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JustInvoice integration

Create and manage invoices with JustInvoice API

Start building Use JustInvoice with your AI
Actions
6
Triggers
0
Auth
API key
License
MIT, open source
Updated
August 2026

About the JustInvoice integration

Add the JustInvoice piece to a flow, connect your account once, and the rest of the builder can read from it and write to it. Because the piece is open source you can run it on our cloud or self-host it, and combine JustInvoice with 760+ other apps in the same flow.

Actions

Everything Activepieces can do in JustInvoice

Drop any of these into a flow and fill in the fields. No code is required.

  • Create Invoice

    Creates a new invoice in JustInvoice

    14 fields

  • Get Invoice

    Gets detailed information about a specific invoice

    1 field

  • Mark Invoice Final

    Marks an invoice currently in draft as final and ready to accept payment

    1 field

  • Mark Invoice Cancelled

    Marks an invoice currently in final as cancelled

    1 field

  • Mark Invoice Paid

    Marks an existing final invoice as paid

    1 field

  • Delete Invoice

    Permanently deletes an invoice

    1 field

Use JustInvoice in a flow

Connect JustInvoice once and every trigger and action above is yours to drop into the builder, alongside 760+ other apps. Free to start, on our cloud or your own servers.

Build a JustInvoice flowTalk to sales

JustInvoice, answered.

Yes. Activepieces is open source and free to start, and the JustInvoice piece is included on every plan, from the free cloud tier to any self-hosted deployment.

Add the JustInvoice piece to a flow, then authenticate with API key. Once connected, its 0 triggers and 6 actions are available anywhere in the builder.

Connect JustInvoice to any of 760+ other apps and AI steps, then automate the work in between without writing code.

Yes. Activepieces is fully self-hostable, so you can run the JustInvoice piece on your own infrastructure with your connections and your data staying in your environment.

Yes. Every piece you connect can be exposed over one Activepieces MCP server, so Claude, Cursor, Windsurf or any MCP client can call JustInvoice actions as tools.