Documentation

Docs for everyone

B2Brouter
documentation.

From your first invoice to advanced integrations — manuals, guides, use cases, and resources in one place.

Explore the user guide

Check the developer resources

50+countries supported

22+invoice formats

Peppolaccess point since 2012

InvoiceF-2026-0418

Factur-X/ZUGFeRD

Total€ 1,248.50

InvoiceF-2026-0419

UBL 2.1

Total€ 1,248.50

send-invoice.sh

# Create a draft invoice
curl https://api.b2brouter.net/accounts/{ACCOUNT_ID}/invoices \
-u {API_KEY}: \
-H ‘Content-Type: application/json’ \
-d ’{
  “invoice”: {
    “contact_id”: {CONTACT_ID},
    “invoice_lines_attributes”: [{
      “description”: “Consulting services”,
    }]
  }
}’
↳ 201 Created

Start here

Set up your account and start invoicing

See the user guide

Account set-upSet up your payment method, add a logotype, activate reception via email, enable tax reporting if needed, and configure your Peppol network access.

Send & receive

Day-to-day invoicing

Send invoicesCreate and send via any network.Receive invoicesManage statuses from your inbox.Manage contactsClients & suppliers, with routing.

Tax reporting & B2G

Route to the right authority

VerifactuAgencia TributariaSpain · Tax reportDGFiP e-invoicing and tax reportingDirection Générale des Finances PubliquesFrance · Tax reportKSeFKrajowa Administracja Skarbowa (KAS)Poland · Tax reportSIIAgencia TributariaSpain · Tax reportTBAIHacienda ForalSpain · Tax report

SDIAgenzia delle EntrateItaly · Tax reportPeppolInternational networkInternational · B2BChorus ProFrench public administrationsFrance · B2GFACeSpanish General Point of EntrySpain · B2GeFACTCatalan General Point of EntryCatalonia · B2G

For developers

Integrate without rewriting your stack.

See all developer resources

Get started with the B2Brouter APIAuthenticate and POST your first invoice.SandboxIntegrations in a secure environment.SDKStart integrating with our PHP library.GuidesStep-by-step integration guides.Use CasesFind the right use case for your needs.Integrate without codeNo-code integration options based on file transfer.

send-invoice.sh

# Create a draft invoice
curl https://api.b2brouter.net/accounts/{ACCOUNT_ID}/invoices \
-u {API_KEY}: \
-H ‘Content-Type: application/json’ \
-d ’{
  “invoice”: {
    “contact_id”: {CONTACT_ID},
    “invoice_lines_attributes”: [{
      “description”: “Consulting services”,
      “quantity”: “1”,
      “price”: “100”,
      “taxes_attributes”: [{ “name”:“VAT”,“category”:“S”,“percent”:“21”}]
    }]
  }
}’
↳ 201 Created

Tools

Build with confidence

Invoice field mapperJSON to UBL, CII, FatturaPA, Facturae or KSeF.Code listsDocument types, transport types, ID schemes, and much more.Document validatorCheck that your invoice parses.Need help?Open a support ticket →