Cross-System Onboarding Pipeline
Secure webhook-based automated customer onboarding between two separate Firebase projects — with HMAC-SHA256 verification and instant account provisioning.
What you're watching
This animated walkthrough shows how a signup on one system automatically provisions a complete customer workspace in a separate system — with cryptographic security and zero manual intervention.
Watch the secure webhook flow from signup to instant login.
Key outcomes
The problem
Two separate systems
Landing page and auction platform are entirely different Firebase projects — separate auth, separate databases, separate hosting.
Manual account creation
Every new customer required a human to manually create their account in the main platform after signup.
Onboarding friction
Delays between signup and account availability. Customers wait hours or days to access the platform.
No audit trail
No record of who was onboarded, when, or what was provisioned. No way to debug failed signups.
What we built
Automated webhook
Landing page fires a secure HTTPS POST to the auction platform API on every signup — triggering instant provisioning.
Cryptographic security
Every webhook is signed with HMAC-SHA256. The receiving system verifies the signature against a shared secret before processing.
Full provisioning chain
Company → Branch → Firebase Auth user → Role-based permissions → Subscription → Audit log — all created automatically.
Instant access
New customers can log in to the platform within seconds of completing the signup form. Zero delay, zero friction.
Who this is for
SaaS platforms
Multi-system architectures needing automated user provisioning across separate services.
Marketplace platforms
Platforms where vendors or sellers need accounts provisioned automatically on signup.
Enterprise integrations
Systems requiring secure, auditable webhook-based communication between services.
Need cross-system automation?
We build secure webhook pipelines with cryptographic verification, automated provisioning, and instant customer onboarding.
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