Onsign & FastBill

Give FastBill direct access to your Onsign invoices

GetMyInvoices connects to your Onsign account, downloads new invoices and receipts, and forwards them to FastBill on your behalf.

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Why connect Onsign with FastBill?

GetMyInvoices automatically retrieves your Onsign invoices and delivers them to FastBill. It logs in to your Onsign account for you, fetches every new invoice as a PDF plus structured data, sorts and validates it, and exports it to FastBill booking-ready. One connection covers every Onsign account and recurring billing period.

  • Automatic retrieval to FastBill: connect Onsign once, never log in for an invoice again.
  • Booking-ready in FastBill: the PDF plus the structured data your accounting needs.
  • Built for many accounts: agencies, IT service providers and tax firms in one dashboard.

Over 20,000 businesses rely on GetMyInvoices

From Onsign to FastBill automatically

Three things happen automatically once Onsign is connected, so your invoices reach FastBill without manual work.

1

Retrieves every Onsign invoice

GetMyInvoices logs in to Onsign Cloud and Robot on a schedule and downloads each new invoice for you, including past invoices still available in your account.

2

Captures the data, not just the PDF

Each invoice is read, sorted and enriched with structured fields like invoice number, date, net, gross and VAT, then archived in a GoBD-compliant way.

3

Delivers your invoices to FastBill

Invoices and their data are exported to FastBill, ready for your tax advisor to book. No re-typing, no missing receipts.

Proven performance by GetMyInvoices

10,000+
active portal connections
50+
active integrations
20,000+
customers trust us

''From Onsign login to FastBill in four steps''

Set it up once. After that, every Onsign invoice finds its way into FastBill on its own.

  1. 1

    Connect your Onsign account

    Add Onsign in GetMyInvoices and enter your login once. The connection is stored securely and used only to fetch your invoices.

  2. 2

    Invoices are retrieved automatically

    GetMyInvoices logs in for you on a schedule and downloads every new Onsign invoice as a PDF plus structured data. No manual login required.

  3. 3

    Data is prepared for booking

    Each invoice is sorted, validated and enriched with the fields your accounting needs, then archived in a GoBD-compliant way.

  4. 4

    Export to FastBill

    Invoices and their data are exported to FastBill on your export schedule, ready for your tax advisor to book.

''More than just Onsign invoices -
Connect over 10,000 Portals''

GetMyInvoices connects over 10,000 portals with your accounting software. Instead of managing invoices manually across multiple providers, create a single automated workflow for all incoming documents.

Your Onsign login stays protected

From the Onsign login to the FastBill export, we treat your credentials and your invoices accordingly.

Encrypted, or no password at all

Your Onsign login is stored encrypted and cannot be viewed by GetMyInvoices staff. Prefer to store no password? Bring your Onsign invoices in by email instead, through a dedicated GetMyInvoices inbox.

Hosted in Germany, GDPR

GetMyInvoices is GDPR-compliant and hosted in Germany. All data is transferred over HTTPS.

GoBD-compliant archive

Every Onsign invoice is archived in a GoBD-compliant way, with the original document kept alongside its data.

About Onsign & FastBill

Onsign

Onsign is a platform for digital signatures and contract processing. This generates invoices for services used, which must be recorded in accounting. GetMyInvoices downloads these automatically and saves you the manual effort.

FastBill

FastBill is the integration that receives your Onsign invoices and receipts. GetMyInvoices downloads them automatically and hands them over ready to book — no manual downloading needed.

GetMyInvoices sits between Onsign and FastBill: it downloads the invoice at Onsign and delivers it to FastBill, ready to book.

Frequently asked questions about Onsign, FastBill and GetMyInvoices

Connect your Onsign account in GetMyInvoices once. From then on, GetMyInvoices logs in for you on a schedule and retrieves every new invoice as a PDF plus structured data, without you opening the Onsign console again.

Your Onsign credentials are stored encrypted and cannot be viewed by GetMyInvoices staff. They are used only to retrieve your invoices. GetMyInvoices is GDPR-compliant, hosted in Germany, and transfers all data over HTTPS.

If a login stops working, for example after a password change, GetMyInvoices flags the connection in your dashboard and notifies you. You update the credentials once and automatic retrieval continues.

Yes. You can connect multiple Onsign Cloud and Robot accounts and manage them from one GetMyInvoices dashboard. This is built for agencies, IT service providers and tax firms handling many clients.

To FastBill and more than 50 further integrations such as Lexware Office, sevdesk, Addison, Google Drive and Dropbox. You can also export in formats like CSV, ZUGFeRD and X-Rechnung. Your Onsign invoices arrive booking-ready in the tool your accounting uses.

GetMyInvoices archives your Onsign invoices in a GoBD-compliant way and keeps the original document alongside the extracted data. GoBD-compliant does not mean GoBD-certified; please confirm the specifics for your setup with your tax advisor.

No. You can start retrieving and organizing your Onsign invoices in GetMyInvoices right away. The FastBill export is available once you or your tax advisor connect FastBill. Everything else works without it.

Alongside the original PDF, GetMyInvoices captures the structured fields such as invoice number, date, net and gross amounts and VAT, and passes them to FastBill so your tax advisor can book without re-typing.

Ready to automate your
Onsign invoices?

Try GetMyInvoices with no obligation and start collecting your Onsign invoices automatically, straight into FastBill.

✔ Test without obligation     ✔ No credit card required     ✔ Cancel any time