Apiin: Documentation
Updated:
Connection
REST API and MCP server, API-key auth from the apiin.ru dashboard.
Capabilities
- Invoices and completion acts with auto-numbering; company details filled automatically.
- GOST payment QR code on every invoice.
- Branded PDF export.
- Online payments via YooKassa; "paid" mark set by webhook or manually.
- Email delivery and public document links.
Agent scenarios
"Invoice Romashka LLC 45,000 RUB for consulting and send the link", "close the completion act for invoice #112", "show unpaid invoices for this month".
Pricing
Free to start ("first invoice in a minute"); advanced features on paid plans.