# Sworborno (স্বরবর্ণ) > Sworborno is a Bangla-first AI calling service run from Dhaka, Bangladesh. Its agent phones a shop's customers in natural Bangla, confirms or cancels cash-on-delivery (COD) orders, verifies the delivery address, and reports each outcome back with a one-line staff note, the full call recording, and a webhook. - Built for: shops and agencies in Bangladesh that ship cash-on-delivery orders. - Languages: Bangla, English, and the mix of the two that customers actually speak. - Calls go out from a local Bangladeshi number. - Billing: a prepaid balance of voice minutes, metered by the second; order-confirmation calls cost ৳4 per minute, other requirements are priced to fit. - Free start: 2 voice minutes and a ready-made QA assistant on signup, no credit card. ## Pages - [Home](https://www.sworborno.com/): What an order-confirmation call sounds like, the outcomes staff receive, the call-request API, document-grounded assistants, per-second billing, and the free start. - [Pricing](https://www.sworborno.com/pricing): Prepaid voice minutes billed by the second, 2 free minutes on signup, no credit card, and what a top-up covers. - [API documentation](https://www.sworborno.com/docs): The integration guide: POST an order to the call-request endpoint, receive the signed call.result webhook, poll or cancel a request, and watch the balance. - [FAQ](https://www.sworborno.com/faq): How a call sounds, what happens when nobody answers or the customer changes the order, recordings, languages, billing, and setup. - [About](https://www.sworborno.com/about): Who builds Sworborno, what the name means, and where the service runs from. - [Contact](https://www.sworborno.com/contact): How to reach the team. - [Privacy policy](https://www.sworborno.com/privacy): What data the service handles, why, for how long, and with whom. - [Terms of service](https://www.sworborno.com/terms): The agreement for using Sworborno: accounts, calling rules, prepaid minutes, and liability. - [স্বরবর্ণ — বাংলায় AI অর্ডার কনফার্মেশন কল](https://www.sworborno.com/bn): বাংলায় হোম পেজ: ক্যাশ অন ডেলিভারি অর্ডার কনফার্ম করার AI ফোনকল, কীভাবে কাজ করে, ফলাফল, দাম আর ফ্রি শুরু। - [COD order confirmation calls](https://www.sworborno.com/use-cases/cod-order-confirmation): Confirm every cash-on-delivery order by phone before it ships: what the agent asks, what the shop gets back, and how it fits a courier workflow. - [Delivery address verification](https://www.sworborno.com/use-cases/address-verification): Read the address back to the customer, capture the thana and district they say, and hand the courier a label that reaches the door. - [Fake order prevention](https://www.sworborno.com/use-cases/fake-order-prevention): Catch fake, prank and duplicate COD orders before a parcel leaves the shelf, with a call the customer has to answer and confirm. - [AI voice agent](https://www.sworborno.com/use-cases/voice-agent): An AI voice agent for any business: it answers phone calls in Bangla or English from your own documents, with a text chat on the same knowledge. - [AI call agent](https://www.sworborno.com/use-cases/call-agent): An AI call agent that phones your customers in Bangla or English for confirmations, reminders and follow-ups, started from your own system. - [AI receptionist](https://www.sworborno.com/use-cases/receptionist): An AI receptionist for small businesses that answers calls at any hour, in Bangla or English, from your price list, hours and policies. - [AI customer support](https://www.sworborno.com/use-cases/customer-support): AI customer support that answers calls in Bangla or English from your help documents, with the same answers in a voice link and a text chat. - [Parcel return cost calculator](https://www.sworborno.com/tools/parcel-return-cost-calculator): Free calculator for COD shops: type your orders, return rate and courier charges to see what returned parcels cost a month, and if calling first pays. - [Fraud checker](https://www.sworborno.com/fraud-checker): Free courier fraud checker for Bangladesh: enter a customer's phone number to see their parcel delivery and return history before you ship. No login. - [Blog](https://www.sworborno.com/blog): Practical notes for shops that ship cash-on-delivery in Bangladesh: fewer failed deliveries, better calls, cleaner integrations. - [Catching fake COD orders](https://www.sworborno.com/blog/fake-cod-orders-how-to-catch-them-before-shipping): A checklist for spotting fake, prank and duplicate cash-on-delivery orders before a parcel leaves, and where a confirmation call fits. - [A good confirmation call](https://www.sworborno.com/blog/what-a-good-order-confirmation-call-sounds-like): The shape of an order-confirmation call that customers in Bangladesh answer, confirm and do not hang up on: greeting, order, address, close. - [Confirmation calls by API](https://www.sworborno.com/blog/order-confirmation-calls-by-api-a-developer-checklist): What to get right when wiring order-confirmation calls into a store: idempotent requests, signed webhooks, holds, and a reconciliation sweep. - [ফ্রড চেকার কি যথেষ্ট?](https://www.sworborno.com/blog/fraud-checker-ki-jotheshto): কুরিয়ার ফ্রড চেকার নম্বরের পুরোনো রিটার্ন দেখায়, কিন্তু নতুন নম্বর, ডুপ্লিকেট আর ভুল ঠিকানা ধরে না। ফ্রড চেক আর কনফার্মেশন কল মিলিয়ে ফেক অর্ডার আটকান। - [অর্ডার কনফার্ম মেসেজ টেমপ্লেট](https://www.sworborno.com/blog/order-confirm-message-template): COD অর্ডারের জন্য কপি করার মতো অর্ডার কনফার্ম মেসেজ: SMS, WhatsApp, ঠিকানা মেলানো আর কনফার্মেশন কলের স্ক্রিপ্ট, সাথে যে ভুলগুলো এড়াবেন। - [অগ্রিম ডেলিভারি চার্জ, নাকি কল?](https://www.sworborno.com/blog/advance-delivery-charge-naki-confirmation-call): অগ্রিম ডেলিভারি চার্জ ফেক অর্ডার কমায়, কিন্তু আসল কাস্টমারও হারায়। কখন অগ্রিম চাইবেন আর কখন কল করে কনফার্ম করবেন, তার সহজ নিয়ম। - [Order confirmation call services in Bangladesh, compared](https://www.sworborno.com/blog/order-confirmation-call-services-bangladesh): Five COD order confirmation call services in Bangladesh side by side: press-1 or talking calls, Bangla, address checks, prices and who each one fits. ## Details - [Full product description](https://www.sworborno.com/llms-full.txt): how a call works, the outcomes, the call-request API, assistants, billing and accounts, in one file. ## Optional - [Sign up](https://www.sworborno.com/signup): create an organization and start with 2 free voice minutes.