IMPORTANT ASYNCHRONOUS TASK WORKFLOW
- Call this MCP generation tool once and read taskId from structuredContent.
- Do not call generation again while pending or running.
- Query nexscope_media_task_result with this skill slug, the exact taskId, and the same bearer credential using progressive backoff.
Multimodal AI
Sales Talking Video API
Generate a talking sales video.
MCP tool name
nexscope_sales_talking_videoMCP endpoint
https://api.nexscope.ai/mcpJSON-RPC method
tools/callAuthentication
Use OAuth 2.1 Authorization Code with PKCE and the mcp:tools scope. API keys remain supported as a compatibility option.
Authorization: Bearer nk-xxxxxxxxxxxxxxxxxIf authentication fails, ask the user to open API Access and copy a valid key.
Call this MCP tool
Initialize an MCP 2025-11-25 Streamable HTTP session at https://api.nexscope.ai/mcp, then use tools/call.
{
"jsonrpc": "2.0",
"id": "sales-talking-video-1",
"method": "tools/call",
"params": {
"name": "nexscope_sales_talking_video",
"arguments": {
"aspectRatio": "9:16",
"imageList": [
"https://example.com/product.jpg"
],
"isPro": false,
"prompt": "Introduce this shockproof phone case in an upbeat tone.",
"resolution": "720p",
"videoTime": 10,
"videoType": "seedance-2-0-fast"
}
}
}MCP 2025-11-25 · Streamable HTTPProgress is delivered on the original POST SSE response. GET SSE carries notifications; reconnecting must query existing asynchronous work rather than submit again.
Asynchronous task workflow
- 1. Create once
Keep the returned taskId.
- 2. Query with backoff
Use nexscope_media_task_result after 5 seconds, then 10, 20, and 30 seconds.
- 3. Use final result
Stop at success, failure, or timeout.
{
"jsonrpc": "2.0",
"id": "sales-talking-video-result-1",
"method": "tools/call",
"params": {
"name": "nexscope_media_task_result",
"arguments": {
"skillSlug": "sales-talking-video",
"taskId": "TASK_ID_FROM_THE_GENERATION_RESULT"
}
}
}Arguments
| Name | Type | Required | Description |
|---|---|---|---|
prompt | string | required | Sales script or creative prompt. Example: Introduce this shockproof phone case in an upbeat tone. |
imageList | array | required | Public product image URLs. Provide up to 30 images for Seedance 2.5 or up to 9 images for the other supported models. Example: [
"https://example.com/product.jpg"
] |
videoType | string | required | Video model. Available options
Example: seedance-2-0-fast |
videoTime | integer | optional | Target duration in seconds. Seedance 2.0, Fast, Mini, and HappyHorse V2 support 5, 10, or 15; Seedance 2.5 also supports 30. Example: 10 |
aspectRatio | string | optional | Target aspect ratio: 16:9, 9:16, 1:1, 4:3, 3:4, or 21:9. Example: 9:16 |
isPro | boolean | optional | Enable Pro mode for any Seedance model. HappyHorse V2 does not support Pro mode. When enabled without resolution, the default is 720p. Example: false |
resolution | string | optional | Target resolution. Seedance 2.0 and 2.5 support 480p, 720p, or 1080p; Seedance Fast and Mini support 480p or 720p; HappyHorse V2 supports 720p or 1080p. Example: 720p |
Response fields
Treat structuredContent as the programmatic API response payload.
| Name | Type | Required | Description |
|---|---|---|---|
code | integer | required | 0 means accepted or successful; nonzero is a platform error. |
cost | string | required | Elapsed milliseconds, never credits; -1 outside web requests. |
data | any | required | Data value used by this API operation. |
msg | string | null | required | Msg value used by this API operation. |
time | string | required | Server local time: yyyy-MM-dd HH:mm:ss. |
traceId | string | null | required | Trace id value used by this API operation. |
ts | string | required | Epoch milliseconds. |
Any of option 1 — requires taskId, status, result
| Name | Type | Required | Description |
|---|---|---|---|
data | object | required | Data value used by this API operation. |
data.result | any | required | Completed generation output retained from the task result. Fields vary by capability; generated resources use Nexscope-hosted URLs and any count represents charged Nexscope credits. This is the business output, not a task creation receipt. |
data.status | string | required | Status value used by this API operation. Allowed: PENDING, RUNNING, SUCCEEDED, FAILED, TIMEOUT |
data.taskId | string | required | Task id value used by this API operation. |
Any of option 1
| Name | Type | Required | Description |
|---|---|---|---|
data.result | object | required | Completed generation output retained from the task result. Fields vary by capability; generated resources use Nexscope-hosted URLs and any count represents charged Nexscope credits. This is the business output, not a task creation receipt. |
Any of option 2
| Name | Type | Required | Description |
|---|---|---|---|
data.result | null | required | Completed generation output retained from the task result. Fields vary by capability; generated resources use Nexscope-hosted URLs and any count represents charged Nexscope credits. This is the business output, not a task creation receipt. |
Any of option 2
| Name | Type | Required | Description |
|---|---|---|---|
data | null | required | Data value used by this API operation. |
Examples
Example arguments
{
"aspectRatio": "9:16",
"imageList": [
"https://example.com/product.jpg"
],
"isPro": false,
"prompt": "Introduce this shockproof phone case in an upbeat tone.",
"resolution": "720p",
"videoTime": 10,
"videoType": "seedance-2-0-fast"
}Example structuredContent
{
"code": 0,
"cost": "-1",
"data": {
"result": null,
"status": "PENDING",
"taskId": "example-task"
},
"msg": null,
"time": "2026-01-01 00:00:00",
"traceId": null,
"ts": "0"
}