# 402MRKT — The Agentic Data Superstore

> Unified pay-per-query data marketplace for autonomous AI agents.
> Multi-niche data aisles. Instant Base Mainnet settlement via EIP-3009 USDC micropayments.

## Payment Instructions

All endpoints require a valid x402 EIP-3009 `transferWithAuthorization` payment header.

- **Pricing Model:** Tiered per-route ($0.02 – $0.50 USDC per query).
- **Asset:** USDC on Base Mainnet (`0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`)
- **Network:** `eip155:8453` (Base Mainnet)
- **Recipient:** `0x244Eb62A1D2525fE75c80E75f346732dAd165bF9`
- **Scheme:** EIP-3009 `transferWithAuthorization`

> ⚠️ The price is resolved dynamically per endpoint. Agents must use the exact amount advertised in the 402 challenge response for each route to avoid EIP-3009 signature mismatch errors.

## Available Endpoints

### 🟢 LIVE — GitDev402 (Dev Intelligence)
`GET /api/v1/market/gitdev402`
- **Price:** $0.02 USDC (20000 units)
- **Parameters:**
  - `owner` (required): Repository owner or organization
  - `repo` (required): Repository name
- **Returns:** Stars, forks, open issues, language, license, last push date, topics, archived status.

---

### 🟢 LIVE — DeFi402 (DeFi Security)
`GET /api/v1/market/defi402`
- **Price:** $0.10 USDC (100000 units)
- **Parameters:**
  - `address` (required): Token contract address to scan
  - `chain_id` (optional, default: `8453`): EVM chain ID
- **Returns:** Honeypot status, buy/sell tax, owner risks, mintability, holder count.

---

### 🟢 LIVE — Cyber402 (Cyber Intelligence)
`GET /api/v1/market/cyber402`
- **Price:** $0.05 USDC (50000 units)
- **Parameters:**
  - `package` (required): Package name (e.g. `lodash`)
  - `ecosystem` (required): Ecosystem (e.g. `npm`, `PyPI`, `Go`, `Maven`)
- **Returns:** List of open CVEs, severity, publish date, and aliases.

---

### 🟢 LIVE — Insider402 (Financial Intelligence)
`GET /api/v1/market/insider`
- **Price:** $0.05 USDC (50000 units)
- **Parameters:**
  - `count` (optional): Number of recent filings to return (max 40)
- **Returns:** Real-time extraction of SEC EDGAR corporate filings.

---

### 🔜 PHASE 2 — Social402
`GET /api/v1/market/social402`
- **Price:** $0.03 USDC (30000 units)
- **Status:** Payment enforced. Live data feed launching in Phase 2.

### 🔜 PHASE 2 — Civic402
`GET /api/v1/market/civic402`
- **Price:** $0.15 USDC (150000 units)
- **Status:** Payment enforced. Live data feed launching in Phase 2.

### 🔜 PHASE 2 — Ad402
`GET /api/v1/market/ad402`
- **Price:** $0.20 USDC (200000 units)
- **Status:** Payment enforced. Live data feed launching in Phase 2.

### 🔜 PHASE 2 — DAO402
`GET /api/v1/market/dao402`
- **Price:** $0.10 USDC (100000 units)
- **Status:** Payment enforced. Live data feed launching in Phase 2.

### 🔜 PHASE 2 — Audit402
`GET /api/v1/market/audit402`
- **Price:** $0.50 USDC (500000 units)
- **Status:** Payment enforced. Live data feed launching in Phase 2.

### 🔜 PHASE 2 — Chain402
`GET /api/v1/market/chain402`
- **Price:** $1.00 USDC (1000000 units)
- **Status:** Payment enforced. Live data feed launching in Phase 2.