rates.md

Exchange Rates Documentation

Official documentation on the Blockchain Exchange Rates API page.

$Blockchain = new \Blockchain\Blockchain($api_code);

// Make calls on the $Blockchain->Rates object

Convert Fiat Amount to Bitcoin

Get the amount of Bitcoin that could be purchased for a given fiat amount. Returns a float.

$btc_amount = $Blockchain->Rates->toBTC(500, 'USD');

Convert Bitcoin to Fiat Currency

Get the amount of a given fiat currency for a given bitcoin amount (in satoshi). Returns a float.

/*
* Optional param:
* $symbol - the fiat currency to convert to ('USD' by default)
*/
$one_btc_in_usd = $Blockchain->Rates->fromBTC(100000000);

Get Rates

Get a set of exchange rate tickers for various currencies. Returns an associative array with the currency code for keys and Ticker objects for values.

$rates = $Blockchain->Rates->get();

// $rates array has currency code for keys
foreach($rates as $cur=>$ticker) { ... }

Response Object Properties

Ticker

class Ticker {
    public $m15;                                // float
    public $last;                               // float
    public $buy;                                // float
    public $sell;                               // float
    public $cur;                                // string
    public $symbol;                             // string
}