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BulkSMS

Chosen by 500+ customers across Tanzania

One SMS to all your customers, members and staff — anywhere in Tanzania.

For businesses and organisations of every size, from a verified sender name. Write it once, in Swahili or English, and send it in seconds.

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Verified senders only 10 free credits Pay by mobile money
99.2%
Delivery rate
< 2s
Typical send time
100%
All TZ networks
24/7
Local support

Sign up in minutes.
Your own name in days.

1

Sign up

Just your phone and your name. About 2 minutes.

2

Verify your ID

Upload your NIDA ID, or your business registration or TIN. Once it’s verified, your free credits are ready to send a sample SMS as BULK SMS TZ.

3

Top up by mobile money

Buy only what you need, when you need it.

4

Request your sender name

Available after your first top-up. It usually goes live on every network within a few working days, and your credits wait safely until then.

Your name. Not an unknown number.

Send as MWANGA, NYOTA or UMOJA SACCO. Every name is checked and registered, so the people you message know it’s really you.

Pay only for what you send.

Swahili or English, same price. A reminder to 300 people, one SMS each, costs at most TZS 7,500.

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Packs from TZS 12,500 for 500 SMS, down to TZS 20 per SMS on the largest pack.

Or top up any amount, from 100 SMS for TZS 2,500.

Sending more than 200,000 a month? Call us for a volume rate.

Proven on Tanzania’s biggest days.

Oasis Technologies, the team behind BulkSMS, has run the messaging for stadium-scale competitions, national summits and community programmes.

Stadium event

Muslim World League

International Qur’an Competition for Girls

337,963
SMS in three phases

Before, on the eve and on the day. Two more drives reached 100,000 people for the live Azam TV and ZBC2 broadcasts.

Benjamin Mkapa Stadium, Dar es Salaam

Stadium event

Al-Hikma Foundation

International Holy Qur’an Competition

185,000
schedule & info SMS

A 35,000+ crowd from across Tanzania, kept up to date.

Benjamin Mkapa Stadium · 1 March 2026

Corporate

Tanzania Business Forum

Season 3

8,500
personal VIP invitations

Each one addressed by name, to 400+ executives, delegates and guests.

JNICC, Dar es Salaam

Youth

Mtoto Mjasiriamali

Seasons 2 & 3

35,000
notices to parents

Where to go, when, and where to park, sent to 1,500+ young entrepreneurs and their parents across both seasons.

Young entrepreneurs programme

Planning an event? Call +255 622 929 972 · Read all six success stories →

Every send. Every shilling. Visible.

See what went out, what was delivered and what’s left, from any browser.

Greeted by name

Habari Amina, not just Habari mteja. Every saved contact sees their own name.

Any list

Your saved groups or an Excel sheet, sent in one go.

Send it later

Write it tonight. It arrives at 7 tomorrow morning.

Team workspaces

One account for your whole team.

Send from your pocket.

At the office, in the shop or on the road: send your message, top up on the spot and see every delivery as it happens.

  • Pick recipients from your phone contacts
  • No computer needed, from ID check to your own sender name
  • Instant alerts when something needs you
Download on the App Store Get it on Google Play

Free to install · Android 8.0+ · iOS 15.1+

BulkSMS app home screen: credit balance, the last 14 days of sending and recent messages
BulkSMS app message list: every SMS with its delivery status

One message. One HTTP call.

Send alerts, OTP codes and receipts from your website or app.

  • Scoped API keys you can lock to IP addresses or ranges
  • HMAC-signed webhooks for delivery and failure events
  • Two-factor sign-in (TOTP) available on every account
  • Stable /v1/ contract
Read the API docs → WordPress, WooCommerce & WHMCS plugins →

Questions? We have answers.

What does one credit buy?
One SMS of up to 160 characters, to one phone. Swahili and English cost the same. Emoji and curly quotes shorten an SMS to 70 characters, so a long one may use 2 or more credits. You see the exact count before you send, and messages a network refuses on submission are refunded automatically.
My trial SMS says BULK SMS TZ. When do I get my own name?
Trial SMS go out as BULK SMS TZ with a fixed sample message, once your ID is verified. After your first top-up, request your own name: 3 to 11 letters, numbers or spaces. We check it and register it with every network, usually in a few working days. From your first top-up until it is live you cannot send, but your credits wait and nothing is charged. Then every SMS carries your name and your own words.
Do I need a registered business to use BulkSMS?
No. Sole traders and groups can register with the owner’s or leader’s NIDA ID. Registered businesses and organisations add their registration certificate or TIN. Every account is verified before its first send.
How do top-ups work?
Pick a pack or your own amount, and enter the phone to charge. A prompt pops up on that phone. Enter your mobile money PIN and your credits arrive in seconds. Bank transfer works too; our team adds those credits by hand.
Which networks do you reach?
Vodacom, Airtel, Tigo, Halotel, TTCL and Smile. One sender name covers every network.
How is my data protected?
We do not sell your data, your recipients’ numbers or your message content — ever. ID documents are encrypted and seen only by our verification team, and every admin action is logged.

Still have a question? Call us or visit support.

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