AVC SMS
Features

Everything a Sri Lankan business needs
to talk to customers by SMS.

From a one-off promotion to millions of OTPs a month, in one portal and one API.

Campaigns

Bulk SMS that feels effortless.

From a one-off promotion to a weekly newsletter, built around how Sri Lankan businesses actually send.

  • Paste, upload or pick a groupNumbers in any format (07…, 94…, +94…). Duplicates and blocked numbers are removed before you pay.
  • Personalised messagesWrite {name} once and every customer gets their own name, from your contacts, a CSV or the API.
  • Preview with exact costSee the encoding, part count, recipient count and total cost before anything is sent.
  • Schedule for laterPick a date and time in Sri Lanka time. Cancel before it goes out and get the credit back.
  • Resend the failuresOne click re-sends a campaign to only the numbers that failed.
  • TemplatesSave the messages you send often and pick them from the composer.
Try the part counter English, සිංහල or தமிழ்
Recipients
Loyalty members 4,210Colombo 1,880VIP 312+ CSV upload
Delivery & reporting

Know exactly what arrived.

Every number has its own status and time stamps, and the money always adds up.

  • Live per-number statusQueued → sent → delivered or failed, per recipient, with time stamps.
  • Automatic refundsAnything the network refuses is credited straight back to your balance.
  • Reports and CSV exportDaily volumes, delivery rates and spend by sender ID and by source. Export any list.
  • Monthly statementsA printable statement and a receipt for every top-up, for your accounts.
Developers

An API you can learn in one sitting.

Everything the portal can do, as JSON, with examples in the languages you already use.

  • REST API with a bearer keyYour key is always in the portal: copy it, restrict it to your server IPs, and reset it in one click if it leaks.
  • Send, status, list, balanceUp to 10,000 recipients per request, personalised or not.
  • Delivery webhooksWe POST the final status to your URL, per account or per request.
  • Part counter endpointKnow the cost of a message before you send it.
# check the cost before sending POST /api/v1/count { "message": "ඔබේ OTP 482913" } 200 { "type": "unicode", "segments": 1 … } # then send it POST /api/v1/sms/send
Open the API reference
Account & security

Prepaid, predictable and protected.

No contracts and no surprise bills, with the controls a business account needs.

  • Prepaid walletTop up by bank transfer or cash with a slip upload. Bonus credit on larger packages.
  • Low-balance warningSet your own threshold. The dashboard warns you before you run dry.
  • Block listKeep opt-outs and complaints out of every future send.
  • Two-step sign-inProtect your account with an authenticator app. Every sign-in is logged.

See it working on your own phone.

Create an account and send a test message to yourself.