JustInvoice
Create and manage invoices with JustInvoice API
Connect it
In Keystile Automations → Connections → New connection, choose JustInvoice and sign in. Your AI tools and workflows then use it through Keystile; they never see the password or key.How connecting works.
Try it from your AI tool
Using Keystile, in JustInvoice: create invoice (Creates a new invoice in JustInvoice).What it can do (6 actions)
| Action | What it does | Changes data |
|---|---|---|
| Create Invoice | Creates a new invoice in JustInvoice | |
| Delete Invoice | Permanently deletes an invoice | |
| Get Invoice | Gets detailed information about a specific invoice | |
| Mark Invoice Cancelled | Marks an invoice currently in final as cancelled | |
| Mark Invoice Final | Marks an invoice currently in draft as final and ready to accept payment | |
| Mark Invoice Paid | Marks an existing final invoice as paid |
How Keystile protects it
Every JustInvoice action is checked before it runs, whether it comes from an AI tool or a workflow.your rules, limits and budgets decide whether each is allowed, held for a person or stopped, and it all goes into the signed record.
Use JustInvoice with your AI assistant — safelyClaude, Cursor or ChatGPT do the work; Keystile checks every action first.
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