Technology Lookup
Detect technologies on websites. Accepts domains (e.g. shopify.com) or full URLs (https://shopify.com). Single lookup or batch up to 1,000 at once. Results returned immediately.
GET
/api/v3/web/lookupSingle URL or domain
Detect technologies on one website. GET with ?url= or POST with JSON body. Accepts domain (shopify.com) or full URL (https://shopify.com). Returns immediately. 1 credit.
Parameters
urlstringrequiredDomain or URL (e.g. shopify.com or https://shopify.com). Query param for GET; use url or domain in JSON for POST.Example Request
curl -H "Authorization: Bearer YOUR_API_KEY" \
"https://techleads.fyi/api/v3/web/lookup?url=shopify.com"Response
{
"success": true,
"data": {
"technologies": [
{ "technology": "Shopify", "category": "Ecommerce", "confidence": 100 },
{ "technology": "Cloudflare", "category": "CDN", "confidence": 100 }
],
"url": "https://shopify.com"
},
"meta": { "credits_used": 1, "credits_remaining": 4999 }
}POST
/api/v3/web/lookup/batchBatch (up to 1,000 URLs or domains)
Detect technologies on up to 1,000 URLs or domains. Body accepts urls or domains. Processed in parallel. Results returned immediately—no polling required.
Parameters
urlsstring[]Array of URLs or domains (max 1,000). Use urls or domains.domainsstring[]Array of domains or URLs (max 1,000). Use urls or domains.Example Request
curl -X POST -H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"domains": ["shopify.com", "stripe.com", "vercel.com"]}' \
"https://techleads.fyi/api/v3/web/lookup/batch"Response
{
"success": true,
"total": 3,
"successful": 3,
"failed": 0,
"duration_ms": 850,
"results": [
{
"url": "https://shopify.com",
"success": true,
"technologies": [
{ "technology": "Shopify", "category": "Ecommerce", "confidence": 100 },
{ "technology": "Cloudflare", "category": "CDN", "confidence": 100 }
]
},
{
"url": "https://stripe.com",
"success": true,
"technologies": [
{ "technology": "Nginx", "category": "Web servers", "confidence": 100 },
{ "technology": "Amazon S3", "category": "CDN", "confidence": 100 }
]
}
],
"meta": { "credits_used": 3, "credits_remaining": 4997 }
}