Bank Muscat Exchange Rate API: OMR Buy and Sell Rates as JSON

Bank Muscat is Oman's largest bank. Its treasury page lists buying and selling rates against the rial for about 28 currencies; the page prints no update time. This guide shows how to read that board as JSON: what the rates mean, how they compare with the Central Bank of Oman official rate and with other banks in Oman, and the calls that return them.

What the Bank Muscat board shows

• 28 currencies against the Omani rial: AED, AUD, BDT, BHD, CAD, CHF, CNY, DKK, EGP, EUR, GBP, HKD, INR, JOD, JPY, KWD, LKR, NOK, NZD, PHP, PKR, QAR, SAR, SEK, SGD, THB, USD and ZAR. Every value is OMR per 1 unit of the foreign currency.
• The forex board buy / sell pair. The rial is pegged at 0.3845 per US dollar, so bank USD quotes sit within a fraction of a percent of the peg. Rial rates are quoted to five or six decimals per unit of foreign currency, and the wider spreads are on the remittance currencies such as INR, PKR, BDT and PHP. The Central Bank of Oman official rate is shown next to each row.
• USD on 15 November 2026: Bank Muscat bought at 0.382 and sold at 0.388 OMR, a spread of 1.55%. The Central Bank of Oman official rate was 0.385, so the bank's mid matched it.
• No timestamp on the bank's page. Bank Muscat does not print a last-updated time, so bank_updated_at is null and captured_at (when AllRatesToday read the page) is the only time available.
• Every day's board is kept permanently, from 13 November 2026. Read one past day with ?date=, or a range for one currency with the /history endpoint (paid plans).

Spreads across the board

On the 15 November 2026 board the tightest spreads were INR (0.62%), BDT (0.87%), AED (1.28%) and the widest SEK (4.51%), NOK (4.47%), QAR (3.78%). Spread is (sell − buy) ÷ mid: what a round trip through the bank costs, before any fees. The API returns it on every row as spread_pct, so you can rank currencies or alert when a bank widens its board.

USD at Bank Muscat and other banks in Oman

USD on the 4 boards AllRatesToday reads in Oman, all captured on 15 November 2026 (the Central Bank of Oman official rate was 0.385):

Bank Muscat had the 2nd narrowest USD spread of the 4. One call to /api/v1/bank-rates/om returns every board in the table at once.

Get the board (REST)

You need an API key; the free key works. The full board:

curl "https://allratestoday.com/api/v1/bank-rates/om/bankmuscat" \
  -H "Authorization: Bearer art_live_your_key"

What comes back (the 15 November 2026 board, first three rows):

{
  "bank": "bankmuscat",
  "name": "Bank Muscat",
  "country": "om",
  "quote_ccy": "OMR",
  "bank_updated_at": null,
  "basis": "Forex board buy / sell",
  "captured_at": "2026-11-15T11:15:27.118Z",
  "rates": [
    {"ccy":"AED","buy":0.104155,"sell":0.105495,"mid":0.104825,"spread_pct":1.278,"official":0.1048218,"vs_official_pct":0.003},
    {"ccy":"AUD","buy":0.266529,"sell":0.275706,"mid":0.2711175,"spread_pct":3.385,"official":0.2608375,"vs_official_pct":3.941},
    {"ccy":"BDT","buy":0.003097,"sell":0.003124,"mid":0.0031105,"spread_pct":0.868,"official":0.0030849,"vs_official_pct":0.83},
    … 25 more currencies
  ],
  "disclaimer": "…",
  "attribution": { … }
}

One currency, with the row fields at the top level:

curl "https://allratestoday.com/api/v1/bank-rates/om/bankmuscat?ccy=USD" \
  -H "Authorization: Bearer art_live_your_key"

{
  "bank": "bankmuscat",
  "name": "Bank Muscat",
  "country": "om",
  "quote_ccy": "OMR",
  "bank_updated_at": null,
  "basis": "Forex board buy / sell",
  "captured_at": "2026-11-15T11:15:27.118Z",
  "ccy": "USD",
  "buy": 0.38202,
  "sell": 0.38798,
  "mid": 0.385,
  "spread_pct": 1.548,
  "official": 0.385,
  "vs_official_pct": 0,
  "disclaimer": "Retail buy/sell rates as displayed on each bank’s own website at capture time, quoted as home currency per 1 unit of foreign currency. Indicative only: banks change these through the day, apply them at the counter or in-app, and they are not official or reference rates. For the rate a regulation names, use the central-bank endpoints.",
  "attribution": {
    "source": "Board rates published by Bank Muscat on its own website, collected by AllRatesToday",
    "bank_url": "https://www.bankmuscat.om/en/treasury/Pages/default.aspx#forex",
    "url": "https://allratestoday.com/bank-exchange-rate-api/om/bankmuscat/",
    "terms": "Public pages that show the rates need a visible link to allratestoday.com"
  }
}

The board as it stood on a past day:

curl "https://allratestoday.com/api/v1/bank-rates/om/bankmuscat?date=2026-11-13" \
  -H "Authorization: Bearer art_live_your_key"

One currency over a date range, one row per day (paid plans; add &format=csv, xml or xlsx for a file):

curl "https://allratestoday.com/api/v1/bank-rates/om/bankmuscat/history?ccy=USD&from=2026-11-13&to=2026-11-15" \
  -H "Authorization: Bearer art_live_your_key"

JavaScript

npm install @allratestoday/sdk

import { AllRatesToday } from '@allratestoday/sdk';

const client = new AllRatesToday({ apiKey: 'art_live_your_key' });

// Bank Muscat's USD row
const r = await client.bankRates('om', { bank: 'bankmuscat', ccy: 'USD' });
console.log(`Bank Muscat buys USD at ${r.buy}, sells at ${r.sell} OMR`);

// The board as it stood on a past day
const past = await client.bankRates('om', { bank: 'bankmuscat', date: '2026-11-13' });
console.log(past.snapshot_date, past.rates.length);

Python

import requests

r = requests.get(
    "https://allratestoday.com/api/v1/bank-rates/om/bankmuscat",
    headers={"Authorization": "Bearer art_live_your_key"},
    timeout=10,
)
r.raise_for_status()
for row in r.json()["rates"]:
    print(row["ccy"], row["buy"], row["sell"], row["spread_pct"])

Board rate or official rate?

The Central Bank of Oman rate is the one tax, accounting and customs rules in Oman name; nobody transacts at it. Bank Muscat's board is the price a customer actually gets. The API puts both on every row: official is the central bank's rate for the same currency and vs_official_pct is how far the bank's mid sits from it. Use the board to show customers a real price, compare banks for a remittance, or keep a dated record of what the bank quoted; use the Central Bank of Oman endpoint when a rule asks for the official rate.

FAQ

Where do the Bank Muscat rates come from?

From the bank's own public rates page (https://www.bankmuscat.om/en/treasury/Pages/default.aspx#forex), read hourly. AllRatesToday does not change the numbers: each row is the buy and sell price Bank Muscat shows, with the mid, the spread and the Central Bank of Oman rate added.

Are these the official OMR exchange rates?

No. They are Bank Muscat's retail prices for customers. The official rate in Oman is the Central Bank of Oman rate, which the API returns as official on each row where the central bank has one, and in full from the central-bank endpoint.

How often is the Bank Muscat board updated?

AllRatesToday reads the page every hour. The bank prints no timestamp, so captured_at tells you when the rates were read.

Can I get Bank Muscat rates for a past date?

Yes, from 13 November 2026 onward; every day's board is kept permanently. Add ?date=YYYY-MM-DD for one day: the response is the board captured that day, or the nearest earlier day within five days, with date_requested and snapshot_date added. For a range, /history?ccy=USD&from=…&to=… returns one row per day as JSON, CSV, XML or XLSX on paid plans.

Do I need an API key?

Yes. Commercial bank boards need an API key; any plan works, the free key included, and each call counts against the plan. Public pages or widgets that show the rates need a visible link to allratestoday.com.