We've analyzed and compared the top 1 API providers supporting Free Plan Available for Nigerian developers and businesses. Find the right infrastructure fit for your startup below.
Written by Editorial Staffs as at 18th June, 2026
| Feature | |
|---|---|
| Pricing | Free plan available with account signup. Paid plans available with higher rate limits — specific tier pricing requires account registration. Rate limits vary by plan. |
| Official CBN Exchange Rates | Yes |
| Parallel Market (Midmarket) NGN Rates | Yes |
| Black Market NGN Rates | Yes |
| Crypto Rates (Binance, Bybit, etc.) | Yes |
| 40+ Exchange Aggregation | Yes |
| Historical NGN Rate Data | Yes |
| Rate Comparison Across Providers | Yes |
| Free Plan Available | Yes |
| Currency Conversion Widget | Yes |
| Non-NGN Currency Pairs | No |
| Precious Metals Rates | No |
| Sandbox Environment | No |
| View Details |
Monierate is a Nigerian-built exchange rate aggregation platform and API that solves a uniquely Nigerian problem: the existence of multiple, often dramatically different, NGN exchange rate markets operating simultaneously. Unlike global exchange rate APIs (ExchangeRate-API, CurrencyLayer, Currencyapi) that only provide official mid-market rates, Monierate tracks and aggregates three distinct types of Nigerian Naira exchange rates — Official CBN rates, Midmarket rates, and Black Market (parallel market) rates — from over 40 Nigerian exchanges, Bureau de Change operators, banks, and cryptocurrency platforms. This multi-source, multi-market approach makes Monierate the most Nigeria-relevant exchange rate data source available, and the only API on the market specifically designed around the reality of Nigeria's dual exchange rate system. **Why Nigeria Needs a Dedicated FX API** Nigeria's foreign exchange market is uniquely complex. For extended periods, the country has operated a dual exchange rate system where the official CBN rate differs significantly from the rate available in the parallel market (also called the "black market" or "street rate"). This gap has at times exceeded 50–100% — meaning a developer using an international exchange rate API that only provides the official rate would be presenting rates that Nigerian consumers and informal businesses do not actually transact at. For Nigerian fintech apps, remittance platforms, crypto exchanges, and financial media that serve real users in Nigeria, the parallel market rate is often more relevant than the official rate. Monierate is built specifically to address this gap. **What Monierate Provides** The Monierate API aggregates NGN exchange rate data from 40+ sources and provides: 1. **Official CBN Rates**: The Central Bank of Nigeria's official exchange rates — the rate used for official transactions, government imports, and regulated financial institutions. 2. **Midmarket Rates**: The average market rate between buy and sell prices across major providers — a middle-ground figure useful for general currency conversion displays. 3. **Parallel Market (Black Market) Rates**: The street rates available through Bureau de Change operators and informal channels — reflecting what Nigerian individuals and businesses actually transact at when official channels are unavailable or uncompetitive. 4. **Crypto Exchange Rates**: NGN prices from major crypto exchanges including Binance and Bybit — enabling apps to display Bitcoin, Ethereum, and USDT values in Naira at current exchange platform rates. **40+ Source Aggregation** Monierate continuously monitors exchange rates from over 40 Nigerian and international providers including: CBN (Central Bank), commercial banks, Bureau de Change operators, crypto exchanges (Binance, Bybit), remittance services, and financial platforms. This aggregation gives developers access to rate comparison data across providers — not just a single rate but a full market picture. **API Authentication & Access** Monierate requires an account signup to access the API, even on the free plan. Account creation is done at monierate.com/api and requires only an email address — no KYC or business verification. An API key is issued upon signup. Developers pass this key in their API requests to authenticate. **Pricing** Monierate offers a free plan with standard rate limits suitable for development and low-traffic applications. Paid plans with higher rate limits are available for production-scale usage. Specific pricing tiers and request volumes require account registration to view. Rate limiting is enforced at the plan level, not per request. **Use Cases in Nigerian Context** Monierate is the data source of choice for any Nigerian application where accuracy of the real-world exchange rate matters: - Remittance comparison tools showing which service gives the best NGN rate - P2P crypto platforms displaying USDT/NGN and BTC/NGN rates - Financial news sites embedding live Naira rate widgets - Treasury management tools monitoring official vs. parallel rate spreads - Travel apps showing travelers what to expect at Lagos Bureau de Change desks - Import/export businesses calculating true FX costs beyond official rates **Comparison with Global FX APIs** While ExchangeRate-API, CurrencyLayer, and Currencyapi provide official mid-market NGN rates that may be accurate for international financial reporting, they are insufficient for building consumer-facing Nigerian financial apps where users experience the parallel market daily. Monierate fills this gap by providing the data that represents how Nigerian users actually experience exchange rates. **Company Background** Monierate was built by Nigerian developers to solve the local FX data problem. The platform operates as both a consumer-facing website (monierate.com) where Nigerians can track live rates and compare providers, and as an API service for developers who want to embed those rates into their own applications. **Frequently Asked Questions** Q: What makes Monierate different from ExchangeRate-API? A: Monierate provides Nigerian parallel market and black market NGN rates — which no global exchange rate API includes. ExchangeRate-API only provides official mid-market rates. Q: Do I need to pay to use the Monierate API? A: A free plan is available with email signup. Paid plans provide higher rate limits for production use. Q: Does Monierate support non-NGN currency pairs? A: Monierate is focused on Nigerian Naira (NGN) exchange rates. For multi-currency pairs not involving NGN, use a global exchange rate API. Q: Does it include crypto rates? A: Yes. Monierate tracks NGN prices on Binance, Bybit, and other crypto exchanges. Q: How many sources does Monierate aggregate? A: Over 40 Nigerian exchanges, BDCs, banks, crypto platforms, and remittance services.