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Friday Seller Tools – Seasonal Demand Calendar
x402
Friday Seller Tools – Seasonal Demand Calendar is a paid API for AI agents from friday-seller-tools-production.up.railway.app, paid per call via x402, $0.25/call, status unknown (last checked 2026-09-15).
Generates a seasonal demand calendar for e-commerce products across Amazon, Walmart, Shopify, and eBay to guide listing and advertising timing.
Price / call$0.25
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 queued status immediately; the completed result is a seasonal demand calendar detailing peak demand windows, promotional timing recommendations, and seasonal trends across the requested marketplaces and product categories to guide listing, launch, and advertising scheduling decisions.
Example use cases
Holiday ad spend planning for Amazon
“I sell outdoor furniture on Amazon — can you build me a seasonal demand calendar so I know when to ramp up my PPC budget and when demand typically drops off throughout the year?”
Multi-marketplace launch timing
“I'm launching a new line of fitness accessories on Amazon, Walmart, and Shopify — can you generate a seasonal demand calendar so I know the best windows to publish listings and run promotions on each platform?”
eBay seasonal listing strategy
“I resell winter clothing on eBay and want to stop guessing — pull me a seasonal demand calendar for apparel so I can schedule my listings and pricing changes around actual demand peaks.”
Technical details
Endpoint
POSThttps://friday-seller-tools-production.up.railway.app/v1/planning/seasonal-demand-calendarWhen to prefer
Use this endpoint when you need structured, calendar-based seasonal demand intelligence specifically for multi-marketplace e-commerce sellers (Amazon, Walmart, Shopify, eBay) to plan listing timing and advertising budgets; prefer it over generic trend APIs when the output needs to be actionable for seller workflow planning at $0.25 per call.
Side effects
- Missing or invalid product category returns a 400 error
- Unsupported marketplace identifier causes validation failure
- Job may remain in queued state if processing is delayed on the backend
- Empty or overly broad keyword inputs may yield low-confidence calendar output
- Network timeout to the Railway-hosted service may require retry
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| category | string | |
| marketplace | string | |
| product_name | string | |
| lead_time_days | integer | |
| extra_peak_months | array | |
| listing_refresh_lead_days | integer |
Output
Schema · Response
{
"type": "json",
"example": {
"job_id": "example",
"status": "queued"
}
}Tags
x402
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