# Friday Seller Tools – Bundle & Multipack Pricing Optimizer

> Friday Seller Tools – Bundle & Multipack Pricing Optimizer 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 optimized bundle and multipack pricing strategies for Amazon, Walmart, Shopify, and eBay marketplace listings.

## Facts

- Endpoint: POST https://friday-seller-tools-production.up.railway.app/v1/pricing/bundle-multipack-optimizer
- Price: $0.25/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/friday-seller-tools-bundle-multipack-pricing-optimizer-ffd53fff
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_khrFdXm5RCabjo_isKOsP

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 friday-seller-tools-bundle-multipack-pricing-optimizer-ffd53fff -d '<json body>'
```

Example prompt: Use Friday Seller Tools to optimize my bundle and multipack pricing — I'm selling a single unit of my vitamin C serum for $18.99 and want to know the best price points for a 2-pack, 3-pack, and 6-pack bundle on Amazon to maximize conversion.

## When to prefer this

Choose this endpoint when you need algorithmic, marketplace-aware bundle and multipack pricing recommendations rather than generic discount calculations. It is specifically optimized for Amazon, Walmart, Shopify, and eBay seller contexts and returns structured deliverables ready for listing upload preparation.

## Known failure modes

- Missing required product pricing inputs returns a 400 validation error
- Invalid marketplace platform identifier causes rejection
- Malformed bundle configuration (e.g. negative quantities) returns an error
- Payment not received or insufficient USDC balance causes 402 Payment Required
- Service unavailability on Railway.app deployment returns 503

## 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 async result contains recommended bundle and multipack price points, suggested discount tiers, margin analysis, and platform-specific pricing guidance for the specified marketplace(s).

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "sku": {
   "type": "string",
   "title": "Sku",
   "default": "",
   "maxLength": 100
  },
  "marketplace": {
   "enum": [
    "amazon_us",
    "walmart_us",
    "shopify",
    "ebay_us"
   ],
   "type": "string",
   "title": "Marketplace",
   "default": "amazon_us"
  },
  "bundle_sizes": {
   "type": "array",
   "items": {
    "type": "integer",
    "maximum": 24,
    "minimum": 2
   },
   "title": "Bundle Sizes",
   "maxItems": 8,
   "minItems": 1
  },
  "product_name": {
   "type": "string",
   "title": "Product Name",
   "maxLength": 200,
   "minLength": 1
  },
  "fixed_order_fee_usd": {
   "type": "number",
   "title": "Fixed Order Fee Usd",
   "default": 0,
   "maximum": 1000000,
   "minimum": 0
  },
  "single_unit_price_usd": {
   "type": "number",
   "title": "Single Unit Price Usd",
   "maximum": 1000000,
   "exclusiveMinimum": 0
  },
  "product_cost_per_unit_usd": {
   "type": "number",
   "title": "Product Cost Per Unit Usd",
   "maximum": 1000000,
   "minimum": 0
  },
  "candidate_discount_percents": {
   "type": "array",
   "items": {
    "type": "number",
    "maximum": 80,
    "minimum": 0
   },
   "title": "Candidate Discount Percents",
   "maxItems": 10,
   "minItems": 1
  },
  "percentage_fee_rate_percent": {
   "type": "number",
   "title": "Percentage Fee Rate Percent",
   "default": 0,
   "maximum": 80,
   "minimum": 0
  },
  "fulfillment_cost_per_unit_usd": {
   "type": "number",
   "title": "Fulfillment Cost Per Unit Usd",
   "default": 0,
   "maximum": 1000000,
   "minimum": 0
  },
  "target_contribution_margin_percent": {
   "type": "number",
   "title": "Target Contribution Margin Percent",
   "default": 20,
   "maximum": 80,
   "minimum": 0
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "job_id": "example",
  "status": "queued"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/friday-seller-tools-bundle-multipack-pricing-optimizer-ffd53fff/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from friday-seller-tools-production.up.railway.app](https://www.zero.xyz/host/friday-seller-tools-production.up.railway.app/llms.txt)