# Bitcoin Mining Fee Reward Share — Local Finite-Change Elasticity

> Bitcoin Mining Fee Reward Share — Local Finite-Change Elasticity is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-12).

Computes the local finite-change elasticity of transaction fees as a share of total Bitcoin mining reward, given user-supplied baseline fee and subsidy values and a percentage step size.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-bx-mining-fee-reward-share-elasticity?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/bitcoin-mining-fee-reward-share-local-finite-change-elasticity-34c85ce5
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_y9dP4--IqBbVUpgTYryrR

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 bitcoin-mining-fee-reward-share-local-finite-change-elasticity-34c85ce5 -d '<json body>'
```

Example prompt: Can you calculate the local finite-change elasticity of transaction fees in mining reward using a baseline of 0.125 BTC in fees and 3.125 BTC subsidy, varying the fee_btc field with a 1% step?

## When to prefer this

Choose this endpoint when you need a precise, formula-based local elasticity measure for Bitcoin transaction fee share of mining reward — particularly for sensitivity analysis around specific baseline assumptions (fee and subsidy values you supply). It is not for live price data, real-time mining metrics, or general Bitcoin analytics; it is a specialised computation for a single bounded elasticity report at a given point.

## Known failure modes

- Invalid field enum value (not 'fee_btc' or 'subsidy_btc') returns a validation error
- subsidy_btc set to zero is rejected due to exclusiveMinimum constraint
- step_percent outside 0.01–10 range returns a bounds error
- Missing required baseline fields returns schema validation error
- Payment not fulfilled causes request to be rejected with 402 status

## How this service works

Transaction fees in mining reward — Local finite-change elasticity: Local finite-change elasticity for Transaction fees in mining reward. 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 local finite-change elasticity report.

## Output

A bounded local finite-change elasticity report showing how the share of mining reward attributable to transaction fees responds to a small percentage change in either the fee or subsidy input. The report includes the computed elasticity value based on the supplied formula and units, with no live price data or guaranteed returns.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "field": {
   "enum": [
    "fee_btc",
    "subsidy_btc"
   ],
   "type": "string",
   "default": "fee_btc"
  },
  "baseline": {
   "type": "object",
   "default": {
    "fee_btc": 0.125,
    "subsidy_btc": 3.125
   },
   "required": [
    "fee_btc",
    "subsidy_btc"
   ],
   "properties": {
    "fee_btc": {
     "type": "number",
     "default": 0.125,
     "maximum": 10000000000000000,
     "minimum": 0
    },
    "subsidy_btc": {
     "type": "number",
     "default": 3.125,
     "maximum": 10000000000000000,
     "minimum": 0,
     "exclusiveMinimum": 0
    }
   },
   "additionalProperties": false
  },
  "step_percent": {
   "type": "number",
   "default": 1,
   "maximum": 10,
   "minimum": 0.01
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/bitcoin-mining-fee-reward-share-local-finite-change-elasticity-34c85ce5/health.json
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