TopK
Technology Stack
Modern web stack
As of October 30, 2026, TopK's stack: Built on AWS, Cloudflare, Datadog, and Next.js +5 more, detected on the live site (observed).
Backed by 10 dated facts
Every value derives from a dated, sourced capture — open any fact for its source.
Every value derives from a dated, sourced capture — open any fact for its source.
Detected on the live site · observed
AWSCloudflareDatadogNext.jsPostHogReactTailwind CSSVercelYoutube
Infrastructure · observed
Vercel
Subdomain surface · 4 crawled
docs.topk.iocrawled · observed
Next.jsReactTailwind CSSVercelPostHogVercel · hosting
status.topk.iocrawled · observed
Next.jsReactTailwind CSSVercel
www.topk.iocrawled · observed
Next.jsReactTailwind CSSVercel
trust.topk.iocrawled · observed
CloudflareAWSDatadog
Stack Change Historydated events · values unlock with a key
Technology removed: VWO · high significance
Every stack fact on this pagekey · value · provenance · dated · sourced
| Fact | Value | Provenance | As of | Source |
|---|---|---|---|---|
| stack.infra.hosting.vercel | Vercel | observed | 2026-07-02 | docs.topk.io |
| stack.tech.aws | AWS | observed | 2026-10-30 | trust.topk.io |
| stack.tech.cloudflare | Cloudflare | observed | 2026-10-30 | trust.topk.io |
| stack.tech.datadog | Datadog | observed | 2026-10-30 | trust.topk.io |
| stack.tech.nextjs | Next.js | observed | 2026-10-30 | www.topk.io |
| stack.tech.posthog | PostHog | observed | 2026-10-30 | docs.topk.io |
| stack.tech.react | React | observed | 2026-10-30 | docs.topk.io |
| stack.tech.tailwindcss | Tailwind CSS | observed | 2026-10-30 | www.topk.io |
| stack.tech.vercel | Vercel | observed | 2026-10-30 | www.topk.io |
| stack.tech.youtube | Youtube | observed | 2026-09-14 | docs.topk.io/architecture |
Stack across Vector DatabasesTopK ranked in place · tap through for each read
| Company | Stack read | Facts |
|---|---|---|
| Vectara | Detected + stated stack | 43 |
| Pinecone | Detected + stated stack | 37 |
| Weaviate | 23 detected | 23 |
| Epsilla | Detected + stated stack | 19 |
| MyScale | Modern web stack | 13 |
| Activeloop | Modern web stack | 12 |
| Chroma | Modern web stack | 12 |
| Marqo | Modern web stack | 12 |
| Vespa | 12 detected | 12 |
| Qdrant | 10 detected | 10 |
| TopK this record | Modern web stack | 10 |
| KDB.AI | 6 detected | 6 |
| Turbopuffer | Modern web stack | 6 |
| Milvus | 4 detected | 4 |
| Zilliz | 3 detected | 3 |
No observed stack facts yet for LanceDB.
IdentityBixel ID · free forever
Operated by
No registered company joined yet. Would resolve with: a registry identifier for the entity; a legal page on the site naming the registered company.
Registry identifiers
None on record.
Published identifiers
- Crunchbase topk · inferred
- GitHub topk-io · inferred
- LinkedIn topkio · corroborated
- X topk_io · corroborated
Get stack for topk.io via API / MCPevery field dated and sourced
RESTopen tier
GET https://api.bixel.com/v1/companies/topk.io/facts?dimension=stack
{
"data": {
"facts": [
{
"key": "stack.infra.hosting.vercel",
"value": "Vercel",
"provenance": "observed",
"as_of": "2026-07-02",
"source_url": "docs.topk.io"
},
{
"key": "stack.tech.aws",
"value": true,
"provenance": "observed",
"as_of": "2026-10-30",
"source_url": "trust.topk.io"
},
{
"key": "stack.tech.cloudflare",
"value": true,
"provenance": "observed",
"as_of": "2026-10-30",
"source_url": "trust.topk.io"
},
{
"key": "stack.tech.datadog",
"value": true,
"provenance": "observed",
"as_of": "2026-10-30",
"source_url": "trust.topk.io"
},
"…"
]
}
}MCPfor agents
# any MCP client (Claude, agents)
const record = await bixel.get_company_facts({ domain: "topk.io", dimension: "stack" })
# returns the stack record above,
# each value with its source_url + as_of,
# ready to reason overBuild on the company record. One key, REST + MCP, every signal dated and sourced back to the page it came from.
Public record, read from companies' own pages and boards. Every fact dated and sourced; provenance (observed vs company stated) shown inline.