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Friday Seller Tools – Marketplace Image Brief Generator
x402
Friday Seller Tools – Marketplace Image Brief Generator is a paid API for AI agents from friday-seller-tools-production.up.railway.app, paid per call via x402, $0.5/call, status unknown (last checked 2026-09-14).
Generates an image brief (creative direction document) for marketplace product listings on Amazon, Walmart, Shopify, or eBay.
Price / call$0.5
Success—
StatusUnknown
How this service works
Instant, low-cost Amazon, Walmart, Shopify, and eBay listing, upload-preparation, advertising, and image-brief deliverables.
Output
Returns a job_id and status ('queued') indicating the image brief generation task has been accepted. The agent can use the job_id to poll for the completed image brief deliverable, which will include structured creative direction for marketplace-compliant product imagery.
Example use cases
Amazon hero image brief
“Create an image brief for my Amazon listing of a wireless ergonomic mouse — I need direction for the main product hero image plus two feature callout shots that highlight the comfort grip and USB-C charging port.”
Walmart advertising image prep
“I'm launching a set of bamboo kitchen utensils on Walmart and need a creative image brief covering the sponsored product ad image and two lifestyle images showing them in a modern kitchen setting.”
Shopify product page visuals
“Generate an image brief for my Shopify store product — a natural beeswax candle set — including direction for a flat-lay hero shot and a mood lifestyle image that fits a cozy, minimal aesthetic.”
Technical details
Endpoint
POSThttps://friday-seller-tools-production.up.railway.app/v1/marketplace-images/briefWhen to prefer
Choose this endpoint when you need structured creative direction (image briefs) specifically formatted for major ecommerce marketplaces like Amazon, Walmart, Shopify, or eBay. It is ideal when preparing product photography shoots or briefing a designer, and you want marketplace-compliant image specifications generated instantly at low cost ($0.50 USDC). Prefer this over generic content generation tools when the output needs to align with specific marketplace image standards and advertising requirements.
Side effects
- Missing or insufficient product details may result in a generic or incomplete brief
- Unsupported marketplace platform may cause a validation error
- Payment failure (x402) may prevent request from being processed
- Rate limits or server unavailability may return 503 or timeout errors
- Malformed request body may return a 400 bad request error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| avoid | array | |
| product | object | |
| variants | array | |
| must_show | array | |
| objective | string | |
| image_count | integer | |
| brand_colors | array | |
| included_items | array | |
| available_assets | array | |
| include_alt_text | boolean |
Output
Schema · Response
{
"type": "json",
"example": {
"job_id": "example",
"status": "queued"
}
}Tags
x402
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