AI Background Generator

Create product or lifestyle scene images from text prompts and optional reference images. Call it via REST API or MCP, or try it in the online playground.

CostEst. 185–222 credits / call

Try online

POST · https://api.nexscope.ai/ai/backgroundGeneratorMCP · nexscope_ai_background_generator

Subscription required. Creative AI APIs are available only to users with an active subscription. Trial credits do not enable API key access. View subscription plans.

Multimodal AI

What this API does

Create product or lifestyle scene images from text prompts and optional reference images. The request accepts prompt, imageUrl, style, scale, outputNum. Generation runs as a task: retain the task ID and retrieve the completed result before using the output.

AI Background Generator API use cases

Prepare product background variants

To prepare product background variants, a content editor submits prompt and imageUrl to AI Background Generator. The returned completed generation results help choose a background that fits the product presentation.

Adapt images for campaign placements

A content editor uses AI Background Generator with prompt and imageUrl to adapt images for campaign placements. The returned completed generation results help review an asset against the campaign placement brief.

Review product presentation before publishing

For this workflow, a content editor calls AI Background Generator with prompt and imageUrl to review product presentation before publishing. The result helps check the product remains clear against its new background.

AI Background Generator API FAQ

What does the AI Background Generator API return?

Create product or lifestyle scene images from text prompts and optional reference images. It corresponds to the supplied prompt, imageUrl, style, scale, outputNum. The initial response can contain a task ID and status; the completed task result contains the generated output. Example values illustrate the response shape, rather than live account results.

How many credits does the AI Background Generator API cost?

The current documented cost is Est. 185–222 credits / call. This is the same cost shown at the top of this page. If a range or estimate is displayed, the final charge depends on the request. Review your available credits and the pricing page before calling the API, and check API usage records for the actual charge.

How do I call the AI Background Generator API from my app or an MCP client?

Send a POST request to https://api.nexscope.ai/ai/backgroundGenerator with your API key as a Bearer token and the JSON inputs shown in API integration. In a compatible MCP client such as Claude or Cursor, connect Nexscope and call nexscope_ai_background_generator. Use the MCP arguments shown in the MCP guide, or switch Online test to MCP to review its request before adding it to your app.

View plans and credits Connect this API with MCP

Try this API

Endpoint

https://api.nexscope.ai/ai/backgroundGenerator

MCP method

nexscope_ai_background_generator

Step 1 of 3 · Authenticate

Authentication

All run endpoints require a user API key. Send it as a bearer token in the Authorization header.

Authorization: Bearer nk-xxxxxxxxxxxxxxxxx

Missing or invalid API keys return an authentication error. Manage keys from .

Step 2 of 3 · Send a request

POSThttps://api.nexscope.ai/ai/backgroundGenerator

Run an API

Create product or lifestyle scene images from text prompts and optional reference images.

Example request

Replace YOUR_API_KEY, then run this command in your terminal.

curl -X POST 'https://api.nexscope.ai/ai/backgroundGenerator' \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "imageUrl": "https://example.com/product.jpg",
  "outputNum": 4,
  "prompt": "a premium phone case on a clean marble desk",
  "scale": "1:1",
  "style": "scene-material"
}'

Step 3 of 3 · Inspect the result

Check the response

Read code for the request status and data for the result. Open the parameter and response reference for the full field definitions.

HTTP status codes

Code	Description
200	HTTP request completed. Check JSON code; only 0 indicates business success or acceptance.
400	Request JSON or required API parameters are invalid.
401	API key is missing, invalid, or cannot be matched to a user.
5xx	API execution or upstream service failed.

View parameters & response Try online

All categories/ Multimodal AI

POSThttps://api.nexscope.ai/ai/backgroundGenerator

Run this API

Send a JSON request to execute this API and receive the documented response payload.

Open tester

Endpoint

Method	`POST`
Path	`https://api.nexscope.ai/ai/backgroundGenerator`
Auth	`Bearer API key`
Content-Type	`application/json`

Request parameters

Name	Type	Required	Description
`prompt`	`string`	required	Text prompt describing the desired scene. Example: a premium phone case on a clean marble desk
`imageUrl`	`string`	optional	Optional reference image URL. Example: https://example.com/product.jpg
`style`	`string`	optional	Style preset. Available options `scene-material` `portrait-material` `ancient-chinese` `expressive-sketch` `cyberpunk` `pixel-illustration` `tranquil-ink` `anime-line-art` `makoto-shinkai` `hayao-miyazaki` `cg` `monochrome-illustration` `retro-anime` `chibi-character` `realistic-oil-painting` `c4d-paper-cut` `expressive-watercolor` `fresh-anime` Example: scene-material
`scale`	`string`	optional	Output aspect ratio. Defaults to 1:1. Available options `1:1` `16:9` `9:16` Example: 1:1
`outputNum`	`integer`	optional	Number of images to generate, from 1 to 4. Defaults to 4. Example: 4

Code example

{
  "imageUrl": "https://example.com/product.jpg",
  "outputNum": 4,
  "prompt": "a premium phone case on a clean marble desk",
  "scale": "1:1",
  "style": "scene-material"
}

Response example

Platform response envelope. code 0 indicates success or acceptance; data contains the business result.

{
  "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"
}

Response fields

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	Result value used by this API operation.
`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.
`data.usage`	`object`	optional	Actual credits charged for a completed successful task; omitted when unavailable.
`data.usage.chargedCredits`	`integer`	required	Charged credits value used by this API operation. Minimum: 0

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	Result value used by this API operation.

Any of option 2

Name	Type	Required	Description
`data`	`null`	required	Data value used by this API operation.

Responses

Code	Description
200	HTTP request completed. Check JSON code; only 0 indicates business success or acceptance.
400	Request JSON or required API parameters are invalid.
401	API key is missing, invalid, or cannot be matched to a user.
5xx	API execution or upstream service failed.

Data source, freshness, and limitations

Source, freshness, coverage, rate limits, and estimation notes are not specified in this API definition unless they appear in the request or response field documentation above. Do not assume official marketplace data or real-time freshness when it is not explicitly documented.

Step 1 of 2 · Connect your MCP client

MCP

V2 recommended

Connect remote agents through the standard MCP 2025-11-25 Streamable HTTP endpoint. Use OAuth 2.1 Authorization Code with PKCE, or an API key for compatibility.

POST https://api.nexscope.ai/mcp
MCP-Protocol-Version: 2025-11-25
Content-Type: application/json

Authentication

OAuth clients request the mcp:tools scope. The endpoint's 401 response advertises protected-resource metadata for authorization discovery.

Step 2 of 2 · Call the tool

Call a tool

{
  "jsonrpc": "2.0",
  "id": "tool-call-1",
  "method": "tools/call",
  "params": {
    "name": "nexscope_ai_background_generator",
    "arguments": {
      "imageUrl": "https://example.com/product.jpg",
      "outputNum": 4,
      "prompt": "a premium phone case on a clean marble desk",
      "scale": "1:1",
      "style": "scene-material"
    }
  }
}

Legacy MCP v1

Existing API-key clients can continue using the compatibility endpoint. New integrations should use MCP v2.

GET / POST /mcp/legacy

Online test

Execute the current API with your API key and JSON payload. Online tests use this site's configured API environment; the Endpoint and copyable examples use the public integration address.

Create an image

Prompt*0 characters

Source imageOptional

Optional reference image URL.

JPG, PNG, WEBP · 1 image · 20 MB

0/1

Image settings

Visual Style

Style preset. Supported values: scene-material, portrait-material, ancient-chinese, expressive-sketch, cyberpunk, pixel-illustration, tranquil-ink, anime-line-art, makoto-shinkai, hayao-miyazaki, cg, monochrome-illustration, retro-anime, chibi-character, realistic-oil-painting, c4d-paper-cut, expressive-watercolor, fresh-anime.

Aspect Ratio

Output aspect ratio. Supported values: 1:1, 16:9, 9:16. Defaults to 1:1.

Images

API keys require an active subscription. Trial credits don't include API access. View plans.

Usage estimate unavailable

Final credits are shown with your result.

Preview

Your image will appear here

Recent generations

Saved in this browser for 24 hours

Your generations will appear here.

Test with an API key or MCP

Try it

Send a real request with the same contract shown in the reference.

Endpoint

/ai/backgroundGenerator

Task result endpoint

/ai/backgroundGenerator/tasks/{taskId}

MCP method

nexscope_ai_background_generator

API key*

JSON payload*

cURL

curl -X POST \
  https://api.nexscope.ai/ai/backgroundGenerator \
  -H "Authorization: Bearer nk-..." \
  -H "Content-Type: application/json" \
  -d '{ "imageUrl": "", "outputNum": 4, "prompt": "a premium phone case on a clean marble desk", "scale": "1:1", "style": "scene-material" }'

Response

No response yet. Run the request to see the response here.

Task result

Results are checked automatically after Run request. You can also enter a task ID and check it manually; completed resources use Nexscope URLs and show actual charged credits.

Task ID

Result response

No task result yet. Query the task to see the generated output here.

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