Bond Yields API
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Bond Yields API
The Bond Yields API delivers immediately real-time government bond yields data. The bond data focuses on treasury notes issued in leading countries worldwide for ten years. Finnworlds database for bond yields contains data on the different government bonds and their corresponding monthly, weekly and yearly percentage changes. Within the bond yield database, you will find European, Asian, African and South-African countries as well as USA and Australia. Over the last 15 years, there has been a steady increase in the investments in bonds. Investors choose 10-year government bonds for three main reasons. First, they are certain about getting the principal of the bond at the end of the maturity, as the governments are less likely to go bankrupt. Secondly, investors receive regular coupon payments. Third, 10-year bonds are regarded as a fixed-income asset. The Bond Yields API tracks the fluctuations of the monthly, weekly and yearly percentage changes in the bond yields. The data on bonds yield is of great importance to investors and prospective buyers of treasury notes. The higher the yield of a bond is, the more increased the coupon payments are.
Bond yields data usage
Finnworlds has a bond yields data users of different background. Many amateur and professional investors, trading platforms, traders and developers use the Bonds Yields API. Investors use the data on bond and bond yields to do their research and make rational investing decisions. They should decide from which country they should buy the bond. Other users like financial analysts use the bond yields data to make evaluations about the interest rate risks and inflation risks occurring with government bonds. Developers use the Bond Yield API to build financial products and application. The bond yields data serves as an input.

How many API calls?
Starter

Includes
- 25.000 API calls
- 40 calls / minute
- Analyst Ratings
- Analyst Consensus
- Commodity Prices
- Bond Yields
- Stock Index
(Other APIs coming soon!)
$199
$19,-
The discounted price is for the initial month, allowing developers to test and implement the API without being charged the full price. The subscription is automatically renewed each month at the normal rate of 199$ for the Starter package. In case the API is not what you are looking for, you can cancel 10 days before renewal by emailing to support@finnworlds.com. If you have questions about our premium monthly subscription packages, contact support@finnworlds.com.
Also see our Cancellation Policy and Terms and Conditions.
Developers

Includes
- 85.000 API calls
- 120 calls / minute
- Analyst Ratings
- Analyst Consensus
- Commodity Prices
- Bond Yields
- Stock Index
(Other APIs coming soon!)
$499
$49,-
The discounted price is for the initial month, allowing developers to test and implement the API without being charged the full price. The subscription is automatically renewed each month at the normal rate of 499$ for the Developers package. In case the API is not what you are looking for, you can cancel 10 days before renewal by emailing to support@finnworlds.com. If you have questions about our premium monthly subscription packages, contact support@finnworlds.com.
Also see our Cancellation Policy and Terms and Conditions.
Enterprise

Includes
- 200.000 API calls
- 300 calls / minute
- Analyst Ratings
- Analyst Consensus
- Commodity Prices
- Bond Yields
- Stock Index
(Other APIs coming soon!)
$1000
$99,-
The discounted price is for the initial month, allowing developers to test and implement the API without being charged the full price. The subscription is automatically renewed each month at the normal rate of 1000$ for the Enterprise package. In case the API is not what you are looking for, you can cancel 10 days before renewal by emailing to support@finnworlds.com. If you have questions about our premium monthly subscription packages, contact support@finnworlds.com.
Also see our Cancellation Policy and Terms and Conditions.
Individual

Includes
- 10.000 API calls
- 15 calls / minute
- Analyst Ratings
- Analyst Consensus
- Commodity Prices
- Bond Yields
- Stock Index
(Other APIs coming soon!)
$99
$9,-
The discounted price is for the initial month, allowing developers to test and implement the API without being charged the full price. The subscription is automatically renewed each month at the normal rate of 99$ for the Individual package. In case the API is not what you are looking for, you can cancel 10 days before renewal by emailing to support@finnworlds.com. If you have questions about our premium monthly subscription packages, contact support@finnworlds.com.
Also see our Cancellation Policy and Terms and Conditions.
Code examples for bond yields data
Code examples for bond yields data
- /bond?key=KEY&country=us
- /bond?key=KEY®ion=america
- /bond?key=KEY&country=us&type=10y
https://api.finnworlds.com/api/v1/bond
?key=API-KEY
&country=us
{
"status": {
"code": 200,
"message": "OK",
"details": ""
},
"result": {
"output": [
{
"region": "america",
"country": "united states",
"type": "10Y",
"yield": "4.1501",
"price_change_day": "0.0819",
"percentage_week": "0.15%",
"percentage_month": "0.27%",
"percentage_year": "2.54%",
"date": "2022:10:25"
}
]
}
}
https://api.finnworlds.com/api/v1/bond
?key=API-KEY
®ion=america
{
"status": {
"code": 200,
"message": "OK",
"details": ""
},
"result": {
"output": [
{
"region": "america",
"country": "brazil",
"type": "10Y",
"yield": "12.13",
"price_change_day": "0.1900",
"percentage_week": "0.22%",
"percentage_month": "0.06%",
"percentage_year": "0.17%",
"date": "2022:10:24"
},
{
"region": "america",
"country": "canada",
"type": "10Y",
"yield": "3.511",
"price_change_day": "0.0640",
"percentage_week": "0.16%",
"percentage_month": "0.28%",
"percentage_year": "1.88%",
"date": "2022:10:25"
},
{
"region": "america",
"country": "chile",
"type": "10Y",
"yield": "6.75",
"price_change_day": "0.0300",
"percentage_week": "0.17%",
"percentage_month": "-0.20%",
"percentage_year": "0.37%",
"date": "2022:10:24"
},
{
"region": "america",
"country": "colombia",
"type": "10Y",
"yield": "14.625",
"price_change_day": "0.3400",
"percentage_week": "0.53%",
"percentage_month": "1.92%",
"percentage_year": "6.93%",
"date": "2022:10:24"
},
{
"region": "america",
"country": "mexico",
"type": "10Y",
"yield": "9.954",
"price_change_day": "0.0040",
"percentage_week": "0.10%",
"percentage_month": "0.30%",
"percentage_year": "2.37%",
"date": "2022:10:25"
},
{
"region": "america",
"country": "united states",
"type": "10Y",
"yield": "4.1481",
"price_change_day": "0.0839",
"percentage_week": "0.15%",
"percentage_month": "0.27%",
"percentage_year": "2.54%",
"date": "2022:10:25"
},
{
"region": "america",
"country": "venezuela",
"type": "10Y",
"yield": "10.429",
"price_change_day": "0.0000",
"percentage_week": "0.00%",
"percentage_month": "0.00%",
"percentage_year": "0.00%",
"date": "2022:10:24"
}
]
}
}
https://api.finnworlds.com/api/v1/bond
?key=API-KEY
&country=us
&type=10y
{
"status": {
"code": 200,
"message": "OK",
"details": ""
},
"result": {
"output": [
{
"region": "america",
"country": "united states",
"type": "10Y",
"yield": "4.1481",
"price_change_day": "0.0839",
"percentage_week": "0.15%",
"percentage_month": "0.27%",
"percentage_year": "2.54%",
"date": "2022:10:25"
}
]
}
}
Objects | Description |
region | Region or continent of which you want all bond yields |
country | Country of which you want all bond yields |
type | Specific type of bond of which you want the data (10y for example) |
price | Last known yield of the bond (updated every minute) |
price_change_day | The point change of the day of the yield |
percentage_day | The day to day percentage change |
percentage_week | The week-based percentage change |
percentage_month | The month-based percentage change |
percentage_year | The Year over Year percentage change |
date | The date of the given information |
Formats to Download the Data
The bond yields data is accessible in three main formats. In this way, Finnworlds fully addresses your needs for data delivery formats. Request your data format and get real-time bond yields data instantly. No matter the format of your choice, you obtain data on bond yields without any differences in the data transfer time. Please, contact support@finnworlds.com for notifying which data format you prefer. You can always change the data delivery format.
Developer Notes
A big advantage of using the Bond Yields API is the retrieval of filtered and bulk data from Finnworlds database. Thus, you are able to get data on bond yields filtered on the name of the country that has issued the 10-year government bond.

SDKs and Devkits
Excel and CSV
Access Bond Yields Data Now!
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