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Blockchain Intelligence API

One API for address risk scoring, sanctions screening and scam detection across five blockchains, with fund-flow analysis on Bitcoin. Sub-200ms response times, per-request pricing.

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Why Our API

Built for developers, priced for startups

10+ Endpoints

Address check, risk scoring, sanctions screening, scam lookup, Bitcoin fund-flow tracing, transaction analysis, and more. One API key unlocks everything.

Per-Request Pricing from $0.001

Pay only for what you use. Simple address checks start at $0.001. No monthly minimums, no contracts. Top up via Stripe anytime.

Sub-200ms Response

Cached results return in under 50ms. Fresh lookups complete in under 200ms. Built for screening an address before each transfer.

5 Blockchain Coverage

Bitcoin, Ethereum, BSC, Tron, and Solana. Auto-detection from address format, or specify the chain explicitly for BSC (0x) addresses.

Bearer Token Auth

Simple API key authentication. Generate keys in the portal, pass as Bearer token. Rotate keys anytime without downtime.

Usage-Based Billing

Real-time credit tracking. Every response includes remaining balance. Set up low-balance alerts. Auto-top-up available.

Quick Start

One request. Full risk profile.

Request
curl -X GET \
  -H "Authorization: Bearer ce_live_a1b2c3d4e5f6..." \
  "https://chainevidence.net/api/v1/address/bc1qxy2kgdygjrsqtzq2n0yrf2493p83kkfjhx0wlh/check"
Response (JSON)
{
  "data": {
    "address": "bc1qxy2kgdygjrsqtzq2n0yrf2493p83kkfjhx0wlh",
    "chain": "BTC",
    "risk": {
      "score": 78,
      "level": "high",
      "factors": ["scam-reports", "mixer-usage", "high-volume"]
    },
    "sanctions": {
      "listed": false,
      "source": null
    },
    "scamDatabase": {
      "isKnown": true,
      "reportCount": 12,
      "labels": ["investment-scam", "phishing"],
      "firstReported": "2024-08-15T00:00:00Z"
    },
    "fundFlow": {
      "totalReceived": "45.23 BTC",
      "totalSent": "44.98 BTC",
      "uniqueCounterparties": 234,
      "exchangeExposure": ["binance", "kraken"]
    }
  },
  "meta": {
    "requestId": "req_a1b2c3d4",
    "creditsRemaining": 4980,
    "costCents": 0.1,
    "responseTimeMs": 142
  }
}

142ms

Response time

$0.001

Per request

5

Networks

Who It's For

Integrate blockchain intelligence anywhere

Exchanges

Screen deposits and withdrawals in real-time. Flag sanctioned addresses before they hit your platform.

Wallets

Warn users before they send to scam addresses. Show risk badges on transaction history. Protect your users without blocking them.

Payment Processors

Verify merchant crypto addresses before settlement. Screen incoming payments against sanctions lists. Audit trail for regulators.

Compliance Tools

Enrich your existing KYC/AML pipeline with on-chain risk data. Batch screening, webhook alerts, and monthly compliance reports.

Start building with blockchain intelligence

20 free API calls included with every key. No credit card required to start. Top up via Stripe when you need more.

Get API KeyView Docs