$Percentage Calculation$

Percentage Calculation

Math & Calculations Credits / request: 1

Calculates percent of, increase, decrease, ratio and percent change.

GET https://api.apikodu.com/api/v1/math/percentage

Documentation

Overview

Percentage calculations: of, increase, decrease, ratio, change.

Authentication

Every request requires the x-api-key header. Credits used and remaining quota are returned in response headers (x-api-credits-used, x-api-remaining-credits, x-rate-limit-*).

Request

GET https://api.apikodu.com/api/v1/math/percentage?value=80&rate=25&mode=of

Query string.

Parameters

Name	Type	Required	Default	Options	Description
`value`	number	* Required	—	—	Main number.
`rate`	number	Optional	—	—	Percent for of/increase/decrease.
`mode`	string	Optional	`of`	`of` `increase` `decrease` `ratio` `change`	of: percent of. increase/decrease: add/subtract. ratio: value as % of valueTo. change: percent change.
`valueTo`	number	Optional	—	—	Second number for ratio and change.

Response

Name	Type	Description
`value`	number	Result. of: percent amount. increase/decrease: new value. ratio/change: percent.
`rate`	number	of/increase/decrease: input rate. ratio/change: computed percent.
`difference`	number	increase/decrease: absolute difference. change: valueTo − value. May be 0 for other modes.
`mode`	string	Applied mode: of, increase, decrease, ratio, change.

Errors

HTTP	code	Description
`400`	`-241`	value is required. of/increase/decrease need rate; ratio/change need valueTo. Number may be out of range.
`400`	`-242`	mode is not of, increase, decrease, ratio or change.
`401`	`-100`	x-api-key is missing, empty, malformed, inactive, banned, expired, IP-restricted, or not allowed for this API.
`429`	`-221`	Per-minute request limit exceeded. Response headers: x-rate-limit-limit, x-rate-limit-remaining, x-rate-limit-reset.
`429`	—	Package credit quota cannot cover this request. Body may be { error, limit, currentUsage, requestCost } (no code field).
`500`	`-1`	Unexpected server error. message is a generic error text without technical details.

Notes

Success body is { data: { ... } }. Error body is { code, message }. code is an ApiResponseCode enum value (negative integer).

Sample response

{
  "data": {
    "value": 20.0,
    "rate": 25.0,
    "difference": 20.0,
    "mode": "of"
  }
}

Code samples

  
      const response = await fetch('https://api.apikodu.com/api/v1/math/percentage', {
        method: 'GET',
        headers: {
          'x-api-key': 'YOUR_API_KEY'
        }
      });

      const data = await response.json();
      console.log(data);

  
      import requests

      headers = {
          'x-api-key': 'YOUR_API_KEY'
      }

      response = requests.get('https://api.apikodu.com/api/v1/math/percentage', headers=headers)
      print(response.json())

  
      using var client = new HttpClient();
      client.DefaultRequestHeaders.Add("x-api-key", "YOUR_API_KEY");

      var response = await client.GetStringAsync("https://api.apikodu.com/api/v1/math/percentage");
      Console.WriteLine(response);

  
      $response = file_get_contents('https://api.apikodu.com/api/v1/math/percentage', false, stream_context_create([
          'http' => [
              'header' => "x-api-key: YOUR_API_KEY"
          ]
      ]));

      print_r(json_decode($response, true));

  
      curl -X GET 'https://api.apikodu.com/api/v1/math/percentage' \
        -H 'x-api-key: YOUR_API_KEY'

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