user57451: I can't find any tool to test RPC interface. I am looking for something like Postman (Chrome extenstion). I would like to send request (with login and password) and see their responses in JSON.

user107814: My favorate tool to test an API endpoint is always curl
curl --user user --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "getblockchaininfo", "params": [] }' -H 'content-type: text/plain;' http://127.0.0.1:8332/

source: https://en.bitcoin.it/wiki/API_reference_(JSON-RPC)#Command_line_.28cURL.29

57451: <p>I can't find any tool to test RPC interface. I am looking for something like Postman (Chrome extenstion). I would like to send request (with login and password) and see their responses in JSON.</p>
 107814: <p>My favorate tool to test an API endpoint is always <code>curl</code></p>
<pre><code>curl --user user --data-binary '{&quot;jsonrpc&quot;: &quot;1.0&quot;, &quot;id&quot;:&quot;curltest&quot;, &quot;method&quot;: &quot;getblockchaininfo&quot;, &quot;params&quot;: [] }' -H 'content-type: text/plain;' http://127.0.0.1:8332/
</code></pre>
<p>source: <a href="https://en.bitcoin.it/wiki/API_reference_(JSON-RPC)#Command_line_.28cURL.29" rel="nofollow noreferrer">https://en.bitcoin.it/wiki/API_reference_(JSON-RPC)#Command_line_.28cURL.29</a></p>
