# NeuroFi Smart Contract Explainer

> NeuroFi Smart Contract Explainer is a paid API for AI agents from neurofi-chi.vercel.app, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-15).

Returns an AI-generated plain-language explanation of a smart contract given its on-chain address, including verification status.

## Facts

- Endpoint: GET https://neurofi-chi.vercel.app/api/explain/%7Baddress%7D
- Price: $0.1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/neurofi-smart-contract-explainer-f45768f4
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_SAHwRgFKsvJilndLzzqU_

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 neurofi-smart-contract-explainer-f45768f4
```

Example prompt: Can you explain what the smart contract at 0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984 does in plain English — is it verified and what's its main purpose?

## When to prefer this

Use this endpoint when you need a quick, human-readable explanation of any smart contract by address — especially useful when a user wants to understand a contract's purpose without reading raw Solidity. Prefer this over general code analysis tools when the subject is an on-chain contract address specifically, and you want verification status alongside the explanation.

## Known failure modes

- Invalid or malformed contract address returns an error
- Unverified or undeployed contract may return limited explanation
- Network or payment failure (x402 micropayment not processed) returns 402
- Contract on unsupported chain returns error or empty result
- Rate limiting or service downtime returns 5xx error

## How this service works

NeuroFi provides AI-powered crypto intelligence endpoints covering token research, market analysis, contract auditing, sentiment tracking, news summarization, portfolio advice, deep research, text translation, language detection, SEO content generation, and contract explanation. All analytical endpoints require x402 micropayment on Base.

## Output

A JSON object containing the queried contract address, a boolean indicating whether the contract is verified on-chain, and a plain-language AI-generated explanation of what the contract does, its purpose, and key functionality.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "address": "0x...",
  "verified": true,
  "explanation": "..."
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/neurofi-smart-contract-explainer-f45768f4/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from neurofi-chi.vercel.app](https://www.zero.xyz/host/neurofi-chi.vercel.app/llms.txt)