<p><a href="http://www.coralblocks.com" rel="nofollow">Coral Blocks</a> has a free service that provides aggregated liquidity from Coinbase, Coinsetter, Okcoin and LakeBTC. You can get the aggregated book in JSON through the link:</p>

<p><a href="http://www.coralblocks.com:45453/book/BTC-USD" rel="nofollow">http://www.coralblocks.com:45453/book/BTC-USD</a></p>

<pre><code>{
    "last updated":     "20151015-21:01:27.551",
    "time zone":        "America/New_York",
    "symbol":           "BTC-USD",
    "exchange":         null,
    "spread":           -0.90,
    "best bid size":        0.07000000,
    "best bid price":       255.87,
    "best ask size":        0.00090000,
    "best ask price":       254.97,

    "bids": [

        [ "OKCN",       0.07000000,     255.87],
        [ "OKCN",       0.07000000,     255.84],
        [ "OKCN",       0.07000000,     255.81],
        ...
    ],

    "asks": [

        [ "LAKE",       0.00090000,     254.97],
        [ "LAKE",       0.06700000,     254.98],
        [ "LAKE",       0.60000000,     254.99],
        ...
    ]
}
</code></pre>

<p>You can also get real-time updates through TCP and FIX. More info about the API here: </p>

<p><a href="http://www.coralblocks.com/index.php/2015/10/free-real-time-bitcoin-market-data/" rel="nofollow">http://www.coralblocks.com/index.php/2015/10/free-real-time-bitcoin-market-data/</a></p>

<p><strong>Disclaimer:</strong> I am a developer at Coral Blocks.</p>

CC BY-SA 3.0
2015-10-20T18:18:54.680Z
2015-10-20T18:18:54.680Z
rdalmeida
<p>I think coindesk is able to do what you are looking for. Not sure if this is all of them but its quite a few of the more popular exchanges.</p>

<p><a href="http://www.coindesk.com/price/" rel="nofollow">http://www.coindesk.com/price/</a></p>

<p>Edit: Scratch this as it seems you are looking for liquidity. I apologize.</p>

CC BY-SA 3.0
2015-10-16T19:03:09.813Z
2015-10-16T19:03:09.813Z
Charles S
<p>Yes, bitcoinaverage will do that for you. </p>

<p><a href="https://api.bitcoinaverage.com/all" rel="nofollow">https://api.bitcoinaverage.com/all</a></p>

<p>This will provide a JSON array for all of the exchanges! Now you can just query that one URL and pick out which exchange an info you need. </p>

<p>Example of info available for an exchange:</p>

<pre><code>"bter": {
    "display_URL": "https://bter.com/",
    "display_name": "Bter",
    "rates": {
      "ask": 1741.88,
      "bid": 1736.41,
      "last": 1741.88
    },
    "source": "cache",
    "volume_btc": 120.39,
    "volume_percent": 9.33
  },
</code></pre>

CC BY-SA 3.0
2015-10-17T02:18:25.823Z
2015-10-17T02:18:25.823Z
m1xolyd1an
<p>I would like to check quotes from multiple bitcoin exchanges in a single, aggregated place. Is there such a service or at least something in that direction out there? Or do I have to connect to each and every exchange and get their market data by myself?</p>

<exchanges>
Is there a liquidity aggregator service for bitcoins?
Peter Mel
# Is there a liquidity aggregator service for bitcoins?

(Asked by: username_0 on 2015-10-16)

I would like to check quotes from multiple bitcoin exchanges in a single, aggregated place. Is there such a service or at least something in that direction out there? Or do I have to connect to each and every exchange and get their market data by myself?

**Tags:** exchanges


---

## 3 answers

### Answer by username_1 on 2015-10-20. Score: 3 | Accepted answer

[Coral Blocks](http://www.coralblocks.com) has a free service that provides aggregated liquidity from Coinbase, Coinsetter, Okcoin and LakeBTC. You can get the aggregated book in JSON through the link:

<http://www.coralblocks.com:45453/book/BTC-USD>

```
{
    "last updated":     "20151015-21:01:27.551",
    "time zone":        "America/New_York",
    "symbol":           "BTC-USD",
    "exchange":         null,
    "spread":           -0.90,
    "best bid size":        0.07000000,
    "best bid price":       255.87,
    "best ask size":        0.00090000,
    "best ask price":       254.97,

    "bids": [

        [ "OKCN",       0.07000000,     255.87],
        [ "OKCN",       0.07000000,     255.84],
        [ "OKCN",       0.07000000,     255.81],
        ...
    ],

    "asks": [

        [ "LAKE",       0.00090000,     254.97],
        [ "LAKE",       0.06700000,     254.98],
        [ "LAKE",       0.60000000,     254.99],
        ...
    ]
}

```

You can also get real-time updates through TCP and FIX. More info about the API here:

<http://www.coralblocks.com/index.php/2015/10/free-real-time-bitcoin-market-data/>

**Disclaimer:** I am a developer at Coral Blocks.


---

### Answer by username_2 on 2015-10-16. Score: 0

I think coindesk is able to do what you are looking for. Not sure if this is all of them but its quite a few of the more popular exchanges.

<http://www.coindesk.com/price/>

Edit: Scratch this as it seems you are looking for liquidity. I apologize.


---

### Answer by username_3 on 2015-10-17. Score: 0

Yes, bitcoinaverage will do that for you.

<https://api.bitcoinaverage.com/all>

This will provide a JSON array for all of the exchanges! Now you can just query that one URL and pick out which exchange an info you need.

Example of info available for an exchange:

```
"bter": {
    "display_URL": "https://bter.com/",
    "display_name": "Bter",
    "rates": {
      "ask": 1741.88,
      "bid": 1736.41,
      "last": 1741.88
    },
    "source": "cache",
    "volume_btc": 120.39,
    "volume_percent": 9.33
  },

```


---

