# Invoice Ninja AI agent for Slack & Microsoft Teams

Viktor is an AI employee that connects to Invoice Ninja with a scoped API key and helps you create invoices and manage recurring subscription billing the way a teammate would. Ask in plain English in Slack or Microsoft Teams; Viktor does the work in Invoice Ninja and reports back. Setup takes about two minutes.

- Tool: Invoice Ninja
- Category: Finance & Payments
- Connection: API key
- Works from: Slack and Microsoft Teams
- Page: https://viktor.com/integrations/invoice-ninja

## What can you ask Viktor to do in Invoice Ninja?

- "Send this month's invoices in Invoice Ninja to the customers on this list."
- "Find the customers in Invoice Ninja with a failed subscription payment and draft outreach."
- "Watch Invoice Ninja for a canceled subscription and alert me with the reason if given."
- "Pull this month's recurring revenue from Invoice Ninja and post it every month."

## What can Viktor do in Invoice Ninja?

Viktor works with Invoice Ninja through a managed connector to help you create invoices and manage recurring subscription billing: describe the task in plain English and Viktor figures out the right Invoice Ninja calls, runs the work, and reports back.

## How does Viktor work with Invoice Ninja?

1. Add Viktor to Slack or Microsoft Teams.
2. Connect Invoice Ninja with an API key - Viktor handles authentication.
3. Ask in plain English. Viktor runs the Invoice Ninja actions, chains them with your other tools when needed, and reports back. Sensitive actions wait for your approval.

## What is a Invoice Ninja AI agent?

A Invoice Ninja AI agent is an AI that connects to your Invoice Ninja account and completes work in it - it doesn't just answer questions about Invoice Ninja, it takes the actions. Viktor is that agent: an AI employee that works in Invoice Ninja on your behalf and delivers the finished result in Slack or Microsoft Teams.

Unlike workflow builders such as Zapier or Make, there is nothing to configure - no triggers to map, no workflows to maintain. You describe the outcome in plain English, and Viktor picks the right Invoice Ninja actions, chains them with the other 3,200+ tools it connects to, and asks for approval before anything sensitive runs.

### About Invoice Ninja

Open-source online invoicing app for freelancers & businesses

## Security and permissions

- Scoped API keys - Viktor stores your key securely, uses only the scopes you grant, and you can revoke it at any time.
- Review-first approvals: sensitive Invoice Ninja actions wait for your sign-off before they run.
- Isolated compute per team, encrypted in transit and at rest - and your data is never used to train models.
- SOC 2 Type 1 compliant, with Type 2 and ISO 27001 in progress.

## FAQ

### Does Viktor integrate with Invoice Ninja?

Yes. Invoice Ninja is one of the 3,200+ tools Viktor connects to, via a managed connector. Once connected, anyone on your team can put Viktor to work in Invoice Ninja from Slack or Microsoft Teams - no workflow builder, no code.

### How do I connect Invoice Ninja to Viktor?

Ask Viktor in Slack or Microsoft Teams to connect Invoice Ninja, then paste an API key from your Invoice Ninja account when prompted. Viktor stores the key securely, uses only the scopes you grant, and you can revoke it at any time. Setup takes about two minutes.

### What can Viktor do in Invoice Ninja?

Viktor works with Invoice Ninja through a managed connector to help you create invoices and manage recurring subscription billing: describe the task in plain English and Viktor figures out the right Invoice Ninja calls, runs the work, and reports back with the result in Slack or Microsoft Teams.

### Do I need to build workflows to automate Invoice Ninja?

No. Viktor isn't a workflow builder - there are no triggers to map and no workflows to maintain. You ask for the outcome in plain English in Slack or Microsoft Teams, and Viktor decides which Invoice Ninja actions to take, runs them, and reports back.

### Is my Invoice Ninja data secure with Viktor?

Yes. Viktor connects to Invoice Ninja with a scoped API key, runs in an isolated environment per team, and never trains models on your data. Sensitive actions wait for your approval, and you can revoke access at any time. Viktor is SOC 2 Type 1 compliant, with Type 2 and ISO 27001 in progress.

### How much does the Invoice Ninja integration cost?

Nothing extra - every integration, including Invoice Ninja, is available on every plan. You can start free with up to $100 in credits, no credit card required; paid plans start at $50/month.

### Can Viktor use Invoice Ninja together with my other tools?

Yes - that's the point. Viktor connects to 3,200+ tools and works across them in a single run: it can pull data from Invoice Ninja, cross-reference it with another tool - for example Slack or Gmail, and deliver the finished result in Slack or Microsoft Teams.

## Viktor uses Invoice Ninja together with

- [Slack](https://viktor.com/integrations/slack)
- [Gmail](https://viktor.com/integrations/gmail)
- [Google Sheets](https://viktor.com/integrations/google-sheets)
- [HubSpot](https://viktor.com/integrations/hubspot)
- [Notion](https://viktor.com/integrations/notion)
- [Salesforce](https://viktor.com/integrations/salesforce)

## More Finance & Payments integrations

- [Customer.io](https://viktor.com/integrations/customer-io-2)
- [QuickBooks Sandbox](https://viktor.com/integrations/quickbooks-sandbox)
- [Bitget](https://viktor.com/integrations/bitget)
- [Xero](https://viktor.com/integrations/xero)
- [Xero Accounting](https://viktor.com/integrations/xero-accounting)
- [Stripe](https://viktor.com/integrations/stripe)
- [Baremetrics](https://viktor.com/integrations/baremetrics)
- [QuickBooks](https://viktor.com/integrations/quickbooks)

## Get started

Viktor is free to start - up to $100 in credits, no credit card required. All 3,200+ integrations are included on every plan. Sign up at https://viktor.com or browse all integrations at https://viktor.com/integrations.
