wLumen
Brazilian fiscal issuance without intermediaries.
A unified API for NF-e, NFS-e and NFC-e, with certificate handling, contingency flows and white-label delivery for software vendors.
Each feature was designed from a real production problem.
Unified invoice models
NF-e, NFS-e and NFC-e under the same engine and SDK.
Certificate handling
Encrypted tenant vault for A1 certificates, with expiration alerts and safe rotation.
Automatic contingency
Fallback routes when tax authorities are unavailable.
White-label for ISVs
Your brand, your URL and your customer experience.
Predictable fixed cost
Volume-based plans instead of charging per issued invoice.
Compliance updates
Schemas and fiscal layouts updated as regulation changes.
An adoption process designed for teams that cannot waste time.
- 01
Configure issuer data
CNPJ, state registration, certificate and environment through the panel.
- 02
Connect your application
REST API and sandbox keys available from the start.
- 03
Issue in production
Asynchronous, idempotent transmission with authorized XML and document events through webhooks.
- 04
Monitor with webhooks
Statuses, cancellations and contingency events in real time.
Questions about wLumen? We answer the most common ones here.
Does wLumen support all Brazilian states?
The roadmap targets national NF-e coverage and the largest NFS-e municipalities.
How does white-label work?
You use the fiscal engine behind your brand, subdomain and customer experience.
What happens if the tax authority is down?
The system routes to contingency strategies or queues events for retry when service returns.
Ready to put wLumen in orbit?
Talk to our team. We will respond within 1 business day with an initial proposal.