Connect your stack
27 native integrations. 3,200+ tools via managed connectors. Most are one-click OAuth, some use API keys - Viktor handles auth and starts working. No webhooks, no Zapier zaps.
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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.
Free to start · No credit card · SOC 2 Type 1 · Works in Slack & Microsoft Teams
Messages you'd actually send. Paste one into Slack or Microsoft Teams, swap in your specifics, and Viktor takes it from there.
“Send this month's invoices in Invoice Ninja to the customers on this list.”
— you, in Slack or Teams
“Find the customers in Invoice Ninja with a failed subscription payment and draft outreach.”
— you, in Slack or Teams
“Watch Invoice Ninja for a canceled subscription and alert me with the reason if given.”
— you, in Slack or Teams
“Pull this month's recurring revenue from Invoice Ninja and post it every month.”
— you, in Slack or Teams
Connect Invoice Ninja, then just ask. Viktor works with it through a managed connector the way a teammate would - helping you create invoices and manage recurring subscription billing: describe the task in plain English, and Viktor figures out the calls, runs the work, and reports back in Slack or Microsoft Teams.
27 native integrations. 3,200+ tools via managed connectors. Most are one-click OAuth, some use API keys - Viktor handles auth and starts working. No webhooks, no Zapier zaps.
Message Viktor in Slack like you'd message a teammate. "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." Plain English, any tool.
Viktor opens Invoice Ninja, runs the work, and posts back what changed. Sensitive actions wait for your approval. Everything is logged. You stop doing the work and start reviewing it.
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.
Open-source online invoicing app for freelancers & businesses
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.
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.
Ask for outcomes that span tools — Viktor pulls from Invoice Ninja, cross-references the rest of your stack, and delivers one finished result.
Viktor connects to 3,200+ tools and works across them in a single run.
