SDK

npm install @credlayer/sdk @solana/web3.js

import { CredLayerClient } from '@credlayer/sdk';

// Initialize with default Devnet settings
const credlayer = new CredLayerClient();

// Or override with custom settings
const credlayer = new CredLayerClient(
  'https://api.mainnet-beta.solana.com', // Custom RPC
  'YOUR_CREDENTIAL_PDA',
  'YOUR_SCHEMA_PDA'
);

// Check if wallet meets minimum trust score threshold
const isSafe = await credlayer.isApproved(walletAddress, 800);

if (isSafe) {
  console.log("✅ Access Granted");
  // Grant loan, allow swap, enable feature, etc.
} else {
  console.log("🚫 Access Denied");
  // Block access or request additional verification
}

// Get complete trust score data for UI display
const scoreData = await credlayer.getScore(walletAddress);

if (!scoreData) {
  console.log("No attestation found");
  return;
}

if (!scoreData.isValid) {
  console.log("⚠️ Score was revoked");
  return;
}

console.log(`Trust Score: ${scoreData.trustScore}`); // e.g., 850
console.log(`Risk Level: ${scoreData.riskLevel}`);   // e.g., "LOW"

import { CredLayerClient } from '@credlayer/sdk';
import { useState, useEffect } from 'react';

function TrustScoreDisplay({ walletAddress }: { walletAddress: string }) {
  const [score, setScore] = useState<number | null>(null);
  const [loading, setLoading] = useState(true);

  useEffect(() => {
    const fetchScore = async () => {
      const client = new CredLayerClient();
      const data = await client.getScore(walletAddress);
      setScore(data?.trustScore ?? null);
      setLoading(false);
    };
    fetchScore();
  }, [walletAddress]);

  if (loading) return <div>Loading...</div>;
  if (!score) return <div>No score found</div>;

  return (
    <div>
      <h3>Trust Score: {score}</h3>
      <p>Status: {score >= 800 ? 'Verified' : 'Below threshold'}</p>
    </div>
  );
}