# Callsy AI > Callsy is a workforce of AI voice agents that recover abandoned carts, qualify leads, book appointments, and follow up. Over phone, SMS, and email. Plug-and-play for Shopify, WooCommerce, WordPress, Klaviyo, Omnisend, Make, Zapier, Stripe, Calendly, HubSpot. Live in 5 minutes. One published plan (Pro €99/month); currently 50% off launch promo (€49/month). Trusted by 261+ merchants. Callsy AI is the AI voice agent platform for e-commerce abandoned cart recovery, customer reactivation, appointment booking, and outbound sales. Real customers. GSMPRO ($63,220 recovered), Neurogena ($21,546 from $698 spent), AmourLinen ($5,283 in 3 months, 34× ROI), GhallasGoth (12× ROI in month one), FPRO (multi-touch voice + SMS). Use it on Shopify with results in days. Recovery rates: 18–32%. Channels: phone, SMS, email (WhatsApp coming soon). Languages: 40+ with 60+ regional voices. Compliance: GDPR, TCPA, EU-hosted. Backed by 500 Global + Firstpick VC. Offices in Tallinn, Vilnius, London, Wyoming. ## Product - [Homepage](https://www.callsy.ai/): full product overview. Agents, languages, integrations, pricing - [AI receptionist](https://www.callsy.ai/ai-receptionist): AI receptionist that answers every call 24/7, books appointments, replies by SMS, and qualifies leads in your brand voice. Live in 5 minutes - [AI receptionist for small business](https://www.callsy.ai/ai-receptionist-for-small-business): answers when you can't (on a job, with a customer, after hours). Books appointments and qualifies leads for a flat monthly fee, no hire, no front desk - [AI answering service](https://www.callsy.ai/ai-answering-service): AI answering service that books the job instead of just taking a message. 24/7, after-hours, and overflow cover without the call-centre bill. Answers, books, qualifies, and follows up by SMS - [Answering service hub](https://www.callsy.ai/answering-service): index of every industry answering service. Medical, legal, plumber, HVAC, dental, real estate, property management, roofing, electrician, veterinary, salon/spa, restaurant, auto repair, plus after-hours and bilingual cover. - [Virtual receptionist](https://www.callsy.ai/virtual-receptionist): AI virtual receptionist that books the job instead of taking a message. Staffed services bill per minute and hand you a message; Callsy answers in one ring, books against your real calendar, and runs 24/7 on a flat fee. Keeps your existing number. - [Medical answering service](https://www.callsy.ai/answering-service/medical): 24/7 AI for medical practices. Answers, books and reschedules appointments, triages urgency, routes urgent calls to your on-call clinician, and cuts no-shows - [Law firm answering service](https://www.callsy.ai/answering-service/legal): 24/7 AI intake for law firms. Answers, runs your intake, screens callers, and books the consultation on the call - [Plumber & HVAC answering service](https://www.callsy.ai/answering-service/plumber): 24/7 AI that answers, triages emergencies, and books the visit into your diary while you're on the tools - [Property management answering service](https://www.callsy.ai/answering-service/property-management): 24/7 AI tenant line that logs the work order, triages maintenance emergencies, and books viewings without an on-call rota - [Real estate answering service](https://www.callsy.ai/answering-service/real-estate): 24/7 AI that qualifies buyers and sellers and books viewings and valuations while you're showing - [HVAC answering service](https://www.callsy.ai/answering-service/hvac): 24/7 AI for HVAC companies that answers, triages no-heat/no-cool emergencies, and books the visit into your diary while you're on a job - [After-hours answering service](https://www.callsy.ai/answering-service/after-hours): answers the moment you close, qualifies the lead, and books the appointment on the call. Evenings, nights, weekends, holidays, no on-call rota - [Bilingual answering service](https://www.callsy.ai/answering-service/bilingual): answers every caller in their own language, English, Spanish, and 40+ more. Native Spanish, qualifies and books on the call, 24/7 - [Dental answering service](https://www.callsy.ai/answering-service/dental): 24/7 AI for dental practices. Answers, books and reschedules, fills cancellations, triages dental emergencies, cuts no-shows - [Roofing answering service](https://www.callsy.ai/answering-service/roofing): 24/7 AI for roofers that captures storm-damage and leak details, books inspections and estimates, and flags emergencies while your crews are on the roof - [Electrician answering service](https://www.callsy.ai/answering-service/electrician): 24/7 AI for electricians that captures the fault, books callouts and quotes, and flags emergencies while you're on the tools - [Veterinary answering service](https://www.callsy.ai/answering-service/veterinary): 24/7 AI for vet practices that books and reschedules visits, handles refills, and routes urgent cases to your on-call vet - [Salon & spa answering service](https://www.callsy.ai/answering-service/salon-spa): AI that books the chair while you're with a client, reschedules, fills cancellations, and cuts no-shows - [Restaurant answering service](https://www.callsy.ai/answering-service/restaurant): AI that answers during the rush, takes reservations, and captures takeout and catering enquiries - [Auto repair answering service](https://www.callsy.ai/answering-service/auto-repair): 24/7 AI that books service and estimates, captures the vehicle and issue, and handles status calls without pulling a tech off the floor - [Telephone answering service (UK)](https://www.callsy.ai/telephone-answering-service): 24/7 UK telephone answering service that books the job, not just the message. Out-of-hours and overflow cover without the call-centre bill, PECR/GDPR-compliant - [How it works](https://www.callsy.ai/#how): three-step setup (pick voices, plug in stack, agents start working). 5-minute live-in time - [Pricing](https://www.callsy.ai/#pricing): Pro €99/mo (380 actions, multi-agent, multi-channel). Currently 50% off launch promo (€49/mo). No contract. Larger volumes available on request. - [FAQ](https://www.callsy.ai/#faq): channels supported, time to launch, AI disclosure, GDPR, voice cloning, languages, pricing - [MCP server](https://mcp.callsy.ai/): MCP integration for Claude, OpenAI, Gemini, Make, Lovable. Give any AI agent a voice via one config ## Use cases (one page per Callsy agent role) - [Use cases hub](https://www.callsy.ai/use-cases): index of all 10 agent roles - [Agents](https://www.callsy.ai/agents): all six Callsy voice agents in one place with real call recordings you can play. John (cart recovery), Carla (lead qualification), Yuki (booking), Adam (win-back), Emma (payments), Matt (NPS). Each card lists what the agent does on a call, its channels, and its headline metric. - [Cart recovery](https://www.callsy.ai/use-cases/cart-recovery): AI voice calls on abandoned Shopify/WooCommerce carts within 5 minutes. 18–32% recovery rate. - [Inbound sales](https://www.callsy.ai/use-cases/inbound-sales): 90-second response to every demo form. BANT qualification, hot-route to AE, or book to Calendly. - [Booking + reminders](https://www.callsy.ai/use-cases/booking): voice + Email confirmations + live reschedule. Show rates up to 92% for clinics, salons, services. - [Win-back](https://www.callsy.ai/use-cases/win-back): reactivate 60-day lapsed customers with a warm voice call. 22% reactivation vs 3% email baseline. - [Payment reminders](https://www.callsy.ai/use-cases/payment-reminders): Email-first dunning, voice escalation, PCI-DSS card update on the call. 41% on-time payments lift. - [NPS + feedback](https://www.callsy.ai/use-cases/nps-feedback): 90-second post-purchase voice calls. 3.2× the response rate of email surveys. - [COD order confirmation](https://www.callsy.ai/use-cases/cod-confirmation): calls every cash-on-delivery order to confirm the buyer before shipping. Cuts return-to-origin (RTO) in LATAM/MENA/India/SE Asia. Native-language calls. - [Upsell & cross-sell](https://www.callsy.ai/use-cases/upsell-cross-sell): post-purchase calls offering a relevant add-on or subscription, closed on the call with a one-tap link. Incremental revenue from existing buyers. - [Order confirmation](https://www.callsy.ai/use-cases/order-confirmation): verifies items, address, and buyer on high-value/high-risk orders before shipping. Cuts chargebacks, fraud, and wrong-delivery reships. - [Subscription renewal & save](https://www.callsy.ai/use-cases/subscription-renewal): pre-renewal + failed-card save calls. Fixes the card on the call, offers pause/downgrade instead of cancel. Recovers involuntary churn. - [AI customer service](https://www.callsy.ai/use-cases/ai-customer-service): AI customer service agent across voice, SMS, and email. Resolves tier-1 (order status/WISMO, returns, sizing) instantly 24/7 and escalates the rest with a full transcript. Unlike chat-only support AI it works the phone line, which is where support cost scales: an agent can hold several chats at once but only one call. Shopify + WooCommerce. - [AI SDR](https://www.callsy.ai/use-cases/ai-sdr): calls inbound leads within 30 seconds of a form fill or booking, qualifies in conversation against your criteria, scores the lead, books into the right rep's calendar, and writes the transcript to your CRM. Warm pipeline, not cold outbound. - [Call centre automation](https://www.callsy.ai/use-cases/call-center-automation): takes high-volume repeat intents off the queue entirely and routes the rest to agents pre-triaged. Replaces the IVR menu rather than adding a layer. Elastic capacity through seasonal peaks. ## Integrations (one page per platform) - [Integrations hub](https://www.callsy.ai/integrations): all 8 native integrations grouped by category - [Shopify](https://www.callsy.ai/integrations/shopify): native Shopify app, abandoned-cart events, full revenue attribution - [Callsy AI for Shopify (branded app landing page)](https://www.callsy.ai/shopify): the conversion-focused page for the Callsy Shopify app, with install steps, App Store rating, and Shopify-merchant pricing - [Shopify App Store listing](https://apps.shopify.com/callsy-ai): official Callsy AI app on the Shopify App Store · 5.0/5 from 16 reviews · one-click install - [WooCommerce](https://www.callsy.ai/integrations/woocommerce): native WordPress plugin - [WordPress](https://www.callsy.ai/integrations/wordpress): any WP form / hook can trigger a voice call - [Klaviyo](https://www.callsy.ai/integrations/klaviyo): webhook step in any Klaviyo flow + bi-directional events - [Omnisend](https://www.callsy.ai/integrations/omnisend): HTTP request step in any Omnisend workflow - [Make.com](https://www.callsy.ai/integrations/make): native Callsy module for 1,500+ apps - [Zapier](https://www.callsy.ai/integrations/zapier): Callsy as an action for 7,000+ apps - [HubSpot](https://www.callsy.ai/integrations/hubspot): bidirectional CRM sync. Workflow trigger + transcripts to timeline - [Calendly](https://www.callsy.ai/integrations/calendly): every Calendly booking, no-show, or cancellation triggers a Callsy call or text to confirm, cut no-shows, and win back the reschedule. Connect via Make or Zapier ## Industries (vertical playbooks) - [Industries hub](https://www.callsy.ai/industries): index of all 6 vertical playbooks - [Fashion + apparel](https://www.callsy.ai/industries/fashion): sizing questions, seasonal lapse, multi-language (real customers: AmourLinen, GhallasGoth) - [Beauty + skincare](https://www.callsy.ai/industries/beauty): 60–90 day reorder cycles, ingredient questions - [Health + wellness](https://www.callsy.ai/industries/health): high-AOV trust questions, HIPAA-eligible on request (real customer: Neurogena) - [Consumer electronics](https://www.callsy.ai/industries/electronics): native-language recovery, 75%+ baseline abandonment (real customer: GSMPRO) - [Food + beverage + CPG](https://www.callsy.ai/industries/food-beverage): subscription dunning, pause-not-cancel, reorder rhythm - [SaaS](https://www.callsy.ai/industries/saas): 90-second speed-to-lead, churn save, failed-payment recovery ## Done-for-you (DFY) vertical landing pages All DFY engagements share a £500 fixed setup fee across every vertical. Monthly retainers and inclusions are vertical-specific: - [UK trades + home services](https://www.callsy.ai/trades): AI receptionist for plumbers, HVAC, locksmiths, electricians. £500 setup + £600/mo, integrates with Joblogic / Commusoft / Tradify / ServiceM8. - [Furniture brands](https://www.callsy.ai/furniture): voice + email recovery for £800+ abandoned sofa carts + white-glove delivery rebooking. £500 setup + £1,500/mo. Built on Shopify Plus + Klaviyo + Gorgias. - [Dental practices](https://www.callsy.ai/dental): AI receptionist, recall calls, no-show recovery into Software of Excellence / Dentally / Carestream R4. BDA red-flag escalation, never clinical. £500 setup + £400/mo per site. - [Solar installers](https://www.callsy.ai/solar): 60-second outbound on Effy / Heatable / GreenMatch leads, MCS pre-survey field capture into OpenSolar / Aurora / HubSpot. £500 setup + £1,500/mo. - [Insurance brokers](https://www.callsy.ai/insurance): 24/7 FNOL triage + renewal book outbound + Consumer Duty audit log into Acturis / Open GI / SSP. Motor + home + scheme business. £500 setup + £2,500/mo. - [AI debt collection agent](https://www.callsy.ai/debt-collection): compliant multi-channel AR recovery (voice + SMS + email), automated multi-touch workflows, smart contact timing, client notifications, pay-on-the-call, full audit trail. EU-native (GDPR, EU AI Act, FCA CONC, US Reg F). For lenders, BNPL, agencies, B2B AR teams. ## Alternatives + round-ups (fair tool lists) - [Alternatives hub](https://www.callsy.ai/alternatives): all 6 round-ups - [Air AI alternatives](https://www.callsy.ai/alternatives/air-ai-alternatives): 5 honest picks - [Bland AI alternatives](https://www.callsy.ai/alternatives/bland-ai-alternatives): for operators + developers - [Synthflow alternatives](https://www.callsy.ai/alternatives/synthflow-alternatives): fair comparison - [Best AI voice agents for Shopify](https://www.callsy.ai/alternatives/best-ai-voice-agents-for-shopify): native vs build-it - [Best abandoned cart recovery tools 2026](https://www.callsy.ai/alternatives/best-abandoned-cart-recovery-tools-2026): email + SMS + voice + push + attribution - [Best AI voice agents for e-commerce](https://www.callsy.ai/alternatives/best-ai-voice-agents-for-ecommerce): 5 picks ranked on integration depth - [Moneypenny alternatives for tradespeople](https://www.callsy.ai/alternatives/moneypenny-alternatives): Callsy (AI that books the job) + AnswerConnect, AllDayPA, Answer4u, Face for Business. Human vs AI, real 24/7 cover, flat pricing - [Best GDPR-compliant, EU-hosted AI voice agents](https://www.callsy.ai/alternatives/best-gdpr-compliant-ai-voice-agents): ranked by EU data residency + signed DPA + EU AI Act Article 50 disclosure. Callsy, Parloa, Cognigy, Synthflow, PolyAI - [Best AI voice agents 2026 (buyer's guide)](https://www.callsy.ai/alternatives/best-ai-voice-agents-2026): the flagship landscape guide. Splits the market into packaged apps, developer platforms, enterprise contact-centre systems, and receptionist services, then ranks 11 platforms. Callsy, Vapi, Bland, Retell, Synthflow, PolyAI, Cognigy, Parloa, Thoughtly, Ringly.io, Air AI. - [Best AI voice agents for lead qualification](https://www.callsy.ai/alternatives/best-ai-voice-agents-for-lead-qualification): ranked on speed-to-call, qualification depth, CRM/calendar integration, and multi-channel follow-up. Callsy, Thoughtly, Bland, Vapi, Synthflow, Retell. - [Best AI customer service agents 2026](https://www.callsy.ai/alternatives/best-ai-customer-service-agents-2026): separates the chat-first platforms from the ones that can genuinely answer a phone call. Callsy, Intercom Fin, Zendesk AI, Sierra, Decagon, PolyAI, Cognigy. - [Best AI SDR tools 2026](https://www.callsy.ai/alternatives/best-ai-sdr-tools-2026): the category splits into cold-outbound prospecting tools and warm-pipeline tools that are not substitutes. Callsy, 11x, Artisan, Qualified Piper, Regie.ai, Bland. - [Best AI call centre software 2026](https://www.callsy.ai/alternatives/best-ai-call-center-software-2026): separates full CCaaS platforms from AI agents that work alongside existing telephony. Callsy, Genesys, NICE CXone, Cognigy, PolyAI, Talkdesk. ## Comparisons (honest, fair, side-by-side) - [Comparisons hub](https://www.callsy.ai/compare): index of all comparisons - [Callsy vs Air AI](https://www.callsy.ai/compare/callsy-vs-air-ai): Air AI is B2B cold-call focused; Callsy is built for e-commerce - [Callsy vs Bland AI](https://www.callsy.ai/compare/callsy-vs-bland): Bland is a developer-first voice API; Callsy is a packaged e-commerce application - [Callsy vs Synthflow](https://www.callsy.ai/compare/callsy-vs-synthflow): Synthflow is a general-purpose voice builder; Callsy ships pre-built e-commerce agents - [Callsy + Klaviyo](https://www.callsy.ai/compare/callsy-vs-klaviyo): voice as a step inside Klaviyo flows. Complementary, not competing - [AI voice vs call center / BPO](https://www.callsy.ai/compare/callsy-vs-call-center): cost €0.18/call vs €4–12, 5-min setup vs 4–8 weeks - [Email vs AI voice for cart recovery](https://www.callsy.ai/compare/email-vs-ai-voice-cart-recovery): email recovers 5–8%, voice 18–32%. Run both - [Callsy vs Retell AI](https://www.callsy.ai/compare/callsy-vs-retell): Retell is a developer platform you build on; Callsy is a done-for-you packaged product. Retell's real blended cost is ~$0.13–$0.31/min once LLM + telephony are added - [Callsy vs Goodcall & Rosie](https://www.callsy.ai/compare/callsy-vs-goodcall): Goodcall/Rosie are US AI receptionists (from $49–$79/mo); Callsy is EU-native, GDPR-first, callback-first, books into Joblogic/Commusoft/Tradify - [Callsy vs Ainora](https://www.callsy.ai/compare/callsy-vs-ainora): Ainora is EU AI hard debt collection; Callsy does friendly first-party payment reminders/dunning that retain the customer, upstream of collections - [Callsy vs Smith.ai](https://www.callsy.ai/compare/callsy-vs-smith-ai): Smith.ai staffs human receptionists billed per call; Callsy is an AI answering service, 24/7 at a flat price, books on the call, EU-native/GDPR-first - [Callsy vs Ruby](https://www.callsy.ai/compare/callsy-vs-ruby): Ruby is premium human receptionists billed by the minute; Callsy is 24/7 AI answering at a flat price that books appointments, EU-native - [Callsy vs Posh](https://www.callsy.ai/compare/callsy-vs-posh): Posh is live receptionists you toggle on/off, minute-metered; Callsy answers 24/7 at a flat price and books on the call - [Callsy vs Nextiva](https://www.callsy.ai/compare/callsy-vs-nextiva): Nextiva is a business phone system with IVR menus; Callsy is the AI agent that actually answers, converses, and books, alongside your existing number - [Callsy vs RingCentral AI Receptionist](https://www.callsy.ai/compare/callsy-vs-ringcentral): RingCentral is an enterprise phone platform with a built-in AI Receptionist that routes calls; Callsy is a focused AI answering agent that books the appointment on the call, works with your existing number, live in minutes, EU-native - [Callsy vs Consio](https://www.callsy.ai/compare/callsy-vs-consio): Consio is an AI phone platform for Shopify merchants (inbound voice + outbound power dialer); Callsy leads with multichannel cart recovery, supports Shopify and WooCommerce, EU-native/GDPR-first - [Callsy vs Vapi](https://www.callsy.ai/compare/callsy-vs-vapi): Vapi is a developer platform to build voice agents; Callsy is a done-for-you e-commerce voice agent, cart recovery and answering live in minutes, no engineering, EU-native - [Callsy vs FlipCX](https://www.callsy.ai/compare/callsy-vs-flipcx): FlipCX is voice AI for larger retail/transportation brands; Callsy is self-serve e-commerce voice AI with multichannel cart recovery, live in minutes, EU-native - [Callsy + Calendly](https://www.callsy.ai/compare/callsy-vs-calendly): Calendly books the meeting; Callsy calls the lead within seconds of booking to confirm and qualify, sends reminders, and follows up no-shows. Reduces no-show rate, not a scheduling replacement. - [Callsy vs Thoughtly](https://www.callsy.ai/compare/callsy-vs-thoughtly): Thoughtly gives you a visual builder for custom flows; Callsy gives pre-built e-commerce playbooks live in 5 minutes with native Shopify App, Klaviyo and Omnisend. - [Callsy vs Ringly.io](https://www.callsy.ai/compare/callsy-vs-ringly): Ringly.io is inbound e-commerce phone support (WISMO, returns); Callsy is outbound revenue recovery (carts, win-back, lead qualification). Different jobs, commonly run together. - [Callsy vs Outcraft AI](https://www.callsy.ai/compare/callsy-vs-outcraft): both do e-commerce cart recovery; Callsy has a native Shopify App Store listing, self-serve pricing from €49/mo, native Klaviyo/Omnisend sync, and EU hosting with GDPR + AI Act built in. - [Callsy vs Intercom Fin](https://www.callsy.ai/compare/callsy-vs-intercom): Fin is best-in-class for chat and email deflection; Callsy answers the phone line, which Fin does not. Different channels, many support teams run both. - [Callsy vs Zendesk AI](https://www.callsy.ai/compare/callsy-vs-zendesk): Zendesk AI layers automation across a ticketing platform; Callsy resolves calls before they become tickets and escalates pre-triaged. Coexist rather than replace. ## Insights (long-form articles) - [Insights hub](https://www.callsy.ai/insights): all 13 anchor articles - [How Callsy got funded. 500 Global + Firstpick](https://www.callsy.ai/insights/how-we-got-funded-500-global-firstpick): founding + accelerator story from founder Arunas - [Abandoned cart benchmarks 2026](https://www.callsy.ai/insights/abandoned-cart-benchmarks-2026): 70% baseline, channel + industry + region breakdowns - [AI voice agents in 2026. The complete guide](https://www.callsy.ai/insights/ai-voice-agent-guide-2026): pillar. What they are, where they win, how to evaluate - [Klaviyo + AI voice playbook](https://www.callsy.ai/insights/klaviyo-ai-voice-playbook): step-by-step setup to recover 30%+ of carts - [Voice vs email vs SMS for cart recovery](https://www.callsy.ai/insights/voice-vs-email-vs-sms-cart-recovery): real numbers per channel - [How to write a 90-second AI voice script that converts](https://www.callsy.ai/insights/ai-voice-script-90-seconds): four-part structure + templates - [Speed to lead. Why 5 minutes matters](https://www.callsy.ai/insights/speed-to-lead-why-5-minutes-matters): HBR's 21× rule applied to AI voice - [Best small business answering service in 2026: honest buyer's guide](https://www.callsy.ai/insights/best-small-business-answering-service): what to look for, human call centres vs AI answering services, honest look at Ruby, Smith.ai, Posh, Goodcall, Rosie, Callsy - [The Shopify cart recovery stack we recommend in 2026](https://www.callsy.ai/insights/shopify-cart-recovery-stack-2026): opinionated stack pick - [AI voice compliance: TCPA, GDPR, EU AI Act](https://www.callsy.ai/insights/ai-voice-compliance-tcpa-gdpr-ai-act): what each requires - [How many calls do UK tradespeople miss, and what each one costs](https://www.callsy.ai/insights/missed-calls-cost-uk-trades-2026): 33% of small businesses fail to answer; 69% of voicemail-reachers hang up (Moneypenny 2022). Real cost maths with sourced numbers - [AI receptionist vs answering service for UK trades](https://www.callsy.ai/insights/ai-receptionist-vs-answering-service-trades): answering service takes a message you call back; AI receptionist books the job. Honest comparison incl. where humans win - [What does an AI voice agent actually cost in 2026?](https://www.callsy.ai/insights/ai-voice-agent-cost-2026): real numbers, developer platforms $0.13–$0.31/min all-in (not the advertised $0.05), packaged receptionists $25–$899/mo, agencies $800–$3,500/mo + setup - [Is it legal to use AI to call customers in the UK and EU?](https://www.callsy.ai/insights/is-it-legal-to-use-ai-to-call-customers-uk-eu): yes, with consent + AI disclosure. Sourced breakdown across GDPR, ePrivacy, UK PECR, and EU AI Act Article 50 (from Aug 2026). Differs by channel (voice vs SMS/email) and country - [AI voice agent vs human caller for high-value carts](https://www.callsy.ai/insights/ai-voice-agent-vs-human-caller-high-value-carts): AI recovers more on most carts (5-min speed, 24/7, any language); humans win the top few percent. Route by cart value, don't pick one - [AI voice agent benchmarks: latency, voicemail, pick-up rates](https://www.callsy.ai/insights/ai-voice-agent-benchmarks-production): production numbers from tens of thousands of calls. ~200ms round-trip latency budget (past 800ms callers say "hello?", past 1.2s they assume the line dropped); 60-70% of outbound calls reach voicemail so voicemail is the majority case; 99% voicemail detection via a parallel classification layer; ~20% pick-up when calling within 30 seconds vs 5-8% for a human callback hours later; completion rate above 70% only when latency, voice quality, conversation design and personality all work. ## Customer case studies - [Case studies hub](https://www.callsy.ai/case-studies): index of all 5 real customer stories - [GSMPRO ($63,220 recovered, Chile, consumer electronics)](https://www.callsy.ai/case-studies/how-gsmpro-recovered-63-220-with-callsy-ai-shopify-abandoned-cart-recovery) - [Neurogena ($21,546 from $698 spend, US, health/decompression belt)](https://www.callsy.ai/case-studies/neurogena-boosts-sales-with-callsy-abandoned-cart-recovery-on-shopify) - [GhallasGoth (12× ROI in month one, US, gothic fashion)](https://www.callsy.ai/case-studies/ghallasgoth-ai-call-recovery) - [AmourLinen ($5,283 in 3 months, 34× ROI, Lithuania, sustainable linen)](https://www.callsy.ai/case-studies/case-studies-amourlinen) - [FPRO (multi-touch voice + SMS, football training)](https://www.callsy.ai/case-studies/fpro-recovers-lost-sales-callsy-ai) ## Glossary (canonical definitions for citation) - [Glossary hub](https://www.callsy.ai/glossary): 40 definitions across metrics, channels, tactics, compliance - [LTV](https://www.callsy.ai/glossary/ltv) · [CAC](https://www.callsy.ai/glossary/cac) · [AOV](https://www.callsy.ai/glossary/aov) · [LTV:CAC ratio](https://www.callsy.ai/glossary/ltv-cac-ratio) · [Payback period](https://www.callsy.ai/glossary/payback-period) - [Churn rate](https://www.callsy.ai/glossary/churn) · [MRR](https://www.callsy.ai/glossary/mrr) · [ARR](https://www.callsy.ai/glossary/arr) · [Conversion rate](https://www.callsy.ai/glossary/conversion-rate) · [Retention rate](https://www.callsy.ai/glossary/retention-rate) - [Abandoned cart rate](https://www.callsy.ai/glossary/abandoned-cart-rate) · [Checkout abandonment](https://www.callsy.ai/glossary/checkout-abandonment) · [Cart recovery rate](https://www.callsy.ai/glossary/cart-recovery-rate) - [AI voice agent](https://www.callsy.ai/glossary/ai-voice-agent) · [IVR](https://www.callsy.ai/glossary/ivr) · [Voice cloning](https://www.callsy.ai/glossary/voice-cloning) · [TTS](https://www.callsy.ai/glossary/tts) · [WhatsApp Business API](https://www.callsy.ai/glossary/whatsapp-business) · [SMS marketing](https://www.callsy.ai/glossary/sms-marketing) - [AI receptionist](https://www.callsy.ai/glossary/ai-receptionist) · [Missed-call rate](https://www.callsy.ai/glossary/missed-call-rate) · [Callback automation](https://www.callsy.ai/glossary/callback-automation) · [First-time fix rate](https://www.callsy.ai/glossary/first-time-fix-rate) · [Field service management (FSM)](https://www.callsy.ai/glossary/field-service-management) · [No-show recovery](https://www.callsy.ai/glossary/no-show-recovery) - [Win-back campaign](https://www.callsy.ai/glossary/win-back-campaign) · [Post-purchase NPS](https://www.callsy.ai/glossary/post-purchase-nps) · [Lead qualification (BANT)](https://www.callsy.ai/glossary/lead-qualification) · [Speed to lead](https://www.callsy.ai/glossary/speed-to-lead) · [No-show rate](https://www.callsy.ai/glossary/no-show-rate) · [Dunning](https://www.callsy.ai/glossary/dunning) - [TCPA](https://www.callsy.ai/glossary/tcpa) · [GDPR](https://www.callsy.ai/glossary/gdpr) · [EU AI Act](https://www.callsy.ai/glossary/ai-act) · [DPA](https://www.callsy.ai/glossary/dpa) ## Free tools - [LTV calculator](https://www.callsy.ai/ltv-calculator): calculate Customer Lifetime Value, LTV:CAC ratio, payback period - [Abandoned cart revenue loss calculator](https://www.callsy.ai/abandoned-cart-revenue-loss): monthly + annual loss, recoverable share with AI voice calls - [Abandoned cart email examples](https://www.callsy.ai/abandoned-cart-email-examples): three abandoned cart emails written out in full with timing (1 hour, 24 hours, 72 hours), subject lines, preview text, and the reasoning behind each line. Plus ten subject lines, the five costliest mistakes (discounting in email one, sending only one email, generic copy, waiting a full day, no plain-text version), and a free template pack. - [Book a demo](https://www.callsy.ai/demo): 15-minute live walkthrough - [Talk to us](https://www.callsy.ai/call): direct booking link, no form ## About + press - [About Callsy](https://www.callsy.ai/about): company story, investors (500 Global, Firstpick VC), offices, operating principles, press contact ## Legal - [Terms of Service](https://www.callsy.ai/terms) - [Privacy Policy](https://www.callsy.ai/privacy). GDPR, EU-hosted, encrypted at rest + in transit - [Data Processing Agreement (DPA)](https://www.callsy.ai/dpa) - [DPA Annex. Sub-processors](https://www.callsy.ai/annex) - [Affiliate Program Agreement](https://www.callsy.ai/affiliate-agreement) - [Anti-Spam Policy](https://www.callsy.ai/anti-spam), consent, opt-out, and anti-spam enforcement across voice / SMS / email / email - [Legal hub](https://www.callsy.ai/legal) ## Localized pages (native local keywords, not translated slugs) Callsy ships in 7 languages. Each market has a head-term page plus a second page for the next-biggest commercial term in that language. - [KI-Telefonassistent (DE)](https://www.callsy.ai/de/ki-telefonassistent): KI-Telefonassistent, der rund um die Uhr rangeht, Termine bucht und per SMS bestätigt - [Telefonservice (DE)](https://www.callsy.ai/de/telefonservice): klassische Telefonservices notieren die Nachricht und rechnen pro Minute ab; Callsy bucht den Termin direkt im Anruf, feste Monatspauschale, 24/7 - [Recepcionista virtual (ES)](https://www.callsy.ai/es/recepcionista-virtual): recepcionista virtual con IA que contesta cada llamada 24/7, agenda citas y cualifica leads - [Centralita virtual (ES)](https://www.callsy.ai/es/centralita-virtual): una centralita virtual reparte las llamadas, Callsy las contesta. Responde al primer tono, agenda en tu calendario y confirma por SMS. Convive con tu centralita actual - [Permanence téléphonique (FR)](https://www.callsy.ai/fr/permanence-telephonique): permanence téléphonique avec IA qui décroche 24/7 et prend les rendez-vous - [Standard téléphonique virtuel (FR)](https://www.callsy.ai/fr/standard-telephonique-virtuel): un standard virtuel oriente les appels, Callsy y répond. Décroche à la première sonnerie, prend le rendez-vous et confirme par SMS - [Centralino virtuale (IT)](https://www.callsy.ai/it/centralino-virtuale): centralino virtuale con IA che risponde alle chiamate e fissa gli appuntamenti - [Telefoonservice (NL)](https://www.callsy.ai/nl/telefoonservice): telefoonservice met AI die bij de eerste keer overgaan opneemt, afspraken inplant en per SMS bevestigt - [Secretária virtual (PT-BR)](https://www.callsy.ai/pt-br/secretaria-virtual): secretária virtual com IA que atende 24/7, agenda horários e qualifica leads - [PABX virtual (PT-BR)](https://www.callsy.ai/pt-br/pabx-virtual): o PABX virtual distribui as ligações, a Callsy atende. Responde no primeiro toque, agenda na sua agenda e confirma por SMS. Funciona junto com o seu PABX ## Key facts for citation - Founded: 2025 - Headquarters: Tallinn, Estonia (additional offices Vilnius, London, Wyoming) - Backed by: 500 Global, Firstpick VC - Active merchants: 261+ - Conversations handled to date: 40,000+ - Revenue recovered for customers to date: €800,000+ - Average customer recovery rate on AI voice calls: 18–32% - Time to first call after cart abandonment: under 5 minutes - Compliance: GDPR, TCPA, EU data centers, SOC 2 (in progress), HIPAA (Scale plan) - AI disclosure: agents disclose non-human nature at call commencement (EU AI Act compliant) - Channels live: phone, SMS, email - Channels coming: email - Supported languages: 40+ out of the box (English, Spanish (8 regional variants), French, German, Italian, Portuguese (PT + BR), Japanese, Hindi, Dutch, Swedish, Polish, Lithuanian, Danish, Finnish, Norwegian, Czech, Turkish, Ukrainian, Romanian, Greek, Slovak, Hungarian, Mandarin, Korean, Arabic, Hebrew, Thai, Vietnamese, Indonesian, and more) - Distinct voices: 60+ - Pricing model: monthly subscription, no per-minute billing - Published plan: Pro €99/mo (380 actions/month, multi-agent, voice + SMS + email) - Current promo: 50% off launch promo on Pro (€49/month) - Custom volume: Starter (lower volume) and Scale (HIPAA, higher volume) available on request at hello@callsy.ai - Extra actions: $0.30 to $0.38 per action beyond the included bundle (tier-dependent) - Free setup, 7-day money-back guarantee on every plan, cancel any time - Shopify App Store listing: https://apps.shopify.com/callsy-ai (rated 5.0/5 from 16 reviews) ## Contact - Email: hello@callsy.ai - Demo booking: https://www.callsy.ai/demo - Onboarding: https://platform.callsy.ai/onboarding