Date Calculator
Date Calculator is a simple tool for calculating date differences. It returns the calculated date difference based on the dates provided.
This API provides reliable and fast access to date calculator data through a simple REST interface. Built for developers who need consistent, high-quality results with minimal setup time.
To use this API, you need an API key. You can get one by creating a free account and visiting your dashboard.
View API in DirectoryEndpoint
GET https://api.apiverve.com/v1/datecalculatorCode Examples
Here are examples of how to call this API in different programming languages:
curl -X GET \
"https://api.apiverve.com/v1/datecalculator?start=2022-01-01&end=2022-12-31" \
-H "X-API-Key: your_api_key_here"const response = await fetch('https://api.apiverve.com/v1/datecalculator', {
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/datecalculator', 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/datecalculator', 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/datecalculator');
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/datecalculator", 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/datecalculator')
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))Authentication
This API requires authentication via API key. Include your API key in the request header:
X-API-Key: your_api_key_hereParameters
The following parameters are available for this API endpoint:
| Parameter | Type | Required | Location | Description | Example |
|---|---|---|---|---|---|
| start | string | Yes | query | The start date for calculating the difference (format: YYYY-MM-DD) | 2022-01-01 |
| end | string | Yes | query | The end date for calculating the difference (format: YYYY-MM-DD) | 2024-08-31 |
Response
The API returns responses in JSON, XML, and YAML formats:
Example Responses
{
"status": "ok",
"error": null,
"data": {
"minutes": 524160,
"hours": 8736,
"days": 364,
"weeks": 52,
"months": 11,
"years": 0,
"start": {
"date": "2022-01-01",
"day": "Saturday",
"month": "January",
"year": "2022",
"words": "Saturday, January 1st 2022"
},
"end": {
"date": "2022-12-31",
"day": "Saturday",
"month": "December",
"year": "2022",
"words": "Saturday, December 31st 2022"
}
}
}<Root>
<status>ok</status>
<error />
<data>
<minutes>524160</minutes>
<hours>8736</hours>
<days>364</days>
<weeks>52</weeks>
<months>11</months>
<years>0</years>
<start>
<date>2022-01-01</date>
<day>Saturday</day>
<month>January</month>
<year>2022</year>
<words>Saturday, January 1st 2022</words>
</start>
<end>
<date>2022-12-31</date>
<day>Saturday</day>
<month>December</month>
<year>2022</year>
<words>Saturday, December 31st 2022</words>
</end>
</data>
</Root>status: ok
error:
data:
minutes: 524160
hours: 8736
days: 364
weeks: 52
months: 11
years: 0
start:
date: 2022-01-01
day: Saturday
month: January
year: 2022
words: Saturday, January 1st 2022
end:
date: 2022-12-31
day: Saturday
month: December
year: 2022
words: Saturday, December 31st 2022Response 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 | {...} |
Response Data Fields
When the request is successful, the data object contains the following fields:
| Field | Type | Sample Value |
|---|---|---|
| minutes | number | 524160 |
| hours | number | 8736 |
| days | number | 364 |
| weeks | number | 52 |
| months | number | 11 |
| years | number | 0 |
| start | object | {...} |
| start.date | string | "2022-01-01" |
| start.day | string | "Saturday" |
| start.month | string | "January" |
| start.year | string | "2022" |
| start.words | string | "Saturday, January 1st 2022" |
| end | object | {...} |
| end.date | string | "2022-12-31" |
| end.day | string | "Saturday" |
| end.month | string | "December" |
| end.year | string | "2022" |
| end.words | string | "Saturday, December 31st 2022" |
Headers
Required and optional headers for API requests:
| Header Name | Required | Example Value | Description |
|---|---|---|---|
| X-API-Key | Yes | your_api_key_here | Your APIVerve API key. Found in your dashboard under API Keys. |
| Accept | No | application/json | Specify response format: application/json (default), application/xml, or application/yaml |
| User-Agent | No | MyApp/1.0 | Identifies your application for analytics and debugging purposes |
| X-Request-ID | No | req_123456789 | Custom request identifier for tracking and debugging requests |
| Cache-Control | No | no-cache | Control caching behavior for the request and response |
Client Libraries
To get started with minimal code, most of our APIs are available through client libraries and clients:
Error Codes
The API uses standard HTTP status codes to indicate success or failure:
| Status Code | Message | Description |
|---|---|---|
| 200 | OK | Request successful, data returned |
| 400 | Bad Request | Invalid request parameters or malformed request |
| 401 | Unauthorized | Missing or invalid API key |
| 403 | Forbidden | API key does not have permission for this endpoint |
| 429 | Too Many Requests | Rate limit exceeded, please slow down requests |
| 500 | Internal Server Error | Server error, please try again later |
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