Powered by Rex MFB — licensed by the CBN
Banking infrastructure for the products you are building in Africa.
Payments, transfers, wallets and virtual accounts through one API — with a sandbox you can use the minute you sign up.
99.98%
Rail uptime
< 60s
Sandbox access
24/7
Partner support

Products
Everything you need to move money, in one place.
How it works
From signup to live in three steps.
01
Create account
Sign up and confirm your business in under a minute.
02
Build in sandbox
Test keys are issued immediately with ₦5,000,000 of demo funds.
03
Go live
Submit compliance once, get approved, and switch to live rails.
Who it's for
Built for every builder.
Businesses
Automate collections, payouts and reconciliation without building core banking or holding a licence.
Developers
Clean REST APIs, an instant sandbox, signed webhooks and predictable errors. Ship your first transfer today.
Developer experience
Your first transfer, in one request.
Request
curl -X POST https://api.rexbaas.com/v1/transfers \
-H "Authorization: Bearer sk_test_xxxxx" \
-H "Content-Type: application/json" \
-d '{
"amount": 50000,
"currency": "NGN",
"account_number": "0123456789",
"bank_code": "058"
}'Response — 200 OK
{
"status": "success",
"data": {
"id": "txn_abc123def456",
"amount": 50000,
"currency": "NGN",
"status": "pending",
"reference": "REF-1234567890"
}
}Start in the sandbox today. Go live when compliance clears.
Join the businesses and developers building regulated financial products on Rex MFB rails.



