What changed on the page
The location filter changed from “Allen, TX No location” to “Allen, TX Midland, TX No location,” and new listings include “Midland, TX R&D Technician Production On-Site.”
What this signalsWebsite changes often show new positioning, products or customers.
website-intelligencegeographicExpansionGet every website changes signal for Castelion and the companies you sell to, in the tools you already use.
Connect Autobound to Claude, Claude Code or Cursor with MCP. Then ask: “What changed at Castelion this week?”
The Signal API returns website changes signals for any list of companies as JSON, for your CRM, warehouse or app.
Sign up and spend your free credits on the companies you sell to.
This page shows a preview. The full website-intelligence record in the Signal API and MCP can also have these 8 fields. Some fields are empty for some signals.
Company
linkedin_urlValue in the APIindustriesValue in the APIemployee_count_lowValue in the APIemployee_count_highValue in the APIrevenueValue in the APIdescriptionValue in the APISignal
signal_nameValue in the APIassociationValue in the APIGET /v1/signals/09545bae-1dd3-58cb-8d98-d495aae5baeb returns this record as JSON. POST /v1/companies/enrich returns every signal for castelion.com.
{
"signal_id": "09545bae-1dd3-58cb-8d98-d495aae5baeb",
"signal_type": "website-intelligence",
"signal_subtype": "geographicExpansion",
"detected_at": "2026-08-18T00:00:00+00:00",
"company": {
"name": "Castelion",
"domain": "castelion.com"
},
"data": {
"summary": "The careers page expanded its listed locations beyond the existing Allen, Torrance, and Rio Rancho coverage to include Midland, Texas.",
"evidence": "The location filter changed from “Allen, TX No location” to “Allen, TX Midland, TX No location,” and new listings include “Midland, TX R&D Technician Production On-Site.”",
"relevance": 0.69,
"source_url": "https://www.castelion.com/careers/",
"impact_rationale": "Adding a Midland location may indicate broader geographic coverage of manufacturing, engineering, or production operations."
}
}
curl https://signals.autobound.ai/v1/signals/09545bae-1dd3-58cb-8d98-d495aae5baeb \
-H "X-API-KEY: $AUTOBOUND_API_KEY"curl -X POST https://signals.autobound.ai/v1/companies/enrich \
-H "X-API-KEY: $AUTOBOUND_API_KEY" \
-H "Content-Type: application/json" \
-d '{"domain":"castelion.com","limit":20}'Long text fields are shortened on this page.
Looking up one signal by its id is free. Enrich costs 2 credits per signal returned; a call with no results is free.