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<h1 id="sandbox-api-testing">Sandbox API testing<a class="headerlink" href="#sandbox-api-testing" title="Permanent link">&para;</a></h1>
<p>Some exchanges provide sandboxes or testbeds for risk-free testing, while running the bot against a real exchange.
With some configuration, freqtrade (in combination with ccxt) provides access to these.</p>
<p>This document is an overview to configure Freqtrade to be used with sandboxes.
This can be useful to developers and trader alike.</p>
<div class="admonition warning">
<p class="admonition-title">Warning</p>
<p>Sandboxes usually have very low volume, and either a very wide spread, or no orders available at all.
Therefore, sandboxes will usually not do a good job of showing you how a strategy would work in real trading.</p>
</div>
<h2 id="exchanges-known-to-have-a-sandbox-testnet">Exchanges known to have a sandbox / testnet<a class="headerlink" href="#exchanges-known-to-have-a-sandbox-testnet" title="Permanent link">&para;</a></h2>
<ul>
<li><a href="https://testnet.binance.vision/">binance</a></li>
<li><a href="https://public.sandbox.pro.coinbase.com">coinbasepro</a></li>
<li><a href="https://exchange.sandbox.gemini.com/">gemini</a></li>
<li><a href="https://www.testnet.huobi.pro/">huobipro</a></li>
<li><a href="https://sandbox.kucoin.com/">kucoin</a></li>
<li><a href="https://testnet.phemex.com/">phemex</a> </li>
</ul>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>We did not test correct functioning of all of the above testnets. Please report your experiences with each sandbox.</p>
</div>
<hr />
<h2 id="configure-a-sandbox-account">Configure a Sandbox account<a class="headerlink" href="#configure-a-sandbox-account" title="Permanent link">&para;</a></h2>
<p>When testing your API connectivity, make sure to use the appropriate sandbox / testnet URL.</p>
<p>In general, you should follow these steps to enable an exchange's sandbox:</p>
<ul>
<li>Figure out if an exchange has a sandbox (most likely by using google or the exchange's support documents)</li>
<li>Create a sandbox account (often the sandbox-account requires separate registration)</li>
<li><a href="#add-test-funds">Add some test assets to account</a></li>
<li>Create API keys</li>
</ul>
<h3 id="add-test-funds">Add test funds<a class="headerlink" href="#add-test-funds" title="Permanent link">&para;</a></h3>
<p>Usually, sandbox exchanges allow depositing funds directly via web-interface.
You should make sure to have a realistic amount of funds available to your test-account, so results are representable of your real account funds.</p>
<div class="admonition warning">
<p class="admonition-title">Warning</p>
<p>Test exchanges will <strong>NEVER</strong> require your real credit card or banking details!</p>
</div>
<h2 id="configure-freqtrade-to-use-a-exchanges-sandbox">Configure freqtrade to use a exchange's sandbox<a class="headerlink" href="#configure-freqtrade-to-use-a-exchanges-sandbox" title="Permanent link">&para;</a></h2>
<h3 id="sandbox-urls">Sandbox URLs<a class="headerlink" href="#sandbox-urls" title="Permanent link">&para;</a></h3>
<p>Freqtrade makes use of CCXT which in turn provides a list of URLs to Freqtrade.
These include <code>['test']</code> and <code>['api']</code>.</p>
<ul>
<li><code>[Test]</code> if available will point to an Exchanges sandbox.</li>
<li><code>[Api]</code> normally used, and resolves to live API target on the exchange.</li>
</ul>
<p>To make use of sandbox / test add "sandbox": true, to your config.json</p>
<p><code>json
"exchange": {
"name": "coinbasepro",
"sandbox": true,
"key": "5wowfxemogxeowo;heiohgmd",
"secret": "/ZMH1P62rCVmwefewrgcewX8nh4gob+lywxfwfxwwfxwfNsH1ySgvWCUR/w==",
"password": "1bkjfkhfhfu6sr",
"outdated_offset": 5
"pair_whitelist": [
"BTC/USD"
]
},
"datadir": "user_data/data/coinbasepro_sandbox"</code></p>
<p>Also the following information:</p>
<ul>
<li>api-key (created for the sandbox webpage)</li>
<li>api-secret (noted earlier)</li>
<li>password (the passphrase - noted earlier)</li>
</ul>
<div class="admonition tip">
<p class="admonition-title">Different data directory</p>
<p>We also recommend to set <code>datadir</code> to something identifying downloaded data as sandbox data, to avoid having sandbox data mixed with data from the real exchange.
This can be done by adding the <code>"datadir"</code> key to the configuration.
Now, whenever you use this configuration, your data directory will be set to this directory.</p>
</div>
<hr />
<h2 id="you-should-now-be-ready-to-test-your-sandbox">You should now be ready to test your sandbox<a class="headerlink" href="#you-should-now-be-ready-to-test-your-sandbox" title="Permanent link">&para;</a></h2>
<p>Ensure Freqtrade logs show the sandbox URL, and trades made are shown in sandbox. Also make sure to select a pair which shows at least some decent value (which very often is BTC/<somestablecoin>).</p>
<h2 id="common-problems-with-sandbox-exchanges">Common problems with sandbox exchanges<a class="headerlink" href="#common-problems-with-sandbox-exchanges" title="Permanent link">&para;</a></h2>
<p>Sandbox exchange instances often have very low volume, which can cause some problems which usually are not seen on a real exchange instance.</p>
<h3 id="old-candles-problem">Old Candles problem<a class="headerlink" href="#old-candles-problem" title="Permanent link">&para;</a></h3>
<p>Since Sandboxes often have low volume, candles can be quite old and show no volume.
To disable the error "Outdated history for pair ...", best increase the parameter <code>"outdated_offset"</code> to a number that seems realistic for the sandbox you're using.</p>
<h3 id="unfilled-orders">Unfilled orders<a class="headerlink" href="#unfilled-orders" title="Permanent link">&para;</a></h3>
<p>Sandboxes often have very low volumes - which means that many trades can go unfilled, or can go unfilled for a very long time.</p>
<p>To mitigate this, you can try to match the first order on the opposite orderbook side using the following configuration:</p>
<p><code>jsonc
"order_types": {
"buy": "limit",
"sell": "limit"
// ...
},
"bid_strategy": {
"price_side": "ask",
// ...
},
"ask_strategy":{
"price_side": "bid",
// ...
},</code></p>
<p>The configuration is similar to the suggested configuration for market orders - however by using limit-orders you can avoid moving the price too much, and you can set the worst price you might get.</p>
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