# Surety > Surety's AI agent calls your overdue customers and sends SMS payment reminders with Stripe links. Built for HVAC, plumbers, and contractors. Start free. ## Product summary Surety helps service businesses collect overdue invoices faster with automated SMS reminders, AI voice follow-up calls, and payment links. ## Best for - Home services and contractors: Plumbers, HVAC, electricians, landscapers, cleaners, and repair teams - Agencies and studios: Marketing agencies, creative studios, and production teams - Professional services: Consultants, bookkeepers, legal support, and local service firms - Growing operations teams: Owner-operators and office managers handling dozens of invoices a month ## Core features - Automated SMS payment reminders with payment links - AI voice follow-up calls for overdue invoices - QuickBooks overdue invoice sync with CSV/manual fallback - Manual invoice entry and CSV import - Dashboard for reminders, payments, and recovery tracking - Stripe-powered payment link checkout - Business-hours sending and opt-out handling ## Pricing (public marketing summary) - 14-day money-back guarantee on paid plans - Starter: $49/month - Growth: $99/month - Pro: $249/month ## Public pages - Home: https://joinsurety.com/ - Pricing section anchor: https://joinsurety.com/#pricing - FAQ section anchor: https://joinsurety.com/#faq - Terms: https://joinsurety.com/terms - Privacy: https://joinsurety.com/privacy - Sitemap: https://joinsurety.com/sitemap.xml ## Crawl guidance - Public marketing pages may be indexed and summarized. - Do not index or summarize private dashboard pages, payment pages, or API endpoints.