Benchmark Rate API
Benchmark Rate is a tool for retrieving current risk-free reference rates that replaced LIBOR. It returns rates for SOFR (US), SONIA (UK), ESTR (EU), TONA (Japan), and SARON (Switzerland).
The Benchmark Rate API provides reliable and fast access to benchmark rate data through a simple REST interface. Built for developers who need consistent, high-quality results with minimal setup time.
To use Benchmark Rate, you need an API key. You can get one by creating a free account and visiting your dashboard.
GET Endpoint
https://api.apiverve.com/v1/benchmarkrateCode Examples
Here are examples of how to call the Benchmark Rate API in different programming languages:
curl -X GET \
"https://api.apiverve.com/v1/benchmarkrate?rate=SOFR" \
-H "X-API-Key: your_api_key_here"const response = await fetch('https://api.apiverve.com/v1/benchmarkrate?rate=SOFR', {
method: 'GET',
headers: {
'X-API-Key': 'your_api_key_here',
'Content-Type': 'application/json'
}
});
const data = await response.json();
console.log(data);import requests
headers = {
'X-API-Key': 'your_api_key_here',
'Content-Type': 'application/json'
}
response = requests.get('https://api.apiverve.com/v1/benchmarkrate?rate=SOFR', headers=headers)
data = response.json()
print(data)const https = require('https');
const url = require('url');
const options = {
method: 'GET',
headers: {
'X-API-Key': 'your_api_key_here',
'Content-Type': 'application/json'
}
};
const req = https.request('https://api.apiverve.com/v1/benchmarkrate?rate=SOFR', options, (res) => {
let data = '';
res.on('data', (chunk) => data += chunk);
res.on('end', () => console.log(JSON.parse(data)));
});
req.end();<?php
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'https://api.apiverve.com/v1/benchmarkrate?rate=SOFR');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'GET');
curl_setopt($ch, CURLOPT_HTTPHEADER, [
'X-API-Key: your_api_key_here',
'Content-Type: application/json'
]);
$response = curl_exec($ch);
curl_close($ch);
$data = json_decode($response, true);
print_r($data);
?>package main
import (
"fmt"
"io"
"net/http"
)
func main() {
req, _ := http.NewRequest("GET", "https://api.apiverve.com/v1/benchmarkrate?rate=SOFR", nil)
req.Header.Set("X-API-Key", "your_api_key_here")
req.Header.Set("Content-Type", "application/json")
client := &http.Client{}
resp, err := client.Do(req)
if err != nil {
panic(err)
}
defer resp.Body.Close()
body, _ := io.ReadAll(resp.Body)
fmt.Println(string(body))
}require 'net/http'
require 'json'
uri = URI('https://api.apiverve.com/v1/benchmarkrate?rate=SOFR')
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true
request = Net::HTTP::Get.new(uri)
request['X-API-Key'] = 'your_api_key_here'
request['Content-Type'] = 'application/json'
response = http.request(request)
puts JSON.pretty_generate(JSON.parse(response.body))using System;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
class Program
{
static async Task Main(string[] args)
{
using var client = new HttpClient();
client.DefaultRequestHeaders.Add("X-API-Key", "your_api_key_here");
var response = await client.GetAsync("https://api.apiverve.com/v1/benchmarkrate?rate=SOFR");
response.EnsureSuccessStatusCode();
var responseBody = await response.Content.ReadAsStringAsync();
Console.WriteLine(responseBody);
}
}Authentication
The Benchmark Rate API requires authentication via API key. Include your API key in the request header:
X-API-Key: your_api_key_hereInteractive API Playground
Test the Benchmark Rate API directly in your browser with live requests and responses.
Parameters
The following parameters are available for the Benchmark Rate API:
Get Benchmark Rate
| Parameter | Type | Required | Description | Default | Example |
|---|---|---|---|---|---|
rate | string | required | The benchmark rate to retrieve Supported values: SOFRSONIAESTRTONASARON | - |
Response
The Benchmark Rate API returns responses in JSON, XML, YAML, and CSV formats:
Example Responses
{
"status": "ok",
"error": null,
"data": {
"rate": "SOFR",
"name": "Secured Overnight Financing Rate",
"currency": "USD",
"region": "United States",
"administrator": "Federal Reserve Bank of New York",
"value": 4.32,
"date": "2026-02-04",
"lastUpdated": "2026-02-05T05:00:00.000Z",
"change1d": -0.01,
"changeDirection": "down",
"previousValue": 4.33,
"previousDate": "2026-02-03"
}
}<?xml version="1.0" encoding="UTF-8"?>
<response>
<status>ok</status>
<error xsi:nil="true" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"/>
<data>
<rate>SOFR</rate>
<name>Secured Overnight Financing Rate</name>
<currency>USD</currency>
<region>United States</region>
<administrator>Federal Reserve Bank of New York</administrator>
<value>4.32</value>
<date>2026-02-04</date>
<lastUpdated>2026-02-05T05:00:00.000Z</lastUpdated>
<change1d>-0.01</change1d>
<changeDirection>down</changeDirection>
<previousValue>4.33</previousValue>
<previousDate>2026-02-03</previousDate>
</data>
</response>
status: ok
error: null
data:
rate: SOFR
name: Secured Overnight Financing Rate
currency: USD
region: United States
administrator: Federal Reserve Bank of New York
value: 4.32
date: '2026-02-04'
lastUpdated: '2026-02-05T05:00:00.000Z'
change1d: -0.01
changeDirection: down
previousValue: 4.33
previousDate: '2026-02-03'
| key | value |
|---|---|
| rate | SOFR |
| name | Secured Overnight Financing Rate |
| currency | USD |
| region | United States |
| administrator | Federal Reserve Bank of New York |
| value | 4.32 |
| date | 2026-02-04 |
| lastUpdated | 2026-02-05T05:00:00.000Z |
| change1d | -0.01 |
| changeDirection | down |
| previousValue | 4.33 |
| previousDate | 2026-02-03 |
Response Structure
All API responses follow a consistent structure with the following fields:
| Field | Type | Description | Example |
|---|---|---|---|
status | string | Indicates whether the request was successful ("ok") or failed ("error") | ok |
error | string | null | Contains error message if status is "error", otherwise null | null |
data | object | null | Contains the API response data if successful, otherwise null | {...} |
Learn more about response formats →
Response Data Fields
When the request is successful, the data object contains the following fields:
| Field | Type | Sample Value | Description |
|---|---|---|---|
rate | string | Benchmark rate code (SOFR, SONIA, ESTR, TONA, SARON) | |
name | string | Full name of the benchmark rate | |
currency | string | Currency denomination of the benchmark rate | |
region | string | Geographic region where the rate applies | |
administratorPremium | string | Institution or entity administering the benchmark rate | |
value | number | Current benchmark rate percentage value | |
date | string | Date of the benchmark rate value (YYYY-MM-DD format) | |
lastUpdatedPremium | string | Last update timestamp in ISO 8601 format | |
change1dPremium | number | Rate change from previous day | |
changeDirection | string | Direction of daily change: up, down, or unchanged | |
previousValuePremium | number | Previous day's rate value | |
previousDatePremium | string | Previous data date (YYYY-MM-DD format) |
Headers
Required and optional headers for Benchmark Rate API requests:
| Header Name | Required | Example Value | Description |
|---|---|---|---|
X-API-Key | required | your_api_key_here | Your APIVerve API key. Found in your dashboard under API Keys. |
Accept | optional | application/json | Specify response format: application/json (default), application/xml, or application/yaml |
User-Agent | optional | MyApp/1.0 | Identifies your application for analytics and debugging purposes |
X-Request-ID | optional | req_123456789 | Custom request identifier for tracking and debugging requests |
Cache-Control | optional | no-cache | Control caching behavior for the request and response |
GraphQL AccessALPHA
Access Benchmark Rate through GraphQL to combine it with other API calls in a single request. Query only the benchmark rate data you need with precise field selection, and orchestrate complex data fetching workflows.
Credit Cost: Each API called in your GraphQL query consumes its standard credit cost.
POST https://api.apiverve.com/v1/graphqlquery {
benchmarkrate(
input: {
rate: "SOFR"
}
) {
rate
name
currency
region
administrator
value
date
lastUpdated
change1d
changeDirection
previousValue
previousDate
}
}Note: Authentication is handled via the x-api-key header in your GraphQL request, not as a query parameter.
CORS Support
The Benchmark Rate API supports Cross-Origin Resource Sharing (CORS) with wildcard configuration, allowing you to call Benchmark Rate directly from browser-based applications without proxy servers.
| CORS Header | Value | Description |
|---|---|---|
Access-Control-Allow-Origin | * | Accepts requests from any origin |
Access-Control-Allow-Methods | * | Accepts any HTTP method |
Access-Control-Allow-Headers | * | Accepts any request headers |
Browser Usage: You can call Benchmark Rate directly from JavaScript running in the browser without encountering CORS errors. No proxy server or additional configuration needed.
Rate Limiting
Benchmark Rate API requests are subject to rate limiting based on your subscription plan. These limits ensure fair usage and maintain service quality for all Benchmark Rate users.
| Plan | Rate Limit | Description |
|---|---|---|
| Free | 5 requests/min | Hard rate limit enforced - exceeding will return 429 errors |
| Starter | No Limit | Production ready - standard traffic priority |
| Pro | No Limit | Production ready - preferred traffic priority |
| Mega | No Limit | Production ready - highest traffic priority |
Learn more about rate limiting →
Rate Limit Headers
When rate limits apply, each Benchmark Rate response includes headers to help you track your usage:
| Header | Description |
|---|---|
X-RateLimit-Limit | Maximum number of requests allowed per time window |
X-RateLimit-Remaining | Number of requests remaining in the current window |
X-RateLimit-Reset | Unix timestamp when the rate limit window resets |
Handling Rate Limits
Free Plan: When you exceed your rate limit, Benchmark Rate returns a 429 Too Many Requests status code. Your application should implement appropriate backoff logic to handle this gracefully.
Paid Plans: No rate limiting or throttling applied. All paid plans (Starter, Pro, Mega) are production-ready.
Best Practices for Benchmark Rate:
- Monitor the rate limit headers to track your Benchmark Rate usage (Free plan only)
- Cache benchmark rate responses where appropriate to reduce API calls
- Upgrade to Pro or Mega for guaranteed no-throttle Benchmark Rate performance
Note: Benchmark Rate rate limits are separate from credit consumption. You may have credits remaining but still hit rate limits when using Benchmark Rate on Free tier.
Error Codes
The Benchmark Rate API uses standard HTTP status codes to indicate success or failure:
| Code | Message | Description | Solution |
|---|---|---|---|
200 | OK | Request successful, data returned | No action needed - request was successful |
400 | Bad Request | Invalid request parameters or malformed request | Check required parameters and ensure values match expected formats |
401 | Unauthorized | Missing or invalid API key | Include x-api-key header with valid API key from dashboard |
403 | Forbidden | API key lacks permission or insufficient credits | Check credit balance in dashboard or upgrade plan |
429 | Too Many Requests | Rate limit exceeded (Free: 5 req/min) | Implement request throttling or upgrade to paid plan |
500 | Internal Server Error | Server error occurred | Retry request after a few seconds, contact support if persists |
503 | Service Unavailable | API temporarily unavailable | Wait and retry, check status page for maintenance updates |
Learn more about error handling →
Need help? Contact support with your X-Request-ID for assistance.
Integrate Benchmark Rate with SDKs
Get started quickly with official Benchmark Rate SDKs for your preferred language. Each library handles authentication, request formatting, and error handling automatically.
Available for Node.js, Python, C#/.NET, and Android/Java. All SDKs are open source and regularly updated.
Integrate Benchmark Rate with No-Code API Tools
Connect the Benchmark Rate API to your favorite automation platform without writing code. Build workflows that leverage benchmark rate data across thousands of apps.





All platforms use your same API key to access Benchmark Rate. Visit our integrations hub for step-by-step setup guides.
Frequently Asked Questions
How do I get an API key for Benchmark Rate?
How many credits does Benchmark Rate cost?
Each successful Benchmark Rate API call consumes credits based on plan tier. Check the pricing section above for the exact credit cost. Failed requests and errors don't consume credits, so you only pay for successful benchmark rate lookups.
Can I use Benchmark Rate in production?
The free plan is for testing and development only. For production use of Benchmark Rate, upgrade to a paid plan (Starter, Pro, or Mega) which includes commercial use rights, no attribution requirements, and guaranteed uptime SLAs. All paid plans are production-ready.
Can I use Benchmark Rate from a browser?
What happens if I exceed my Benchmark Rate credit limit?
When you reach your monthly credit limit, Benchmark Rate API requests will return an error until you upgrade your plan or wait for the next billing cycle. You'll receive notifications at 80% and 95% usage to give you time to upgrade if needed.



