Built in Tanzania. Made to connect.

Reach anyone.
On any channel.

One API for SMS, WhatsApp, RCS, push and email. From a payment confirmation to your next big campaign, one home for the messages that move your business forward.

SMS from TZS 10.7 WhatsApp TZS 100 Prepaid in shillings, no card needed

messages.jsONE API
1// One connection. Every customer.2await send.messages.create({3  to: "+255700000000",4  channel: "sms",5  template: "payment_received",6  variables: { amount: "75,000" }7});
Interactive example, no live request
Example switched to SMS.
The right channel for every moment

A simple message.
A powerful connection.

Reach every phone with SMS, hold conversations on WhatsApp, upgrade to rich RCS, bring people back with push and keep the details in email.

9:41
SEND
Your payment of TZS 75,000 has been received. Thank you!

Ref: SD93K82
Today, 09:41 · SMS example
Previewing SMS.

Message preview

Explore SMS
Smart message routing

Your message.
The best available route.

A customer's connection can change. Your message still matters. Set your preferred channels once and Send falls back to the next route when the first is unavailable.

  • Choose the order that suits your business
  • See what happened at every step
  • Pay for the channel that delivered
See how routing works
Payment confirmationExample
WhatsAppTry the customer's preferred channel
Unavailable
RCSCheck device and network support
Skipped
SMSYour message reaches the customer
Delivered
Built around your business

Small moments.
Real business impact.

Find your use case

Verify a customer

One-time codes over WhatsApp, SMS or email, with expiry and attempt limits built in.

Explore Send Verify

Reach your audience

Bring contacts, reusable messages and campaign reporting into one workspace.

Explore Send Campaigns
Closer to your customers

Built here.
Thinking beyond borders.

Send is a Tanzanian product by Lockwood, designed around the realities of African businesses, operators and customers, with an ambition that reaches across the continent.

Dar es Salaam, Tanzania

Local operator connectivity

Routes built around the networks your customers use.

Think in TZS

Prepaid credits in shillings. SMS from TZS 10.7, WhatsApp at TZS 100.

People close by

Onboarding and support in your own timezone.

Your brand, recognised

Help with sender ID registration and channel setup.

For the builders

Build the experience.
We'll handle the message.

One authentication model, one message request and one set of delivery events across every channel. Send runs on the same messaging infrastructure that powers Malipopay. Integrate in an afternoon, not a sprint.

RESTNode.jsPHPPythonJavaFlutter
Explore developer resources
SEND APIJSON
POST /v1/messages{  "to": "+255700000000",  "channel": "auto",  "template": "payment_received",  "variables": { "amount": "75,000", "reference": "SD93K82" }}
Illustrative request. Your account unlocks keys and the full reference.
One workspace. Every conversation.

Your team's new
communication centre.

From the first message to the delivery report. A focused workspace for the people running your communications, with no code needed.

See Send Campaigns

Your customers are everywhere.
Your messaging API shouldn't be.

SMS. WhatsApp. RCS. Push. Email. One integration with Send.

Start free (opens in a new tab)

Larger volumes or a bank? Talk to sales