Use a reachable address
The generated code uses this site’s origin. A loopback address works only on the computer hosting the site.
Integration tools
API starter
Generate a server-side quote request for a selected network pair.
Your server-side quote starter
Copy the example below, or run a request in the API console.
Open consoleIntegration code
// Run this on your server. Keep account keys out of browser code.
const response = await fetch(
'https://simpleswap.world/api/quote?from=btc&to=eth&amount=0.1&fixed=false',
{ headers: { Accept: 'application/json' } }
);
const quote = await response.json();
if (!response.ok) throw new Error(quote.error);
console.log(quote.estimatedAmount, quote.mode);Before you publish the integration
Keep networks visible
Show the selected asset and network together so recipients can confirm compatibility.
Keep secrets on your server
Local account keys and provider credentials should never be inserted into a public embed.