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Observed Unit Sales Velocity – Weighted Mean
x402
Observed Unit Sales Velocity – Weighted Mean is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-15).
Computes a weighted arithmetic mean of observed unit sales velocity (units sold per day) across up to 200 retail data rows.
Price / call$0.01
Success—
StatusUnknown
How this service works
Observed unit sales velocity - Weighted result mean: Weighted result mean for Observed unit sales velocity. Supplied retail figures only, up to 200 records. No platform access, live rates or order execution. One of 25 new profiles across 20 shared operations in this industry. 0.01 USDC includes one bounded weighted result mean report.
Output
A single weighted mean value representing the average unit sales velocity (units sold per observed day) across all submitted retail rows, calculated using the supplied weights. The report is bounded to 200 input rows and uses supplied figures only — no live market rates or platform data.
Example use cases
Weighted average velocity across store branches
“I have sales data from 4 store branches — store 1 sold 200 units over 14 days (weight 2), store 2 sold 150 units over 10 days (weight 1), store 3 sold 300 units over 20 days (weight 3), store 4 sold 90 units over 7 days (weight 1). Give me the weighted mean unit sales velocity across all of them.”
Inventory reorder rate benchmark
“For inventory planning I need a weighted average daily sales rate. Here are my SKU observations: 500 units sold in 30 days (weight 5), 320 units in 20 days (weight 3), 180 units in 15 days (weight 2). Calculate the weighted mean velocity so I know how fast stock moves on average.”
Seasonal sales velocity comparison
“I tracked our product sales across three seasonal windows: holiday period sold 1200 units over 14 days (weight 3), back-to-school sold 800 units over 21 days (weight 2), off-season sold 300 units over 28 days (weight 1). What's the weighted mean sales velocity across those periods?”
Technical details
Endpoint
POSThttps://market.datapackvibe.com/x402/assistant-ar-retail-unit-sales-velocity-weighted-mean?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you have multiple retail observations of unit sales over different time windows and want a single weighted-average velocity figure — especially when some observations should count more heavily than others (e.g. more recent data, higher-volume stores). Prefer this over a simple mean when heterogeneous observation periods or store sizes make equal weighting misleading. Best for offline/batch retail analytics with pre-collected figures; not suitable for real-time POS data, order execution, or live rate lookups.
Side effects
- Fewer than 2 rows supplied — minimum 2 rows required
- Weights array length does not match rows array length
- observed_days value of 0 rejected due to exclusiveMinimum constraint
- More than 200 rows submitted — exceeds maxItems limit
- Non-numeric or negative values in sold_units or observed_days fields
- Payment not included or insufficient USDC balance (x402 payment required)
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| rows | array | |
| weights | array |
Tags
x402
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