✦Software for selling in Brazil

Tools for people who sell and invoice on marketplaces

Tentoni Labs was born from running a real online store. What we solve every day (invoicing, shipping labels, orders) becomes a product for other sellers.

Our products

Each one solves a part of the daily routine of selling online.

Tentoni FiscalAvailable

Tentoni Fiscal

Tax infrastructure for your software

Issue Brazilian NF-e and NFC-e invoices through a simple API. We handle the SEFAZ integration, digital certificates, technical notes and the tax reform: your system just sends the sale.

Etiqueta UnificadaAvailable

Etiqueta Unificada

One label, one print

Merge the marketplace shipping label with the simplified DANFE footer (the invoice access key) into a single 100×150 mm PDF, ready for a thermal printer.

Tentoni ERPComing soon

Tentoni ERP

ERP for sellers on multiple marketplaces

Orders from every channel in a single queue, with invoicing, shipping labels and stock in one place. It already runs a real store; we are preparing access for other sellers.

Built for the marketplaces you use

Channels supported across our products.

  • Mercado Livre
  • Magalu
  • Amazon
  • Shein
  • TikTok Shop
  • Nuvemshop
  • Shopee Coming soon

Built by sellers

Tentoni Labs started from a problem of our own: issuing invoices in a real operation, every day, and not finding an API that was both honest on price and clear on documentation.

We run a store on several marketplaces. Each product began as a tool we needed ourselves, and only reaches the catalog after running in our own operation.

Let's talk?

Tell us what you sell and where. We reply by e-mail.

contato@tentonilabs.com.br