# Mining Operating Contribution Margin — Single Calculation

> Mining Operating Contribution Margin — Single Calculation 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).

Calculates the operating contribution margin rate for a mining operation given revenue and contribution values, returning a bounded single-calculation report.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-bx-mining-cash-margin-rate-calculate?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/mining-operating-contribution-margin-single-calculation-60015b6b
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap__YIiw9102DcqoQ7w8mLca

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 mining-operating-contribution-margin-single-calculation-60015b6b -d '<json body>'
```

Example prompt: Calculate the operating contribution margin rate for my mining operation — the total revenue is $850,000 and the contribution is $212,500.

## When to prefer this

Use this endpoint when you need a quick, standardized single-calculation report for mining operating contribution margin and have known revenue and contribution figures in USD. Prefer this over custom spreadsheets or general financial calculators when you need a consistent, formula-disclosed output for mining-specific operations within a shared multi-profile engine.

## Known failure modes

- revenue_usd is zero or negative (violates exclusiveMinimum constraint)
- contribution_usd or revenue_usd exceeds maximum allowed value
- missing required fields (revenue_usd or contribution_usd) returns validation error
- payment not processed (x402 payment required before response)
- malformed JSON body returns 400-level error

## How this service works

Mining operating contribution margin — Single calculation: Single calculation for Mining operating contribution margin. Supplied mining assumptions only; formula and units disclosed. No live prices, mining or guaranteed return. Specialised preset in a shared 50-profile, 20-operation engine. 0.01 USDC includes one bounded single calculation report.

## Output

A bounded single-calculation report containing the computed mining operating contribution margin rate derived from the supplied revenue and contribution values, along with the formula and units used. No live prices or guaranteed return figures are included.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "values": {
   "type": "object",
   "default": {
    "revenue_usd": 100,
    "contribution_usd": 25
   },
   "required": [
    "contribution_usd",
    "revenue_usd"
   ],
   "properties": {
    "revenue_usd": {
     "type": "number",
     "default": 100,
     "maximum": 10000000000000000,
     "minimum": 0,
     "exclusiveMinimum": 0
    },
    "contribution_usd": {
     "type": "number",
     "default": 25,
     "maximum": 10000000000000000,
     "minimum": -1000000000000
    }
   },
   "additionalProperties": false
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/mining-operating-contribution-margin-single-calculation-60015b6b/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
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