# Unit Return Rate Batch Calculator

> Unit Return Rate Batch Calculator is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-19).

Calculates unit return rate (returned_units / sold_units) for up to 200 rows of supplied retail data in a single batch call.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-sector-retail-unit-return-batch?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-19
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/unit-return-rate-batch-calculator-7f4796ff
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_5ibeEP26zuydjdJAOAKI4

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability unit-return-rate-batch-calculator-7f4796ff -d '<json body>'
```

Example prompt: Calculate the unit return rate for these retail records in batch: [{sold_units: 100, returned_units: 5}, {sold_units: 200, returned_units: 18}, {sold_units: 500, returned_units: 40}] — I need the return rate for each row.

## When to prefer this

Choose this endpoint when you need to compute unit return rates for multiple retail records in a single call (up to 200 rows) using your own supplied figures. It is ideal for local scenario analysis, catalog audits, or financial modeling where no live inventory system, platform fee lookup, or order data is needed. Prefer this over single-record calculations when you have a list of products or time periods to evaluate at once.

## Known failure modes

- Empty rows array or missing required fields (sold_units or returned_units) returns a validation error
- sold_units of 0 or negative triggers exclusiveMinimum validation failure
- Batch exceeds 200 rows returns a maxItems error
- Non-numeric values for sold_units or returned_units cause schema validation failures
- returned_units exceeding maximum bound may be flagged as invalid

## How this service works

Unit return rate - Batch calculation: Batch calculation for Unit return rate. Supplied retail figures only. Local calculation and scenario analysis; no live inventory, account access, platform fee lookup or order execution. One of 25 profiles or calculations across 20 shared operations in this sector. 0.01 USDC includes one bounded batch calculation deliverable.

## Output

Returns a batch of computed unit return rate values (returned_units / sold_units) for each supplied row, along with identification of any invalid or out-of-bounds records among the up to 200 input rows.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "rows": {
   "type": "array",
   "items": {
    "type": "object",
    "required": [
     "returned_units",
     "sold_units"
    ],
    "properties": {
     "sold_units": {
      "type": "number",
      "default": 100,
      "maximum": 1000000000000,
      "minimum": 0,
      "exclusiveMinimum": 0
     },
     "returned_units": {
      "type": "number",
      "default": 5,
      "maximum": 1000000000000,
      "minimum": 0
     }
    },
    "additionalProperties": false
   },
   "default": [
    {
     "sold_units": 100,
     "returned_units": 5
    },
    {
     "sold_units": 110.00000000000001,
     "returned_units": 5.5
    }
   ],
   "maxItems": 200,
   "minItems": 1
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/unit-return-rate-batch-calculator-7f4796ff/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from market.datapackvibe.com](https://www.zero.xyz/host/market.datapackvibe.com/llms.txt)