Currencies

Get information about cryptocurrencies and fiat currencies supported by Nexchange, including minimum trading amounts and withdrawal fees.

List Currencies

Retrieve the complete list of supported currencies and their properties.

Request

curl -X GET "https://api.n.exchange/en/api/v2/currency/" \
  -H "Accept: application/json" \
  -H "Authorization: ApiKey api_key"

Parameters: None required

Response

Returns an array of currency objects with detailed information about each supported currency in v2 simplified format.

Response Fields:

Field	Type	Description
code	string	Currency code (ISO standard for fiat, ticker symbol for crypto)
name	string	Currency name or description
min_confirmations	integer/null	Minimum confirmations required for this currency (null for fiat)
is_fiat	boolean	Whether this is a fiat currency (false for crypto)
contract_address	string/null	Smart contract address for tokens (null for native currencies)
withdrawal_fee	string	Fee charged for withdrawals in this currency
extra_id	string/null	Type of extra ID required (memo, destination_tag, etc.)
network	string/null	Network name for this currency
decimals	integer	Number of decimal places for this currency

Example Response:

[
  {
    "code": "BTC",
    "name": "bitcoin",
    "min_confirmations": 2,
    "is_fiat": false,
    "contract_address": null,
    "withdrawal_fee": "0.00050000",
    "extra_id": null,
    "network": null,
    "decimals": 8
  },
  {
    "code": "ETH",
    "name": "ethereum",
    "min_confirmations": 12,
    "is_fiat": false,
    "contract_address": null,
    "withdrawal_fee": "0.00500000",
    "extra_id": null,
    "network": null,
    "decimals": 18
  },
  {
    "code": "USD",
    "name": "USD",
    "min_confirmations": null,
    "is_fiat": true,
    "contract_address": null,
    "withdrawal_fee": "0.00000000",
    "extra_id": null,
    "network": null,
    "decimals": 8
  }
]

Get Currency Details

Retrieve detailed information about a specific currency.

Request

curl -X GET "https://api.n.exchange/en/api/v2/currency/BTC/" \
  -H "Accept: application/json" \
  -H "Authorization: ApiKey api_key"

Path Parameters:

Parameter	Type	Required	Description
code	string	Yes	Currency code (e.g., BTC, ETH, USD)

Response

Returns detailed information about the specified currency.

Bitcoin Currency Example:

{
  "code": "BTC",
  "name": "bitcoin",
  "min_confirmations": 2,
  "is_fiat": false,
  "contract_address": null,
  "withdrawal_fee": "0.00050000",
  "extra_id": null,
  "network": null,
  "decimals": 8,
  "common_symbol": "BTC"
}

Token Currency Example (UNI):

{
  "code": "UNI",
  "name": "Uniswap",
  "min_confirmations": 12,
  "is_fiat": false,
  "contract_address": "0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984",
  "withdrawal_fee": "0.11199579",
  "extra_id": null,
  "network": "ETH",
  "decimals": 18,
  "common_symbol": "UNI"
}

Currency Properties

Network Information

• network: Blockchain network for tokens (e.g., "ETH" for ERC-20 tokens)
• contract_address: Smart contract address for tokens (null for native currencies)
• extra_id: Special requirements like memo fields or destination tags

Decimal Precision

• decimals: Number of decimal places supported by the currency
• Used for proper amount formatting and validation

Confirmation Requirements

• min_confirmations: Required blockchain confirmations before deposits are credited
• null for fiat currencies (no blockchain confirmations needed)

Error Responses

404 Not Found

Returned when the specified currency code doesn't exist.

Example:

{
  "detail": "Not found"
}

Next Steps

• Trading Pairs - Learn about available trading pair combinations
• Rates - Get real-time pricing information
• Orders - Create and manage trading orders