Currencies

Enumerate supported currencies and their properties. Concepts — code suffixes, the three request formats, extra IDs — are explained in Currencies & Networks.

List Currencies

GET /currency/

Request

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

Authentication: API key required — see Authentication.

Parameters: none. The response is a plain array (no pagination).

Response

Field	Type	Description
code	string	Internal currency code (ISO code for fiat, ticker + network suffix for multi-network tokens)
name	string	Currency name
is_fiat	boolean	true for fiat currencies
min_confirmations	integer/null	Confirmations required to credit a deposit (null for fiat)
contract_address	string/null	Token contract address (null for native currencies)
network	string/null	Network this currency lives on (null for fiat and some natives)
withdrawal_fee	string	Withdrawal fee in this currency
extra_id	string/null	Type of extra ID the currency requires (memo, destination_tag, …) or null
decimals	integer	Decimal places
common_symbol	string/null	Widely used external ticker (e.g. Binance mapping); falls back to code when no mapping exists. Use for display

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,
    "common_symbol": "BTC"
  },
  {
    "code": "USDTERC",
    "name": "Tether (Ethereum)",
    "min_confirmations": 12,
    "is_fiat": false,
    "contract_address": "0xdAC17F958D2ee523a2206206994597C13D831ec7",
    "withdrawal_fee": "4.00000000",
    "extra_id": null,
    "network": "ETH",
    "decimals": 6,
    "common_symbol": "USDT"
  },
  {
    "code": "USD",
    "name": "USD",
    "min_confirmations": null,
    "is_fiat": true,
    "contract_address": null,
    "withdrawal_fee": "0.00000000",
    "extra_id": null,
    "network": null,
    "decimals": 8,
    "common_symbol": "USD"
  }
]

Get Currency Details

GET /currency/{code}/

Path parameters:

Parameter	Type	Required	Description
code	string	Yes	Currency code, pattern ^[A-Z0-9]+$ (e.g. BTC, USDTERC)

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

{
  "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"
}

Errors

Status	Meaning	Body
401	Missing/invalid API key	{"detail": "Authentication credentials were not provided."}
404	Unknown currency code	{"detail": "Not found"}

Next steps

• Currencies & Networks concepts
• Networks · Pairs · Rates