Support

Need help connecting your account, using the app, or understanding why a document was rejected? Write to us.

What support covers

Connecting and authorizing an account, including through the ChatGPT plugin.
Using the tools: issuing, consulting, cancelling and reissuing NFS-e.
Issuance errors, including reading the rejection the tax authority returned.
Digital certificate, company registration and the homologation environment.

Response time

We answer within two business days. There is no phone line and no live chat.

What helps us answer faster

Include the company's CNPJ, the invoice id (or its access key), the environment — homologation or production — and the error message exactly as it appeared. Never send your certificate password or your API key.