Your MoMo, Supercharged.

Harpoon verifies Mobile Money payments the instant they land — so you never have to ask "did you pay?" again.

Payment verified

Just now

GHS 250.00

Kwame Mensah · MTN MoMo HKMVR

Instant.
Every single time.

Your customer pays. You know. Before they even put their phone down. No checking. No refreshing. No second-guessing.

Automatic matching.
Zero manual checks.

Every payment lands in your dashboard the moment it's made. Matched to the right customer. Flagged if something's off. Nothing slips through.

Real-time webhook notifications
REST API for your backend
Overpayment and underpayment handling
Comprehensive developer docs

Payment verified

Just now

GHS 250.00

From Kwame Mensah • MTN MoMo

Reference HKMVR
Verified in 1.8 seconds

USSD Go

Send money
in one tap.

No more long codes. No more typos. Your most-used payments, one tap away. Works across every network.

Templates

Pay Akwesi

MTN

GHS 250.00

Mama weekly

MTN

GHS 500.00

Rent

Telecel

GHS 1,800.00

Data bundle

MTN

GHS 50.00

Built for
your backend.

REST API. HMAC-signed webhooks. Comprehensive documentation. Everything you need to integrate payment verification into your product.

webhook.py
from harpoon import verify_signature

@app.post('/webhook')
def handle_payment(req):
    if verify_signature(req):
        payment = req.json()
        # payment.amount, payment.reference
        fulfill_order(payment.reference)
        return {'ok': True}

Works with every network in Ghana

MTN MoMo Telecel Cash AT Money

Start free.
Grow when you're ready.

Every account includes payment verification and transaction history. No credit card. No transaction fees. No contracts.

Questions, answered.

What do I need to get started?

Just your phone and the networks you already use to take payments. Sign up, and you're running in minutes.

How much does it cost?

Start free. Simple monthly pricing when you need more. We never take a cut of your payments.

Does it work with my network?

Yes. MTN MoMo, Telecel Cash, and AT Money — all three major networks in Ghana.

Can I see all my past payments?

Yes. Every payment is saved in your dashboard. Search, filter, and export anytime.

What if a customer pays the wrong amount?

You'll know. Overpayments and underpayments are flagged the moment they happen, so you can sort it out right away.

Is my money safe?

Your money stays with your network. Harpoon never touches it — we only tell you the moment it arrives.

Verify your next
payment today.

Set up in under 5 minutes. No credit card required.