Add Proof to Your Product

import { CertNode } from '@certnode/sdk'

const certnode = new CertNode('sk_live_...')

// Create a cryptographic proof
const proof = await certnode.proofs.create({
  hash: 'sha256:a3f2b8c1d4e5...',
  metadata: {
    title: 'My Document',
    type: 'contract'
  }
})

console.log(proof.id)          // prf_abc123xyz
console.log(proof.verified_at) // 2025-12-24T10:30:00Z
console.log(proof.verify_url)  // certnode.io/verify/prf_abc123xyz

from certnode import CertNode

certnode = CertNode("sk_live_...")

# Create a cryptographic proof
proof = certnode.proofs.create(
    hash="sha256:a3f2b8c1d4e5...",
    metadata={
        "title": "My Document",
        "type": "contract"
    }
)

print(proof.id)          # prf_abc123xyz
print(proof.verified_at) # 2025-12-24T10:30:00Z
print(proof.verify_url)  # certnode.io/verify/prf_abc123xyz