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B1Link ERP Integration Gateway

Welcome to the B1Link ERP Integration Gateway documentation. This guide is designed for external ERP systems that need to integrate with B1Link to send back vendor numbers assigned during the supplier onboarding process.

Overview​

When a supplier completes onboarding in B1Link and your ERP system needs to assign a vendor number, you must send that vendor number back to B1Link using the API endpoint documented here. This allows B1Link to track the vendor number assignment and complete the onboarding workflow.

Vendor Number Assignment Flow​

Quick Start​

Fastest path to a working integration

Integrate in 5 minutes — Generate an API key, configure your webhook, and receive your first event.

  1. Overview — What the integration does and how data flows
  2. 5-Minute Integration — Three steps to validate your connection
  3. API Keys — Generate and store your key
  4. Webhook receiver — Set up the endpoint that receives onboarding data
  5. Send vendor numbers back — API endpoint and signature

Use the sidebar to follow Authentication → Webhooks → ERP Integration → Testing & Validation → Production Readiness.

When This Endpoint is Called​

This API endpoint is called by your ERP system after you have:

  • Received the onboarding request from B1Link (via your webhook receiver endpoint)
  • Processed the supplier information
  • Assigned a vendor number in your ERP system

Need Help?​

For additional support or questions about the integration:

  • Contact your B1Link administrator
  • Refer to the B1Link portal documentation
  • Check the B1Link support portal

Document Version: 1.0 Last Updated: 06 Jan 2026
API Version: v1