jpg",
              "jpeg",
              "png",
              "webp",
              "bmp",
              "tiff",
              "gif"
            ]
          }
        }
      },
      {
        "model_id": "seedance-2.0",
        "description": "Seedance 2.0 flagship: multimodal references (image/video/audio); 480p / 720p / 1080p, defaults to 720p.",
        "capabilities": [
          "text_to_video",
          "image_to_video"
        ],
        "params": {
          "prompt": {
            "max_length": 5000
          },
          "duration_sec": {
            "values": [
              4,
              5,
              6,
              7,
              8,
              9,
              10,
              11,
              12,
              13,
              14,
              15
            ],
            "default": 5
          },
          "aspect_ratio": {
            "values": [
              "16:9",
              "9:16",
              "4:3",
              "3:4",
              "1:1"
            ],
            "default": "9:16"
          },
          "resolution": {
            "values": [
              "480p",
              "720p",
              "1080p"
            ],
            "default": "720p"
          },
          "generate_audio": {
            "default": true
          },
          "refs": {
            "max": 9,
            "accept": [
              "image",
              "video",
              "audio"
            ],
            "image": {
              "max_mb": 30,
              "dimension_px": [
                300,
                6000
              ],
              "aspect_ratio_range": [
                0.4,
                2.5
              ],
              "formats": [
                "jpg",
                "jpeg",
                "png",
                "webp",
                "bmp",
                "tiff",
                "gif"
              ]
            },
            "video": {
              "max_mb": 100,
              "dimension_px": [
                300,
                6000
              ],
              "aspect_ratio_range": [
                0.4,
                2.5
              ],
              "duration_sec_range": [
                2,
                15
              ],
              "fps_range": [
                24.0,
                60.0
              ],
              "formats": [
                "mp4",
                "mov"
              ]
            },
            "audio": {
              "max_mb": 15,
              "duration_sec_range": [
                2,
                15
              ],
              "formats": [
                "wav",
                "mp3"
              ]
            }
          },
          "first_frame": {
            "max_mb": 30,
            "dimension_px": [
              300,
              6000
            ],
            "aspect_ratio_range": [
              0.4,
              2.5
            ],
            "formats": [
              "jpg",
              "jpeg",
              "png",
              "webp",
              "bmp",
              "tiff",
              "gif"
            ]
          }
        }
      },
      {
        "model_id": "seedance-2.0-fast",
        "description": "Seedance 2.0 Fast: lower latency and cost; 480p / 720p, defaults to 720p.",
        "capabilities": [
          "text_to_video",
          "image_to_video"
        ],
        "params": {
          "prompt": {
            "max_length": 5000
          },
          "duration_sec": {
            "values": [
              4,
              5,
              6,
              7,
              8,
              9,
              10,
              11,
              12,
              13,
              14,
              15
            ],
            "default": 5
          },
          "aspect_ratio": {
            "values": [
              "16:9",
              "9:16",
              "4:3",
              "3:4",
              "1:1"
            ],
            "default": "9:16"
          },
          "resolution": {
            "values": [
              "480p",
              "720p"
            ],
            "default": "720p"
          },
          "generate_audio": {
            "default": true
          },
          "refs": {
            "max": 9,
            "accept": [
              "image",
              "video",
              "audio"
            ],
            "image": {
              "max_mb": 30,
              "dimension_px": [
                300,
                6000
              ],
              "aspect_ratio_range": [
                0.4,
                2.5
              ],
              "formats": [
                "jpg",
                "jpeg",
                "png",
                "webp",
                "bmp",
                "tiff",
                "gif"
              ]
            },
            "video": {
              "max_mb": 100,
              "dimension_px": [
                300,
                6000
              ],
              "aspect_ratio_range": [
                0.4,
                2.5
              ],
              "duration_sec_range": [
                2,
                15
              ],
              "fps_range": [
                24.0,
                60.0
              ],
              "formats": [
                "mp4",
                "mov"
              ]
            },
            "audio": {
              "max_mb": 15,
              "duration_sec_range": [
                2,
                15
              ],
              "formats": [
                "wav",
                "mp3"
              ]
            }
          },
          "first_frame": {
            "max_mb": 30,
            "dimension_px": [
              300,
              6000
            ],
            "aspect_ratio_range": [
              0.4,
              2.5
            ],
            "formats": [
              "jpg",
              "jpeg",
              "png",
              "webp",
              "bmp",
              "tiff",
              "gif"
            ]
          }
        }
      },
      {
        "model_id": "seedance-2.0-mini",
        "description": "Seedance 2.0 Mini: lightweight and economical; 480p / 720p, defaults to 720p.",
        "capabilities": [
          "text_to_video",
          "image_to_video"
        ],
        "params": {
          "prompt": {
            "max_length": 5000
          },
          "duration_sec": {
            "values": [
              4,
              5,
              6,
              7,
              8,
              9,
              10,
              11,
              12,
              13,
              14,
              15
            ],
            "default": 5
          },
          "aspect_ratio": {
            "values": [
              "16:9",
              "9:16",
              "4:3",
              "3:4",
              "1:1"
            ],
            "default": "16:9"
          },
          "resolution": {
            "values": [
              "480p",
              "720p"
            ],
            "default": "720p"
          },
          "generate_audio": {
            "default": true
          },
          "refs": {
            "max": 9,
            "accept": [
              "image",
              "video",
              "audio"
            ],
            "image": {
              "max_mb": 30,
              "dimension_px": [
                300,
                6000
              ],
              "aspect_ratio_range": [
                0.4,
                2.5
              ],
              "formats": [
                "jpg",
                "jpeg",
                "png",
                "webp",
                "bmp",
                "tiff",
                "gif"
              ]
            },
            "video": {
              "max_mb": 100,
              "dimension_px": [
                300,
                6000
              ],
              "aspect_ratio_range": [
                0.4,
                2.5
              ],
              "duration_sec_range": [
                2,
                15
              ],
              "fps_range": [
                24.0,
                60.0
              ],
              "formats": [
                "mp4",
                "mov"
              ]
            },
            "audio": {
              "max_mb": 15,
              "duration_sec_range": [
                2,
                15
              ],
              "formats": [
                "wav",
                "mp3"
              ]
            }
          },
          "first_frame": {
            "max_mb": 30,
            "dimension_px": [
              300,
              6000
            ],
            "aspect_ratio_range": [
              0.4,
              2.5
            ],
            "formats": [
              "jpg",
              "jpeg",
              "png",
              "webp",
              "bmp",
              "tiff",
              "gif"
            ]
          }
        }
      },
      {
        "model_id": "kling-3.0",
        "description": "Kling 3.0: text-to-video and image-to-video (first/last frame) up to 4K; 5s or 10s clips; native audio on by default.",
        "capabilities": [
          "text_to_video",
          "image_to_video"
        ],
        "params": {
          "prompt": {
            "max_length": 2500
          },
          "duration_sec": {
            "values": [
              5,
              10
            ],
            "default": 5
          },
          "aspect_ratio": {
            "values": [
              "16:9",
              "9:16",
              "1:1"
            ],
            "default": "16:9"
          },
          "resolution": {
            "values": [
              "720p",
              "1080p",
              "4k"
            ],
            "default": "720p"
          },
          "generate_audio": {
            "default": true
          },
          "refs": {
            "max": 0,
            "accept": [],
            "image": {
              "max_mb": 30
            },
            "video": {
              "max_mb": 100
            },
            "audio": {
              "max_mb": 15
            }
          },
          "first_frame": {
            "max_mb": 10,
            "dimension_px": [
              300,
              null
            ],
            "aspect_ratio_range": [
              0.4,
              2.5
            ]
          }
        }
      },
      {
        "model_id": "kling-3.0-omni",
        "description": "Kling 3.0 Omni: text-to-video guided by up to 7 image/video references with in-prompt reference syntax; 720p / 1080p; 3 / 5 / 7 / 10 / 15 s clips; native audio on by default.",
        "capabilities": [
          "text_to_video"
        ],
        "params": {
          "prompt": {
            "max_length": 2500,
            "supports_ref_syntax": true
          },
          "duration_sec": {
            "values": [
              3,
              5,
              7,
              10,
              15
            ],
            "default": 5
          },
          "aspect_ratio": {
            "values": [
              "16:9",
              "9:16",
              "1:1"
            ],
            "default": "16:9"
          },
          "resolution": {
            "values": [
              "720p",
              "1080p"
            ],
            "default": "1080p"
          },
          "generate_audio": {
            "default": true
          },
          "refs": {
            "max": 7,
            "accept": [
              "image",
              "video"
            ],
            "image": {
              "max_mb": 10,
              "dimension_px": [
                300,
                null
              ],
              "aspect_ratio_range": [
                0.4,
                2.5
              ]
            },
            "video": {
              "max_mb": 100,
              "dimension_px": [
                720,
                2160
              ],
              "aspect_ratio_range": [
                0.4,
                2.5
              ],
              "duration_sec_range": [
                3,
                15
              ]
            },
            "audio": {
              "max_mb": 15
            }
          },
          "first_frame": null
        }
      },
      {
        "model_id": "wan-3.0",
        "description": "Wan 3.0: all-in-one text-to-video and image-to-video (first/last frame); image, video and audio references with in-prompt reference syntax; 480p / 720p / 1080p; any length from 2 to 30s; native audio on by default. Defaults to 720p.",
        "capabilities": [
          "text_to_video",
          "image_to_video"
        ],
        "params": {
          "prompt": {
            "max_length": 20000,
            "supports_ref_syntax": true
          },
          "duration_sec": {
            "values": [
              2,
              3,
              4,
              5,
              6,
              7,
              8,
              9,
              10,
              11,
              12,
              13,
              14,
              15,
              16,
              17,
              18,
              19,
              20,
              21,
              22,
              23,
              24,
              25,
              26,
              27,
              28,
              29,
              30
            ],
            "default": 5
          },
          "aspect_ratio": {
            "values": [
              "adaptive",
              "16:9",
              "4:3",
              "1:1",
              "3:4",
              "9:16"
            ],
            "default": "adaptive"
          },
          "resolution": {
            "values": [
              "480p",
              "720p",
              "1080p"
            ],
            "default": "720p"
          },
          "generate_audio": {
            "default": true
          },
          "refs": {
            "max": 20,
            "accept": [
              "image",
              "video",
              "audio"
            ],
            "image": {
              "max_mb": 20,
              "dimension_px": [
                240,
                8000
              ],
              "aspect_ratio_range": [
                0.125,
                8.0
              ],
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  "server_time": "2026-09-04T00:00:00Z"
}