# Carbon & Cashmere AI Transaction Explainer

> Carbon & Cashmere AI Transaction Explainer is a paid API for AI agents from api.carbon-cashmere.de, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-08).

Uses an AI model (Claude) to generate a plain-English explanation of a blockchain transaction given its transaction ID

## Facts

- Endpoint: GET https://api.carbon-cashmere.de/v1/ai/explain-tx/%7Btxid%7D
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-08
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/carbon-cashmere-ai-transaction-explainer-2f50e864
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_aLosLvGIKt2srjOxJeAqC

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 carbon-cashmere-ai-transaction-explainer-2f50e864
```

Example prompt: Can you explain what this Bitcoin transaction did in plain English — txid abc123def456...? I want to understand how many inputs and outputs it had, how much BTC moved, and what kind of transaction it looks like.

## When to prefer this

Choose this endpoint when a user needs a human-readable AI-generated explanation of a specific blockchain transaction by its hash — especially useful for non-technical users trying to understand what happened in a Bitcoin or crypto transaction. Prefer this over raw block explorer lookups when a natural language summary is required rather than raw data.

## Known failure modes

- Invalid or malformed txid returns an error response
- Transaction not found on any indexed chain returns 404 or empty explanation
- Payment not provided or insufficient USDC triggers x402 payment required response
- Network timeout if blockchain node is slow to respond
- Unsupported chain transactions may not be explainable

## How this service works

Professional crypto market intelligence. Real-time prices, signals, and market scoring.

## Output

Returns a JSON object containing the original txid, the chain (e.g. 'bitcoin'), the AI model used to generate the explanation, a natural-language paragraph explaining the transaction structure (inputs, outputs, amounts, confirmations), the block height, input and output counts, confirmation count, and total BTC output amount.

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "txid": "abc123def456...",
  "chain": "bitcoin",
  "model": "claude-haiku-4-5",
  "explanation": "This is a standard 2-input, 3-output Bitcoin transaction confirmed 5 blocks ago. The total 0.504 BTC was split across...",
  "block_height": 920000,
  "inputs_count": 2,
  "confirmations": 5,
  "outputs_count": 3,
  "total_btc_out": 0.50421523
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/carbon-cashmere-ai-transaction-explainer-2f50e864/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.carbon-cashmere.de](https://www.zero.xyz/host/api.carbon-cashmere.de/llms.txt)