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São Tomé and Príncipe dobras to Nigerian naira exchange rate API

1 STN = 64.0963 NGN · Live mid-market rate

Convert STN to NGN at the mid-market exchange rate. Access real-time rates via our /api/rate endpoint (free API key required) or the developer docs.

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Exchange Rate Trend

STN → NGN
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STN to NGN Conversion Table

Convert STN to NGN

STN NGN
Db1 ₦64.10
Db5 ₦320.48
Db10 ₦640.96
Db25 ₦1,602.41
Db50 ₦3,204.82
Db100 ₦6,409.63
Db500 ₦32,048.15
Db1,000 ₦64,096.30
Db5,000 ₦320,481.50
Db10,000 ₦640,963.00

Convert NGN to STN

NGN STN
₦1 Db0.0156
₦5 Db0.078
₦10 Db0.156
₦25 Db0.39
₦50 Db0.7801
₦100 Db1.5602
₦500 Db7.8008
₦1,000 Db15.6015
₦5,000 Db78.0076
₦10,000 Db156.0152

About the São Tomé and Príncipe Dobra (STN)

The São Tomé and Príncipe Dobra (STN) is the official currency used in international trade and commerce.

Key Factors That Influence STN

  • Central bank monetary policy
  • Economic indicators
  • Trade balance
  • Political stability
  • Global market conditions

About the Nigerian Naira (NGN)

The Nigerian Naira (NGN) is the currency of Africa's largest economy. It is managed by the Central Bank of Nigeria and is heavily influenced by oil exports, which account for most of Nigeria's foreign exchange earnings.

Key Factors That Influence NGN

  • Oil prices and production
  • CBN exchange rate policy
  • Diaspora remittances
  • Foreign investment flows
  • Inflation and monetary policy

Understanding the STN/NGN Exchange Rate

The STN/NGN exchange rate tells you how many Nigerian naira you get for 1 São Tomé and Príncipe Dobra. This is the mid-market rate — the real exchange rate without any markup. It's the same rate used by Google Finance.

AllRatesToday provides this rate via a free REST API, updated every 60 seconds from institutional foreign exchange market data. Integrate live STN/NGN rates into your app with our official SDKs for JavaScript, Python, PHP, and React.

The exchange rate between STN and NGN fluctuates based on supply and demand in the foreign exchange market. Economic data releases, central bank announcements, and geopolitical events can all cause significant movements in the rate.

Currency converter API for STN to NGN

The rate above comes from the AllRatesToday API. Each call below is one HTTP request that returns JSON for STN/NGN.

The live rate needs a free API key, no card required. The ECB example below needs no key at all.

Get a free API key Already registered? Copy your key from the dashboard.

Live mid-market rate

The number shown on this page, refreshed every 60 seconds across 163 currencies. Use it for pricing, checkout and anything a customer sees.

curl "https://allratestoday.com/api/v1/rates?source=STN&target=NGN" \
  -H "Authorization: Bearer art_live_your_key"

Response (live, when this page was generated):

[
  {
    "rate": 64.0963,
    "source": "STN",
    "target": "NGN",
    "time": "2026-10-27T14:09:01+0000"
  }
]

Several targets in one call return one row per pair:

curl "https://allratestoday.com/api/v1/rates?source=STN&target=NGN,EUR,GBP" \
  -H "Authorization: Bearer art_live_your_key"

Official central bank rate

The rate a named institution published for a date, from 122 central banks and 4 tax authorities. It never changes after publication, which is what tax filings, customs and audits require. 

curl "https://allratestoday.com/api/v1/central-bank/cbn/latest?source=STN&target=NGN" \
  -H "Authorization: Bearer art_live_your_key"

Central Bank of Nigeria: live example responses · All 126 sources · Endpoint reference

Official SDKs

npm install @allratestoday/sdk · pip install allratestoday · composer require allratestoday/sdk

For AI agents

An MCP server — @allratestoday/mcp-server — lets Claude, Cursor and other MCP clients pull these rates directly, no glue code.

Free tier

No credit card, no trial expiry. Paid plans start at €4.99/month for 5,000 requests a month.

Which one do you need? If a regulator, tax authority or auditor names the source, use the official rate — the two can differ by several percent on the same day. For everything a customer sees, use the mid-market rate. On weekends and holidays the official endpoints return the most recent published date, which is the figure compliance rules expect you to apply.

Official STN and NGN Central Bank Rates

The rate on this page is the live mid-market rate. For tax filings, customs valuations, audits, and compliant invoicing you often need the official reference rate published by the central bank instead. AllRatesToday also serves published central-bank rates as JSON, with history and a free latest-rates tier.

Banco Central de São Tomé e Príncipe official rates → Central Bank of Nigeria official rates → All central banks →

How STN/NGN Exchange Rates Work

Exchange rates are determined by supply and demand in the global foreign exchange (forex) market, the largest financial market in the world with over $6 trillion traded daily.

Floating vs Fixed Rates: Most major currencies like STN and NGN have floating exchange rates, meaning their value is determined by market forces. Some currencies are pegged to another currency (usually USD) at a fixed rate.

Bid and Ask Prices: In forex markets, currencies are quoted with a bid price (what buyers pay) and ask price (what sellers receive). The mid-market rate shown on this page is the midpoint between these two prices.

Rate Fluctuations: The STN/NGN rate can change every second during trading hours. Major economic announcements, interest rate decisions, and geopolitical events can cause significant moves in either direction.

Frequently Asked Questions About STN/NGN

How do I convert STN to NGN?

To convert STN to NGN: (1) Use the calculator above to see the live mid-market rate. (2) For programmatic access, call our API: GET /api/v1/rates?source=STN&target=NGN. Current rate: 1 STN = 64.0963 NGN. Get your free API key at allratestoday.com/register.

What is 1 STN in NGN today?

1 STN equals 64.0963 NGN as of today. This is the mid-market exchange rate, which is the real rate without any bank markup. Rates fluctuate constantly based on market conditions, so check back regularly for updates.

Is the STN going up or down against NGN today?

The STN/NGN exchange rate fluctuates throughout the day based on market conditions. Today's rate is 1 STN = 64.0963 NGN. Check our historical chart above to see the trend over the past day, week, month, or year to understand whether STN is strengthening or weakening against NGN.

What is the best time to buy NGN with STN?

The best time to exchange STN to NGN depends on market conditions. Generally, rates tend to be more favorable during overlapping trading hours between major financial centers (London, New York, Tokyo). Avoid exchanging during weekends or bank holidays when spreads may be wider. Use our historical chart to identify trends and consider setting up rate alerts.

Why is STN falling or rising against NGN?

Exchange rates between STN and NGN are influenced by: interest rate differentials between central banks, inflation rates, GDP and economic growth data, trade balances, political stability, and global market sentiment. Major announcements from the Federal Reserve, ECB, or other central banks can cause significant short-term movements in the STN/NGN rate.

How can I get STN/NGN rates in my app?

Use the AllRatesToday API: (1) Register for a free API key at allratestoday.com/register. (2) Call GET /api/v1/rates?source=STN&target=NGN with your Bearer token. (3) Rates update every 60 seconds from institutional foreign exchange market data. (4) Install our official SDK for JavaScript (npm), Python (PyPI), or PHP (Packagist) for even faster integration.

What is the mid-market rate for STN/NGN?

The mid-market rate (also called the interbank rate) is the midpoint between buy and sell prices in global currency markets. The current mid-market rate is 1 STN = 64.0963 NGN. This is the "real" exchange rate without any bank markup. AllRatesToday provides this rate via a free API, sourced from institutional foreign exchange market data.

What is the CBN rate for STN/NGN?

The CBN (Central Bank of Nigeria) rate is the official exchange rate set by Nigeria's central bank. This rate is used for official government transactions and some regulated business dealings. However, the parallel market rate, which reflects actual supply and demand, is often significantly different and is the rate most Nigerians encounter in daily currency exchanges.

Why is there a difference between CBN and parallel market rates?

The gap between CBN and parallel market rates exists due to foreign currency supply restrictions, high demand for foreign exchange, and limited access to official channels. The parallel market (sometimes called "black market") operates based on actual market forces, while the CBN rate is controlled by the central bank.

Which rate does the AllRatesToday API use for NGN?

The AllRatesToday API returns mid-market rates sourced from institutional foreign exchange market data. For NGN, this reflects the interbank market rate. The exact rate updates every 60 seconds. Use our API to get the current rate programmatically for your application.

Other STN conversions

Building STN/NGN into software?

These rates come from the AllRatesToday API. If you need them in an application rather than on a page, these are the places to start:

Packages and open data