The Last Deadline: How One App Is Saving Africa’s Most Expensive Dream

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During the 2024–25 academic year, 388,995 international postgraduate students came to the United Kingdom, of whom 29,375 were from Nigeria, and 2,885 opted for a research degree. What happened to the remaining millions with dreams of moving abroad?

The Money Was Ready. The System Wasn’t.

The day woke with Chiamaka, who had not slept. The harmattan cold was biting, but she was sweating. The time was 10.12 am on a Monday in a hilly village that cannot be found on a map of Nigeria. The dare of disrupting the heavy silence inside kept her out longer. In the next six hours, the payment portal will close, and she will lose her university place if she can’t pay her tuition.

Her mother had spent the previous day calling everyone she knew in Lagos to make this payment, but no one could help. This morning, the family waited for their father to come home with the news that the fee had been paid, but when that news came, it broke Chiamaka, and she cried.

That day, the dream of studying abroad died.

This is not a rare story. Every admission cycle, thousands of Ghanaian and Nigerian families armed with funds face a catastrophic obstacle: the payment. A traditional financial platform can take at least six weeks to process some cross-border payments, a fact that deadlines don’t understand.

Millions of African students dream of moving abroad, but the majority only live that dream in their heads. The excitement of getting an admission offer often fades away when funds are limited or visas are denied.

Sometimes, parents struggle with forex blocks and bank delays to complete tuition payments abroad, and students experience hardship or are expelled because they can’t meet deadlines. While millions of international students struggle to fund their study-abroad journeys, those with the money often find that the infrastructure fails them.

When Money is Hard to Come By

The internet has simplified how we live our lives, and this culture has transformed how we see things, do business, and expect results. Many parents believed that when they have the funds, making cross-border payments would be a walk in the park.

Sadly, Naira and Cedis are more expensive than the Dollar, Euro, or Pounds Sterling, making moving abroad a luxury only a few can afford without a blink.

In 2021, Nigeria recorded 3.7 billion real-time transactions and ranked sixth globally in payment infrastructure. Today, cross-border payments across African markets lead the world and have moved from behind-the-scenes activities to a strategic imperative. Yet the paradox is striking: the continent has the most expensive intra-continental and outbound payment infrastructure.

Each payment processed for studies abroad has a story to tell, and if the infrastructure cannot process it, the ripple effect leaves many families in perpetual debt.

Olayemi Cardoso, governor, Central Bank of Nigeria (CBN), said, “Today, cross-border payments remain too slow, too costly, and too fragmented, especially for developing economies,” Cardoso said. “With global remittance corridors costing over 6.0 percent, settlement lags of several days, and compliance burdens that exclude MSMEs, millions remain disconnected from global opportunity.”

The silent tax families pay for their kids’ ambition in West Africa comes in the form of missed deadlines, sleepless nights, university offers left to expire, and currency devaluation that erodes savings.

In the fintech world, where transparency and trust are key to cross-border transactions, customer-business interactions take center stage. Sending money across African countries is expensive, especially for study-abroad payments. Imagine a family spending 15 months liquidating assets, borrowing from cooperative funds, gathering part of the tuition payment, and denying other family members basic necessities of life to complete this fee. The collateral includes the trust that these students will repay upon relocating abroad.

The first hurdle is gathering the funds, and the next is making the payment. The traditional banks have the trust of the majority of the populace because they believe nothing can go wrong with their money. However, when these banks delay processing certain fees, they begin searching for alternatives.

The Founder Who Lived the Problem

Radiu was created to close the gap that international students like Chiamaka experience. However, the company’s story goes beyond a payment story many of us know. The founder, Mr. Sunday Paul Adah, once experienced the midnight panic of losing his admission to the US due to a delayed payment from Nigeria.

By 2020, Adah stepped in with informal expertise to help other international students who had difficulty paying fees abroad via WhatsApp. When demand grew, he built the Pay4Me App, a neobank designed for international students to pay for tuition and other fees, including SEVIS, WES, rent, insurance, and more, serving students from Nigeria, Ghana, Kenya, and Cameroon.

The app removed anxiety and fear of missing deadlines, visa interviews, or slow payment processing for students. The app bridged the gap between schools and students, bypassing older channels that? They were Herculean to use.

However, the simple concept proved difficult to execute because it had to move swiftly to beat bureaucratic processing times while also navigating forex realities. Gaining parents’ trust in using an app they found online proved more difficult than Adah had assumed. The challenges didn’t stop the company from finding the simplest ways to simplify payments for students. It mirrored a broader shift across startups, away from being passive recipients of customer relationships.

How do you make a SEVIS payment on a Sunday night when your US visa interview is in the morning?

Providing a 24-hour customer support facility, with Adah overseeing this part of the business, helped bring transparency, trust, and speed to the brand. The case study was that emotion plays a vital role in financial transactions in Africa. Unlike remittances, payments to students abroad involve institutional intermediaries, deadlines, and currency fluctuations.

The Pay4Me name eventually became a ceiling. Then came the rebranding to Radius, a declaration of its expanded ambition to move it past the financial journey. Pay4Me handled payments, while Radius built a perimeter around an international student’s entire journey, from application to moving abroad.

The Scale of the Opportunity

By 2050, the African youth population is projected to reach 830 million, and the working-age population will rise to 1.56 billion, accounting for 85% of the world’s workforce. Annually, Nigerian graduates come out in the hundreds of thousands, but the domestic economy cannot accommodate them. For generations, studying abroad was a luxury aspiration, but recently it has become an escape from unemployment and insecurity, and a way for families to build human capital to avoid poverty.

To accommodate the cross-border transaction volume, Radius, a Techstars-backed startup, is not the only kid on the block; Flutterwave, Lemfi, Paga, Chipper Cash, and others have maintained dominance in the fintech sector. But Radius has verticalized the study-abroad process, creating a strategic moat.

A student who needs to make their first tuition payment searches online for testimonials and reviews on payment platforms they come across. However, when a payment portal has a 24-hour deadline, panic sets in, and finding a platform that can save the day becomes the priority. Radius has always shown up in situations like this because of the credibility it has built over the years, completing payments before any deadline.

Meanwhile, African banking expansion has been underpinned by the rise of this population, the rapid adoption of digital banking services, and rising financial inclusion.

“African banking has moved decisively from a story of potential to one of performance,” said Mayowa Kuyoro, a partner and head of McKinsey’s financial services practice in Africa.

What Comes Next

Chiamaka’s story resonates with many international students, whose talents have been hindered by an infrastructure that struggles to keep pace with the times in processing cross-border payments before deadlines. Every year, students scrape together application fees, compete for scholarships, and prepare for visa approvals. At the final meter, only a fraction makes its way out of Africa into other countries.

The students who stayed behind recalibrate and carry the weight of an opportunity that closed in on them. Radius exists to ensure these opportunities remain open. If Chiamaka wants to try again, she doesn’t need someone in Lagos to make this payment. She can pick up her mobile phone and complete her payment in under 10 minutes. That is the sound of a door staying open.

David Oluwatayo, a user of the app, said, “This is the first time a payment platform has been so interesting to use. The customer service is top-notch, the user experience is unmatched, and the service is promptly executed. I cannot be happier.

The next frontier for Radius has begun: it sits down with students and plans their study abroad journey. Whether they want to find affordable schools or scholarships, or prepare for their visas, the aim is to ensure they succeed before they begin the payment process.

Today, Radius measures success by the Chiamakas, whose dreams are validated again. When 10 people come to Radius and one makes a payment, the brand goes back to find ways to bring the remaining 9 back as happy customers.

Radius (formerly Pay4Me App) has over 118,000 users from Nigeria, Ghana, Cameroon, Kenya, Rwanda, and Uganda.