n8n Supplier Risk Checks: Bright Data + GPT + Slack Approval

Instant Supplier Risk Checks—Powered by Bright Data, GPT, and Human Approval in Slack

This n8n workflow automatically assesses supplier and invoice risk by pulling live website and search signals with Bright Data, generating a plain-language verdict using OpenAI (GPT-5.6), and then sending a Slack approval request to confirm whether to proceed or block. The outcome is logged to an n8n Data Table.

What this workflow does

• Collects inputs from an n8n form submission: supplier name, known website, invoice email domain, amount, and requester.
• Normalizes domains (website and invoice domain) and builds a complaint-search query.
• Bright Data Web Unlocker checks the supplier website to extract basic trust signals such as terms/privacy links, contact details, address, and registration identifiers.
• Bright Data SERP complaint search runs a Google complaint lookup and scores how often result titles mention fraud, scams, or lawsuits (while ignoring the supplier’s own domain).
• Lookalike domain detection: Bright Data Web Unlocker fetches the invoice domain (or uses the supplier site if none is provided) and compares it to the known website using edit distance.
• Generates a risk score and reasons by combining the three checks into a weighted 0–100 score.
• Uses OpenAI (GPT-5.6) to write a short verdict in plain language based only on the captured findings.
• Human gate in Slack: sends a “send and wait” approval request in the payments channel, records the decision to an n8n Data Table, and posts confirmation to the appropriate Slack channel.

Use cases

• Pre-approval supplier onboarding before invoice payments.
• Risk screening when a new invoice email domain appears (possible lookalike domains).
• Automated compliance triage for teams that need audit-ready decisions in Slack.

Technical details

• Inputs/logic: if, set, code, merge
• Data storage: n8n Data Table
• Approvals: Slack “send and wait”
• Risk signals: Bright Data Web Unlocker + Bright Data SERP
• Verdict generation: OpenAI GPT-5.6