Currency Converter

Finance Credits / request: 1

Converts an amount using TCMB or ECB rates. TCMB default quote is forex selling.

GET https://api.apikodu.com/api/v1/exchangerates/convert

Documentation

Overview

Converts an amount using TCMB or ECB rates. TCMB is TRY-based; ECB is EUR-based. from=to yields rate=1.

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/exchangerates/convert?amount=100&from=USD&to=TRY&source=tcmb&quote=forexSelling

Query string. POST JSON body is also accepted.

Parameters

Name	Type	Required	Default	Options	Description
`amount`	number	* Required	—	—	Amount greater than zero.
`from`	string	* Required	—	`USD` `AUD` `DKK` `EUR` `GBP` `CHF` `SEK` `CAD` `KWD` `NOK` `SAR` `JPY` `BGN` `RON` `RUB` `IRR` `CNY` `PKR` `QAR` `KRW` `AZN` `AED` `XDR` `TRY`	Source ISO 4217.
`to`	string	* Required	—	—	Target ISO 4217.
`source`	string	Optional	`tcmb`	`tcmb` `ecb`	tcmb or ecb.
`quote`	string	Optional	`forexSelling`	`forexSelling` `forexBuying` `banknoteSelling` `banknoteBuying`	TCMB quote only.

Response

Name	Type	Description
`amount`	number	Requested amount.
`from`	string	Normalized source code.
`to`	string	Normalized target code.
`result`	number	Converted amount.
`rate`	number	1 from = rate to.
`inverseRate`	number	1 to = inverseRate from.
`source`	string	TCMB or ECB.
`quote`	string	TCMB quote name. Null for ECB.
`date`	string	Rate date as ISO datetime.

Errors

HTTP	code	Description
`400`	`-278`	amount missing or ≤ 0.
`400`	`-225`	from/to/source invalid or not in the rate list.
`400`	`-279`	quote is not a TCMB quote name.
`503`	`-224`	TCMB cache empty (source=tcmb).
`503`	`-226`	ECB cache empty (source=ecb).
`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": {
    "amount": 100.0,
    "from": "USD",
    "to": "TRY",
    "result": 3358.18,
    "rate": 33.5818,
    "inverseRate": 0.029778,
    "source": "TCMB",
    "quote": "forexSelling",
    "date": "2026-09-03T00:00:00Z"
  }
}

Code samples

  
      const response = await fetch('https://api.apikodu.com/api/v1/exchangerates/convert', {
        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/exchangerates/convert', 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/exchangerates/convert");
      Console.WriteLine(response);

  
      $response = file_get_contents('https://api.apikodu.com/api/v1/exchangerates/convert', 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/exchangerates/convert' \
        -H 'x-api-key: YOUR_API_KEY'

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