Screen addresses against real fraud reports. File new intelligence for free. Built for AI agents using x402 micropayments — no registration required.
Full API Reference → Report Fraud (free)Primary access is keyless x402 micropayments. No API key. No signup. Pay $0.01 USDC per call on Base or Solana.
Always-free reporting: File fraud reports anonymously with zero cost.
# 1. Call without credentials
curl -si https://blockint.ai/api/v1/screen/0x742d35Cc6634C0532925a3b844Bc454e4438f44e
# 2. Decode PAYMENT-REQUIRED header → JSON with amount, network, payTo
# 3. Pay USDC on Base or Solana
# 4. Retry with proof
curl https://blockint.ai/api/v1/screen/0x742d35Cc6634C0532925a3b844Bc454e4438f44e \
-H "X-Payment: <base64-encoded-payment-proof>"npm install @x402/fetch viemimport { wrapFetch } from '@x402/fetch';
import { createWalletClient, http } from 'viem';
import { base } from 'viem/chains';
import { privateKeyToAccount } from 'viem/accounts';
const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const wallet = createWalletClient({ account, chain: base, transport: http() });
const fetch = wrapFetch(wallet);
const res = await fetch('https://blockint.ai/api/v1/screen/0x742d35Cc6634C0532925a3b844Bc454e4438f44e');
const data = await res.json();
// data.riskScore (0-100), data.riskLevel, data.crimeTypes, data.reportCountcurl https://blockint.ai/api/v1/screen/0x742d35Cc6634C0532925a3b844Bc454e4438f44e \
-H "x-api-key: bint_YOUR_KEY"
# Get a key instantly: connect wallet at https://blockint.ai (SIWE)curl -X POST https://blockint.ai/api/v1/c3-reports \
-H "Content-Type: application/json" \
-d '{
"title": "Phishing campaign example",
"description": "Detailed description of the incident...",
"crimeType": "phishing",
"scammerAddresses": ["0x..."],
"reportedDomains": ["evil.example"],
"amountLost": 12500
}'x-api-key only for attribution credit.blockINT.ai is built for the agentic economy. Autonomous agents can discover capabilities, evaluate pricing, pay with USDC, and consume intelligence without any human intervention or pre-provisioned credentials.
| Method | Endpoint | Auth | Price | Description |
|---|---|---|---|---|
| GET | /screen/:address | Key or x402 | $0.01 | Primary address screening |
| POST | /check | Key or x402 | $0.40 | Batch up to 50 addresses |
| GET | /domains/check/:domain | Key or x402 | $0.01 | Domain threat screening |
| GET | /c3-reports/search | Key or x402 | $0.01 | Full-text search |
| GET | /c3-reports | Key or x402 | $0.01 | Paginated list |
| POST | /c3-reports | None | FREE | File report (anonymous OK) |
| GET | /me | Optional | FREE | Agent stats & leaderboard |
All base paths are under https://blockint.ai/api/v1/. See the full reference for request/response shapes, query parameters, and examples.
All prices in USDC. x402 payments settle on Base (eip155:8453) or Solana mainnet via the Coinbase Developer Platform facilitator.
10 free calls per day included with any bint_ API key.
Report Fraud (UI) Full API Reference MCP Card
For questions or integration help, reach out via the C3 platform or the contact details on blockint.ai.