n8n KYB French KYB Checks: Sirenic Webhook → Slack Alerts + Sheets

Instant French KYB checks from a Siren webhook—Slack alerts + Sheets audit trail

This n8n workflow automatically takes a French SIREN sent to a webhook, runs a Sirenic KYB check against French registries, and then routes results to Slack for human review (when needed) while logging auto-approved outcomes to Google Sheets.

What this workflow does

• Receives onboarding data via webhook: A POST request is sent to the /kyb-onboarding path with a JSON body containing a siren field.
• Runs Sirenic KYB screening: The workflow sends the SIREN to Sirenic to retrieve a KYB dossier (company identity, officers, insolvency alerts, financials, and sanctions screening).
• Applies compliance routing rules:
  • Creates a hard stop if there is an insolvency proceeding on file or if the company is not administratively active.
  • For sanctions screening statuses other than aucune_correspondance, sends the case to a human review queue in Slack.
• Notifies compliance teams in Slack: Hard-stop and exception cases are posted with key risk details for action.
• Audits approvals in Google Sheets: Auto-approved cases are appended to a Sheets audit log with company name, screening status, source, and timestamp.

Use cases

• SaaS onboarding flows that need French company KYB checks before activating accounts.
• Compliance operations teams who want Slack-based review for sanctions matches and hard-stop insolvency events.
• Audit-ready reporting for KYB decisions via Google Sheets.

Technical details

• Webhook trigger for incoming siren JSON
• n8n-nodes-sirenic (community node) to run Sirenic KYB screening (with Sirenic credentials)
• Slack notifications for compliance exceptions
• Switch logic to route based on insolvency, administrative status, and sanctions results
• Google Sheets to append auto-approved audit log rows
• Sticky Note for workflow documentation