Hong Kong Dollar (HKD)

HKD Exchange Rate API

Get live Hong Kong Dollar (HKD) exchange rates in your app, spreadsheet or backend with one HTTPS request. The AllRatesToday API returns HKD mid-market rates against 160+ currencies as JSON, converts amounts, serves past dates and date ranges, and also returns the official rate published by Hong Kong Monetary Authority.

Endpoints for HKD

Send your key as Authorization: Bearer YOUR_API_KEY. The open ECB endpoint needs no key; public pages that display the rates carry a visible link to AllRatesToday.

Example request

curl "https://allratestoday.com/api/v1/rates?source=HKD&target=USD" \
  -H "Authorization: Bearer YOUR_API_KEY"

import AllRatesToday from '@allratestoday/sdk';

const client = new AllRatesToday('YOUR_API_KEY');
const rate = await client.getRate('HKD', 'USD');
console.log(rate);

from allratestoday import AllRatesToday

client = AllRatesToday(api_key="YOUR_API_KEY")
rate = client.get_rate("HKD", "USD")
print(rate)

Example response

[
  {
    "rate": 0.0000,
    "source": "HKD",
    "target": "USD",
    "time": "2026-11-01T12:00:00Z"
  }
]

The rate value above is filled in from the live HKD/USD rate when the page loads.

What developers build with HKD rates

• Prices in HKD: show product prices, subscriptions or quotes in Hong Kong Dollar for visitors in Hong Kong.
• Checkout and invoicing: convert order totals to or from HKD at the current rate and store the rate used.
• Accounting and reporting: pull daily HKD rates for month-end revaluation, using the official Hong Kong Monetary Authority rate where the rules require it.
• Dashboards and spreadsheets: download HKD history as CSV or Excel, or sync rates into an ERP with the accounting integrations.
• AI agents: give an assistant live HKD rates through the hosted MCP server.