Currency Conversion
    To make currency conversions in user's account, convert_currency scope is needed. As this is
    extended scope, sending of SMS message with code in one of supported ways needs to initiated. After this code
    is provided to the client, it should be sent with token refresh request to extend current token scope with
    convert_currency.
Calculating currency conversion result
This request allows to calculate probable result of currency conversion. As the rates can change in time, the result is not guaranteed to be valid when actual conversion takes place.
Calculation request
GET https://wallet.paysera.com/rest/v1/currency-conversion
Parameters
Parameters are passed in the query string.
from_currency
                to_currency
                from_amount
                to_amount or to_amount_decimal is not provided.
         unavailable if to_amount or to_amount_decimal is provided
                from_amount_decimal
                to_amount or to_amount_decimal is not provided.
         unavailable if to_amount or to_amount_decimal is provided
                to_amount
                from_amount or from_amount_decimal  is not provided.
         unavailable if from_amount or from_amount_decimal is provided
                to_amount_decimal
                from_amount or from_amount_decimal is not provided.
         unavailable if from_amount or from_amount_decimal is provided
                account_number
                Response data structure
from_currency
                to_currency
                from_amount
                from_amount_decimal
                to_amount
                to_amount_decimal
                account_number
                Example requests
GET /rest/v1/currency-conversion?from_currency=EUR&to_currency=USD&to_amount=200 HTTP/1.1 Host: wallet.paysera.com User-Agent: Paysera WalletApi PHP library Authorization: MAC id="wkVd93h2uS", ts="1343811600", nonce="nQnNaSNyubfPErjRO55yaaEYo9YZfKHN", mac="TjBTboV3iZkrUvu6wHxXeflNF0INZ8TZmzK/G8Utj4E="
GET /rest/v1/currency-conversion?from_currency=EUR&to_currency=USD&from_amount=150 HTTP/1.1 Host: wallet.paysera.com User-Agent: Paysera WalletApi PHP library Authorization: MAC id="wkVd93h2uS", ts="1343811600", nonce="nQnNaSNyubfPErjRO55yaaEYo9YZfKHN", mac="KwCRgR3O9cWGni/fkUPjVBLfl5cCURgLHIc7yppjFHw="
Example response
HTTP/1.1 200 OK Content-type: application/json;charset=utf-8
{
    "from_currency": "EUR",
    "to_currency": "USD",
    "from_amount": 150,
    "from_amount_decimal": "1.50",
    "to_amount": 200,
    "to_amount_decimal": "2.00"
}
Converting currency
Currency conversion request
POST https://wallet.paysera.com/rest/v1/currency-conversion
Parameters
from_currency
                to_currency
                from_amount
                to_amount or to_amount_decimal is not provided.
         unavailable if
to_amount or to_amount_decimal is provided
                from_amount_decimal
                to_amount or to_amount_decimal is not provided.
         unavailable if
to_amount or to_amount_decimal is provided
                to_amount
                from_amount or from_amount_decimal  is not provided.
         unavailable if
from_amount or from_amount_decimal is provided
                to_amount_decimal
                from_amount or from_amount_decimal is not provided.
         unavailable if
from_amount or from_amount_decimal is provided
                account_number
                max_from_amount
                from_amount or from_amount_decimal provided
                max_from_amount_decimal
                from_amount or from_amount_decimal provided
                min_to_amount
                to_amount to_amount_decimal provided
                min_to_amount_decimal
                to_amount to_amount_decimal provided
                Response data structure
id
                date
                from_currency
                to_currency
                from_amount
                from_amount_decimal
                to_amount
                to_amount_decimal
                account_number
                Error codes
            not_found
             - account was not found by given ID
        
            no_rights
             - user has no needed permissions to execute currency conversions in this account
        
            not_enough_funds
             - there is not enough funds to perform this operation
        
            limits_exceeded
             - currency conversion limits were exceeded
        
                expectation_failed
                 - conversion price or result did not match expectations (provided by max_from_amount or min_to_amount parameters)
            
Example request
POST /rest/v1/currency-conversion HTTP/1.1 Host: wallet.paysera.com Content-Type: application/json;charset=utf-8 User-Agent: Paysera WalletApi PHP library Authorization: MAC id="wkVd93h2uS", ts="1343811600", nonce="nQnNaSNyubfPErjRO55yaaEYo9YZfKHN", mac="+ZVwDWDVqqhjTeA5t6cW4ZtgcXI9ikDH3oKzzWEHDfI=", ext="body_hash=%2FnvaEOVnCNABstYnlN4pVfw3f6FElVlYw5CNvgYzBls%3D"
{
    "from_currency": "EUR",
    "to_currency": "USD",
    "to_amount": 200,
    "account_number": "EVP0010001000101",
    "max_from_amount": 150
}
Example response
HTTP/1.1 200 OK Content-type: application/json;charset=utf-8
{
    "id": 11221,
    "date": 1391686980,
    "from_currency": "EUR",
    "to_currency": "USD",
    "from_amount": 150,
    "from_amount_decimal": "1.50",
    "to_amount": 200,
    "to_amount_decimal": "2.00",
    "account_number": "EVP0010001000101"
}
        