A simple CoinMarketCap Pro API v1 client written in C#.
Install with NuGet:
Install-Package CoinMarketCap-API
Currently supports the following endpoints:
- cryptocurrency/info - Get metadata
- cryptocurrency/map - Get CoinMarketCap ID map
- cryptocurrency/listings/latest - List all cryptocurrencies (latest)
- cryptocurrency/listings/historical - List all cryptocurrencies (historical)
- cryptocurrency/market-pairs/latest - Get market pairs (latest)
- cryptocurrency/ohlcv/historical - Get OHLCV values (historical)
- cryptocurrency/quotes/latest - Get market quotes (latest)
- cryptocurrency/quotes/historical - Get market quotes (historical)
- global-metrics/quotes/historical - Get aggregate market metrics (historical)
Get CoinMarketCap ID to symbol map for Chainlink:
var client = new CoinMarketCapClient(yourCmcApiKey);
var listingsResponse = await _client.GetCryptocurrencyIdMapAsync(new IdMapParameters { Symbol = "LINK" }, CancellationToken.None);
Example response (JSON):
{
"status": {
"timestamp": "2018-12-05T01:36:35.604Z",
"error_code": 0,
"error_message": null,
"elapsed": 4,
"credit_count": 1
},
"data": [
{
"id": 1975,
"name": "Chainlink",
"symbol": "LINK",
"slug": "chainlink",
"is_active": 1,
"first_historical_data": "2017-09-20T20:54:59.000Z",
"last_historical_data": "2018-12-05T01:34:13.000Z"
}
]
}
Now we know that Chainlink (LINK) = ID# 1975 on CMC's API.
Get latest quote for Chainlink using CMC ID:
var client = new CoinMarketCapClient(yourCmcApiKey);
var response = await _client.GetLatestQuoteAsync(new LatestQuoteParameters { Id = 1975 }, CancellationToken.None);
Sample response:
{
"status": {
"timestamp": "2018-12-05T01:40:40.183Z",
"error_code": 0,
"error_message": null,
"elapsed": 4,
"credit_count": 1
},
"data": {
"1975": {
"id": 1975,
"name": "Chainlink",
"symbol": "LINK",
"slug": "chainlink",
"circulating_supply": 350000000,
"total_supply": 1000000000,
"max_supply": null,
"date_added": "2017-09-20T00:00:00.000Z",
"num_market_pairs": 22,
"tags": [],
"cmc_rank": 49,
"last_updated": "2018-12-05T01:40:12.000Z",
"quote": {
"USD": {
"price": 0.281304235668,
"volume_24h": 1992511.77392352,
"percent_change_1h": -1.82593,
"percent_change_24h": -4.31341,
"percent_change_7d": -4.89436,
"market_cap": 98456482.4838,
"last_updated": "2018-12-05T01:40:12.000Z"
}
}
}
}
}
Target Framework
.NET Standard 1.1
Dependencies
Newtonsoft.Json 11.0.2