TypeScript SDK

npm install @cred-protocol/sdk

import { CredClient } from '@cred-protocol/sdk'

const cred = new CredClient({ apiKey: process.env.CRED_API_KEY })

const result = await cred.evaluate({
  walletAddress: '0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045',
  policy: 'standard',
})

console.log(result.trustScore)  // 75
console.log(result.trustTier)   // "verified"
console.log(result.allPassed)   // true

const cred = new CredClient({
  apiKey: 'cred_sk_...',       // Required
  baseUrl: 'https://...',      // Optional, defaults to production
})

const result = await cred.evaluate({
  walletAddress: '0x...',
  policy: 'standard',       // "basic", "standard", "strict", "financial", "reputation", "quick"
})

const result = await cred.evaluate({
  walletAddress: '0x...',
  gates: ['human', 'verified', 'established'],
  operator: 'WEIGHTED',
  weights: { human: 0.4, verified: 0.35, established: 0.25 },
  compositeThreshold: 60,
})

const result = await cred.evaluate({
  walletAddress: '0x...',
  policy: 'reputation',
  includePricing: true,
  basePriceUsdc: 0.01,       // Your full price
})

console.log(result.priceMultiplier)    // 0.25 (verified tier)
console.log(result.suggestedPriceUsdc) // 0.0025

const result = await cred.evaluate({
  walletAddress: '0x...',
  policy: 'standard',
  includeReputation: true,    // Enabled by default
})

if (result.reputation) {
  console.log(result.reputation.settlementRate)    // 0.95
  console.log(result.reputation.totalEvaluations)  // 47
  console.log(result.reputation.riskFlags)          // []
}

import { CredClient, CredAPIError } from '@cred-protocol/sdk'

try {
  const result = await cred.evaluate({ walletAddress: '0x...', policy: 'standard' })
} catch (err) {
  if (err instanceof CredAPIError) {
    console.log(err.status) // 401, 429, etc.
    console.log(err.body)   // Error details
  }
}

import { x402ResourceServer } from '@x402/core/server';
import { registerCredKya } from '@cred-protocol/sdk';

const server = new x402ResourceServer(facilitatorClient).register('eip155:8453', exactEvmScheme);
registerCredKya(server, { apiKey: process.env.CRED_API_KEY! });

registerCredKya(server, {
  apiKey: process.env.CRED_API_KEY!,
  policy: {
    review: 'accept',              // or 'refuse', or (profile, context) => boolean
    refuseFlags: ['K02', 'K03'],   // review flags that always refuse
    noAgent: 'screen',             // plain wallets: OFAC screen (1 CU) | 'refuse' | 'accept'
    onError: 'accept',             // Cred unavailable or slow: 'accept' | 'refuse'
  },
  timeoutMs: 1500,                 // wait this long for the profile
  onDecision: (decision) => audit.write(decision), // verdict, flags, lists checked
});