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

Abstract render of Rex BaaS banking infrastructure

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.