Mater Imperium Developers

Integrate with Mater Imperium fiscal solutions

Guides, API reference and credentials for outbound and inbound fiscal documents, tax assessment and filing automation.

The fiscal cycle, end to end

Pick the stage your integration works on.

OutboundAuthorize, query and manage events of Brazilian electronic fiscal documents.NF-e · NFC-e · NFS-e · CT-e · CT-e OS · MDF-e · NFCom · NFAg · NF-e ABI
InboundSync inbound documents and events and reconcile them with your ERP.NF-e · CT-e · NFS-e
AssessAssess CBS and IBS with reconciliation across government, documents and ERP.Assisted Assessment · RTC Calculator
AutomationAutomate validation, signing and transmission of your tax filings.RocketPVA (SPED) · REINF

Your first call in 3 steps

1Create an API keyIn IAM, generate a client_id and client_secret for your company, one per environment.
2Get a tokenExchange the credentials for an access token using the client_credentials grant.
3Make your first callSend the token in the Authorization header to authorize an NF-e.

# 2. Get a token
curl -X POST 'https://<api-host>/api/integration/auth/token' \
  -H 'Content-Type: application/x-www-form-urlencoded' \
  -d 'grant_type=client_credentials' \
  -d 'client_id=SEU_CLIENT_ID' \
  -d 'client_secret=SEU_CLIENT_SECRET'

# 3. Authorize an NF-e
curl -X POST 'https://<api-host>/api/integration/dfe/55/autorizacao' \
  -H 'Authorization: Bearer SEU_ACCESS_TOKEN' \
  -H 'Accept: application/vnd.materimperium.api.v1+json' \
  -H 'Content-Type: application/json' \
  -d @nfe.json