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FastBill integration

Invoicing and accounting for freelancers and small businesses: create and look up customers, prepare draft invoices and find invoices. It never completes, sends, cancels or marks invoices as paid.

Accounting and finance2 triggers · 7 actions
Connect FastBill freeSee what you can automate

Build it by describing it

Type a sentence like this and the copilot builds, validates and simulates the workflow.
When “New Customer” happens in FastBill, check the details with AI, then “Create Customer” and tell my team in Slack.
  • Simulated before it goes live
  • Fixes proposed when something breaks
  • One credit per run

Triggers

Start a workflow when this happens
  • WHEN
    New Customer

    Triggers instantly when a customer is created in FastBill.

  • WHEN
    New Invoice

    Triggers instantly when an invoice (including a draft) is created in FastBill.

Actions

Then Calibra can do this for you
  • DO
    Create Customer

    Creates a business or private customer in FastBill with contact details and address. Bank details aren't set here.

  • DO
    Get Customer

    Gets a FastBill customer by its ID, with contact details and address.

  • DO
    Find Customers

    Searches your FastBill customers by keyword (name, company, address, email or tags), customer number, country or city.

  • DO
    Create Draft Invoice

    Creates an invoice draft in FastBill for a customer, with its line items. It isn't completed or sent: review and finish it yourself in FastBill.

  • DO
    Get Invoice

    Gets a FastBill invoice or draft by its ID, with its totals, dates and line items.

  • DO
    Find Invoices

    Lists FastBill invoices filtered by customer, type (draft, invoice, cancellation), invoice number or invoice date range.

  • DO
    Custom FastBill API Request (read-only)

    Calls any FastBill read service (ending in ".get", for example "article.get" or "project.get") with your own filter. FastBill only accepts POST requests, so this action allows read services only: it can't create, complete, send, cancel or pay anything.

Questions

Is the FastBill integration free?

Yes. FastBill is available on every Calibra plan, including the free plan, which needs no card.

How is FastBill usage billed?

Calibra charges one credit per workflow run, however many steps it has. Steps that read from or write to this app do not cost extra.

Can I connect FastBill without writing code?

Yes. Describe the process in plain words and the AI copilot builds the workflow with FastBill for you. You can also use templates or the visual editor.

Describe your first process. Watch it run today.

Free plan, no card. One credit per run, however many steps it has.

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