n8n

Best For

• Workflow automation with minimal custom code
• No-code / low-code certification pipelines
• Automated reports with verifiable AI outputs
• Customer-facing workflows requiring audit trails
• Compliance pipelines that need tamper-evident records

Overview

NexArt integrates with n8n workflows via the standard HTTP Request node. When an AI step produces output, the HTTP Request node sends the execution data to the NexArt API and returns a verificationUrl linking to the public verification portal.

This is the recommended path if your AI logic already runs inside n8n workflows.

How It Works

1. An AI step produces output (text, image, or structured data).
2. The HTTP Request node sends it to POST /v1/cer/ai/certify. NexArt creates a CER, signs it via the attestation node, and returns a verificationUrl.
3. Store, share, or pass the verificationUrl to downstream steps.

Configuration

Set your API key as a Bearer token credential in the HTTP Request node:

NEXART_API_KEY=your-api-key

Quick Demo

1. Start n8n

npx n8n

Open the editor at http://localhost:5678.

2. Create a workflow

Add a Manual Trigger followed by an HTTP Request node:

Request body:

{
  "executionId": "n8n-demo-001",
  "provider": "openai",
  "model": "gpt-4o-mini",
  "input": {
    "messages": [
      {
        "role": "user",
        "content": "Should this automated report be approved?"
      }
    ]
  },
  "output": {
    "decision": "approve",
    "reason": "policy_passed"
  },
  "metadata": {
    "projectId": "demo",
    "appId": "n8n-demo"
  }
}

3. Execute and verify

Run the workflow. The API returns a CER with a verification link:

{
  "verificationUrl": "https://verify.nexart.io/e/n8n-demo-001",
  "certificateHash": "sha256:...",
  "receipt": { ... },
  "signatureB64Url": "..."
}

Attestation data lives at meta.attestation in the CER bundle.

Open the verificationUrl to confirm the record at verify.nexart.io.

Use Cases

• Certify AI-generated content in automated publishing pipelines
• Attach verification links to customer-facing reports
• Create audit trails for AI decisions in compliance workflows
• Store verifiable records alongside workflow outputs

Official Example Repo

github.com/artnames/nexart-n8n - runnable integration example for n8n workflows.

Next Steps

• Verification: understand how CER verification works
• Examples: copy-ready API requests and response shapes
• LangChain: for teams moving from workflow automation into code