HashBack Solutions

Software built for
how your business
actually runs.

Messaging, payments, payroll and the systems around them — for Kenyan businesses that are tired of doing it by hand. Switch on what we already run, or tell us what to build.

Explore Our Products Talk to Us
Trusted by 100+ businesses
99.9% uptime
Built in Kenya
4.935 Google reviews
Bulk SMS

Campaigns, alerts and OTPs with your own sender ID.

WhatsApp API

OTPs, receipts and notifications on the app people actually open.

Wallets & Payouts

Bulk payments, payroll runs and disbursements.

Payments

Collect on M-Pesa and reconcile without spreadsheets.

POS, Transport & Rentals

Industry systems we build on top of the same platform.

Partners & Integrations
Safaricom
Co-operative Bank
KCB Bank
Onfon Media
Our Products

Software You Can Switch On Today.

Five products, one account, one balance. Use one of them or all five — they are built to work together, not to be sold separately.

HashSMS — Bulk SMS

Send to one number or a hundred thousand. Your own sender ID once approved, templates, contact groups, delivery reports for every message, and a REST API for the rest.

Sender ID Templates Delivery Reports API
Start sending →

WhatsApp Business API

OTPs, payment receipts, delivery updates and support replies over WhatsApp — the channel your customers already have open. Same API shape as SMS, so switching channel is a one-line change.

OTP Notifications Cloud API
Open the WhatsApp portal → Get access →

Wallet as a Service

Wallets for your users, and one place to pay people from. Upload a payroll file and run it, push bulk payments to suppliers or riders, manage float, and get every payout reconciled with a receipt.

Payroll Bulk Payouts B2C Float & Ledger
Open a wallet →

HashPay — Payments

Collect on M-Pesa without the paperwork: STK Push, Till, Paybill, bank, payment links and hosted checkout — with reconciliation that matches payments to invoices so nobody does it by hand.

STK Push C2B Payment Links Reconciliation
Start collecting → About HashPay →

HashBack — Hash Decoding

M-Pesa C2B callbacks arrive with the payer's number hashed. HashBack turns that hash back into a real phone number in under 50ms, so you can match the payment, send the receipt and move on.

C2B <50ms Pay As You Go
Get an API key → Try the decoder →
Coming soon

B2B & Card Payments

Pay other businesses straight from your wallet — till, paybill and bank — and take Visa and Mastercard alongside M-Pesa on the same checkout and the same reconciliation.

B2B Transfers Visa Mastercard One Checkout
Tell us you want it →
Read the API Docs See Pricing
Solutions

Systems We Build
On Top of Our Products.

These are not self-service products — they are systems we build around your operation, using the same payments, messaging and wallet plumbing that already runs in production.

POS & Retail

Point of sale that takes M-Pesa at the counter, keeps stock honest, prints or texts the receipt, and closes the day with a till report that matches the money actually received.

Till Payments Stock Receipts Daily Close
See the demo → Talk to us →

Transport & Fleet

For matatu operators, logistics firms and delivery fleets: vehicles, drivers, routes and daily collections in one system — with driver payouts and SMS alerts handled by the same platform.

Fleet Collections Driver Payouts Tracking
See it live → Talk to us →

Rentals & Property

Listing platforms for finding a house, and management systems for running one: tenants, units, rent collection with automatic reminders, arrears you can see at a glance, and landlord payouts.

Listings Tenants Rent Collection Landlord Payouts
See FindKeja → Talk to us →
What We Build

Engineering, When Off-the-Shelf
Does Not Fit.

Every engagement is engineered from scratch around your workflow — not bent to fit a template someone else wrote.

Website Development

High-converting, search-optimised websites that reflect your brand with precision. From landing pages to multi-page corporate sites — designed for performance and built to rank.

Web Application Development

Full-stack web applications engineered for complex, real-world use cases. SaaS platforms, portals, dashboards and internal tools — architected to scale from day one.

Mobile App Development

Native and cross-platform apps that deliver seamless experiences on Android and iOS. Purpose-built for the mobile-first African consumer market.

Payment Integrations

Connect your existing platform to M-Pesa, card processors, bank APIs and payment gateways. STK Push, C2B, B2C and reconciliation — we handle the complexity so you do not have to.

Fintech Systems

Purpose-built infrastructure for startups, SACCOs and enterprises. Wallet systems, lending platforms, reconciliation engines and beyond — built to Safaricom and CBK standards.

ERP & Operational Systems

Industry-specific platforms for transport, logistics, retail and property. Real-time tracking, staff management, revenue reconciliation and reporting in one system.

Digital Solutions & Automation

Bespoke tools that automate workflows, connect systems and eliminate manual friction. If it can be digitised, we build it — faster and smarter than off-the-shelf alternatives.

Business Digital Transformation

End-to-end programmes that migrate your operations into a coherent digital ecosystem — from strategy and architecture to deployment and staff enablement.

Technology Consultation

Architecture reviews, vendor assessments, technology audits and growth-ready stack recommendations — from engineers who build, not just advise.

How We Work

From Brief to Live
in Six Steps

A structured engagement model that keeps you informed and in control at every stage — no black boxes, no scope surprises.

Start the Conversation How We Work
01
Discovery Call

A focused 30-minute call to understand your business context, technical requirements, timeline and success criteria. No sales pitch — just clarity.

02
Scope & Architecture Proposal

A detailed technical specification, system architecture, and milestone-based plan with a transparent cost breakdown.

03
Design & Prototyping

High-fidelity designs and interactive prototypes for your approval before a single line of production code is written.

04
Agile Development

Two-week sprints with regular demos, a shared staging environment and a live project board — you always know where things stand.

05
QA, Security & Performance Testing

Testing across devices, load scenarios and security vectors before any code touches production.

06
Launch & Ongoing Support

Managed deployment, monitoring, documentation handover and a 30-day post-launch warranty — plus retainer options.

Why HashBack

Precision-Engineered.
Business-Obsessed.

We are not a generalist agency shipping template work. We run our own payments and messaging infrastructure in production — the same code we hand to you.

100+
Businesses served
99.9%
API uptime
3+
Years in payments
<1h
Avg support response
Local Context, Built In

We understand M-Pesa callbacks, USSD flows, intermittent connectivity and local compliance. No guesswork — we have shipped it.

Security by Default

OWASP top-10 protection, encrypted data at rest, HTTPS everywhere, CSRF guards and secure API key management — defaults, not add-ons.

Transparent Delivery

Clear milestones, version-controlled code, regular demos and staging environments. You see progress, not surprises.

Built to Scale

Systems designed to handle 10x your current load without a rewrite — caching, horizontal scalability and efficient queries from the start.

We Do Not Disappear

Maintenance, monitoring, feature additions and performance tuning after go-live — available under retainer.

Integrates With Your Stack

Everything we build exposes clean APIs and is designed to talk to your existing tools — ERP, CRM, accounting or third-party services.

Developer Tools

Built for Developers

APIs, simulators and docs to get you from zero to production fast.

API Documentation

Full reference for SMS, WhatsApp, STK Push, Wallet B2C and decode APIs.

Read Docs →
C2B Simulator

Test M-Pesa callback responses against your endpoint without real transactions.

Open Simulator →
Decode Tool

Paste any MSISDN hash and get the decoded phone number instantly.

Try Decoder →
WhatsApp Support

Real-time developer support group. Get help, share feedback, stay updated.

Join Group →
F.A.Q

Frequently Asked Questions

Do I have to use all the products?
No. One account gives you access to all of them, but you only pay for what you use. Plenty of customers use HashSMS alone, or payments alone. They simply work better together — a payment can trigger an SMS receipt without you writing glue code.
Are POS, transport and rental systems available to sign up for?
Not yet — those are systems we build around your specific operation rather than self-service products. They run on the same payments, messaging and wallet infrastructure as the platform, so the hard parts are already built. Talk to us and we will scope it.
How long does it take to get started?
For the platform products, minutes — register, top up, and your API key is available immediately. For a custom system, the discovery call happens within days and you get a scoped proposal before any commitment.
Do you work with businesses outside Kenya?
Our messaging and payment rails are built for Kenya — M-Pesa, Kenyan mobile networks and local compliance. Custom software engagements we take on across East Africa.
Can I send bulk SMS under my own name?
Yes. You can start on our shared sender ID immediately, and apply for your own alphanumeric sender ID at the same time. Once it is approved and mapped to your account, your messages go out under your own name automatically.
How do I know a message was delivered?
Every message gets a delivery report from the network, shown per-recipient in the dashboard and available over the API. You see delivered, failed and the reason for failure — not just "sent".
What is the WhatsApp API good for?
OTPs, payment receipts, order and delivery updates, and reminders. Open rates are far higher than SMS and there is no per-message network fee of the same kind — though WhatsApp has its own rules about what you may send and when.
Can I send the same message over SMS and WhatsApp?
Yes. The APIs share the same shape, so switching channel — or falling back to SMS when WhatsApp is not available for a contact — is a small change rather than a second integration.
What is HashPay?
HashPay is our payment infrastructure: M-Pesa collections via STK Push, Till, Paybill and bank, payment links and hosted checkout, plus wallets and payouts. You can receive money without applying for your own Safaricom till.
Can I run payroll or pay many people at once?
Yes — that is what Wallet as a Service is for. Upload a payroll or payout file, review it, and run it. Each payout is tracked individually with its own result and receipt, so a failure in one row does not leave you guessing about the rest.
How quickly are payments settled?
Settlements are processed in real time. Funds collected through HashPay move to your linked account automatically, usually within minutes of a successful transaction.
What happens when a customer's payment fails?
Failed transactions are logged in real time with the exact reason from Safaricom — cancelled, insufficient balance, wrong PIN, timeout. No funds leave the customer's account and no settlement is triggered. Your system can react to each case differently via webhooks.
What are the fees?
A small per-transaction fee, with no setup or monthly charges. See the pricing page for the current rate card for your volume.
What is HashBack?
HashBack decodes the hashed phone numbers that arrive in Safaricom M-Pesa C2B callbacks, turning an unreadable hash into a real phone number you can use to match a payment to a customer.
How is HashBack billed?
Pay as you go. Top up credits (KES 100 minimum on Regular) and pay per request. Credits never expire, and no credit is deducted for a failed decode.
How fast is it?
Most decode requests return in under 200ms, which makes it usable inside a live payment confirmation flow rather than as a batch job.
Does it work outside Kenya?
No — HashBack supports Kenyan mobile numbers only (Safaricom and Airtel). It is built specifically for Kenya's M-Pesa ecosystem.
Get in Touch

Tell Us How
Your Business Runs.

Whether you need an API key this afternoon or a system built around your operation — start by telling us what happens, who does it, and where it currently breaks. Free initial consultation, always.

Email Us Your Brief Create Free Account

Typical response time: within 4 business hours.

Google Reviews

Trusted by Kenyan businesses & developers

4.9 35 reviews
george kioko
george kioko a year ago

Excellent Service and Professional Team!
Working with Hashback Solutions has been a fantastic experience. Their team is highly professional, responsive, and truly understands what businesses need when it comes to digital solutions. From the initial consultation to final delivery, everything was smooth and efficient. They delivered on time, offered great support, and exceeded my expectations. I highly recommend Hashback Solutions for anyone looking for top-notch tech and business solutions!

Opera Africa News
Opera Africa News a year ago

I’ve had the pleasure of working with HashBack Solutions on the development and revamp of my website for Opera Africa News — and I must say, their professionalism, speed, and quality of work are unmatched.

From website development and server management to advanced SEO services, HashBack Solutions handled everything seamlessly. They clearly understood the vision for Opera Africa News, offered practical and insightful recommendations, and delivered a clean, high-performing website tailored for both local and international audiences.

Their SEO strategies have already begun to show results, with noticeable improvements in search engine visibility and traffic. Server management has been top-notch — fast, secure, and dependable. Communication was excellent throughout, making the entire process smooth and stress-free.

If you’re looking for a trustworthy tech partner for web development, SEO, or IT solutions, I highly recommend HashBack Solutions. They truly go above and beyond to deliver quality results.

Newton Kioko
Newton Kioko a year ago

We hired HashBack for web development, app design, and monthly IT support. What we got was not just services, but a true tech partner. Their team is young, talented, and committed to excellence. Highly recommended!

Languages Africa
Languages Africa a year ago

Excellent Experience with HashBack Solutions!

I had an amazing experience working with HashBack Solutions. From creating and revamping my website to offering tailored IT solutions, their service was top-notch. The team was responsive, professional, and highly knowledgeable. They clearly understood my vision and executed it perfectly, delivering a clean, modern website that reflects my brand (Languages Africa) beautifully.

Their guidance on various IT matters—from performance optimization to user experience—was incredibly helpful and exceeded my expectations. I highly recommend HashBack Solutions to anyone looking for reliable and efficient tech support and web development services.

Thank you for making the process smooth and stress-free!

Amos (Hermose)
Amos (Hermose) a year ago

I'm incredibly happy with the website they built for me! The design is clean, professional, and exactly what I envisioned. They were very responsive, easy to work with, and delivered everything on time. Highly recommend their services if you're looking for a reliable and talented web development team!

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