# CUFinder ## Docs - [CUFinder API Documentation](https://apidoc.cufinder.io/apis.md): Data enrichment APIs transform incomplete records into actionable intelligence that sales and marketing teams convert into revenue. CUFinder's RESTful API suite provides 16+ specialized endpoints that access 1B+ person profiles and 85M+ company records, all refreshed daily for maximum accuracy. Whet… - [Address Normalizer API](https://apidoc.cufinder.io/apis/address-normalizer.md): Shipping errors and duplicate records multiply when addresses exist in inconsistent formats across your customer database. The Address Normalizer API standardizes physical addresses into USPS-compliant and international postal formats, returning cleaned addresses with validation status and component… - [Authentication](https://apidoc.cufinder.io/apis/authentication.md): You'll need to authenticate your requests to access any of the endpoints in the CUFinder API. In this guide, we'll look at how authentication works. - [B2B Customers Finder API](https://apidoc.cufinder.io/apis/b2b-customers-finder.md): Knowing who buys from your competitors reveals targeting opportunities that firmographic filters alone cannot surface. The B2B Customers Finder API analyzes domain relationships across CUFinder's 85M+ company database to identify verified business customers of any target company, returning customer… - [Company B2B or B2C Checker API](https://apidoc.cufinder.io/apis/company-b2b-or-b2c-checker.md): Targeting precision depends on knowing whether companies sell to businesses or consumers before you allocate outreach resources. The Company B2B or B2C Checker API analyzes domain signals across CUFinder's 85M+ company database to classify whether a company operates a B2B or B2C business model, retu… - [Company Career Page Finder API](https://apidoc.cufinder.io/apis/company-career-page-finder.md): Recruiting intelligence starts with knowing which companies are actively hiring and where they post open roles. The Company Career Page Finder API extracts verified career page URLs from any company domain across CUFinder's 85M+ company database, returning direct links to job boards, application por… - [Company Email Finder API](https://apidoc.cufinder.io/apis/company-email-finder.md): Business email addresses unlock direct communication channels that drive B2B outreach success. The [Company Email Finder](https://cufinder.io/enrichment-engine/company-name-to-company-email) API returns up to five verified company emails (info@, contact@, support@) from company names or domains with… - [Company Employee Count API](https://apidoc.cufinder.io/apis/company-employee-count.md): Employee distribution data reveals organizational scale and geographic presence that sales teams need for territory planning. The Company Employee Count API returns detailed headcount breakdowns by country from company names or domains with 98% confidence scores. Built for developers creating workfo… - [Company Employee Finder API](https://apidoc.cufinder.io/apis/company-employee-finder.md): Account-based selling requires knowing exactly who works at target companies before crafting personalized outreach sequences. The Company Employee Finder API retrieves verified employee lists from any company name across CUFinder's 1B+ professional profiles, returning contact records with job titles… - [Company Enrichment API](https://apidoc.cufinder.io/apis/company-enrichment.md): Complete company profiles eliminate manual research that slows down sales cycles and qualification processes. The [Company Enrichment](https://cufinder.io/enrichment-engine/company-enrichment) API returns comprehensive business data—including industry, revenue, headcount, contact info, and tech stac… - [Company Fundraising API](https://apidoc.cufinder.io/apis/company-fundraising.md): Funding data signals company growth momentum that sales and investment teams track religiously. The [Company Fundraising](https://cufinder.io/enrichment-engine/enrich-company-with-latest-fundraising-data) API returns detailed investment information including funding rounds, raised amounts, and inves… - [LinkedIn Company URL Finder API](https://apidoc.cufinder.io/apis/company-linkedin-url-finder.md): LinkedIn company profiles contain valuable business intelligence that sales teams need daily. The [LinkedIn Company URL Finder](https://cufinder.io/enrichment-engine/company-name-to-company-linkedin) API solves this by converting company names or domains into verified LinkedIn URLs with 96% confiden… - [Company Locations API](https://apidoc.cufinder.io/apis/company-locations.md): Office addresses provide geographic context that field sales teams need for territory planning and in-person meetings. The Company Locations API returns verified business addresses including country, state, city, postal code, and street details from company queries with 95% confidence scores. Built… - [Company Lookalikes Finder API](https://apidoc.cufinder.io/apis/company-lookalikes-finder.md): Similar companies reveal untapped markets and competitor landscapes that fuel expansion strategies. The [Company Lookalikes Finder](https://cufinder.io/enrichment-engine/find-company-lookalikes) API returns a curated list of companies matching your target profile's industry, size, and characteristic… - [Company Mission Statement API](https://apidoc.cufinder.io/apis/company-mission-statement.md): Personalized outreach converts better when messaging aligns with a prospect's stated values and strategic direction. The Company Mission Statement API extracts verified mission statements from any company domain across CUFinder's 85M+ company database, returning full mission text with source URLs an… - [Company Name Normalizer API](https://apidoc.cufinder.io/apis/company-name-normalizer.md): Duplicate records and CRM chaos emerge when company names appear as "ACME corp", "acme Corp.", and "Acme Corporation" across your database. The Company Name Normalizer API standardizes company names by capitalizing the first letter of each word and removing extra spaces, returning cleaned names with… - [Company Name to Domain API](https://apidoc.cufinder.io/apis/company-name-to-domain.md): Company websites are the foundation of B2B lead enrichment and outreach campaigns. The Company Name to Domain API [transforms company names into verified website URLs](https://cufinder.io/enrichment-engine/company-name-to-domain) with 94-98% accuracy, pulling from CUFinder's database of 85M+ enriche… - [Company Phone Finder API](https://apidoc.cufinder.io/apis/company-phone-finder.md): Phone numbers create direct lines to prospects that email alone can't match. The [Company Phone Finder](https://cufinder.io/enrichment-engine/company-name-to-company-phone) API returns up to two verified business phone numbers from company names, domains, or LinkedIn URLs with 93% confidence scores.… - [Company Revenue Finder API](https://apidoc.cufinder.io/apis/company-revenue-finder.md): Revenue estimates drive lead scoring decisions that separate high-value prospects from time-wasters. The [Company Revenue Finder](https://cufinder.io/enrichment-engine/find-company-annual-revenue) API returns annual revenue data from company names or domains with 96% confidence scores, pulling from… - [Company SaaS Checker API](https://apidoc.cufinder.io/apis/company-saas-checker.md): Qualifying software companies before outreach prevents wasted prospecting cycles on businesses outside your addressable market. The Company SaaS Checker API analyzes domain characteristics across CUFinder's 85M+ company database to determine whether a company operates a SaaS business model, returnin… - [Company Search API](https://apidoc.cufinder.io/apis/company-search.md): Advanced filtering transforms generic databases into laser-targeted prospect lists that sales teams actually convert. The Company Search API queries CUFinder's 85M+ company profiles using multiple parameters—including location, industry, employee size, funding, and founding year—returning filtered b… - [Company Snapshot API](https://apidoc.cufinder.io/apis/company-snapshot.md): Understanding who your prospects sell to reveals positioning angles that generic company data cannot provide. The Company Snapshot API extracts strategic business intelligence from any company domain across CUFinder's 85M+ company database, returning ICP characteristics, target industries, buyer per… - [Company Subsidiaries Finder API](https://apidoc.cufinder.io/apis/company-subsidiaries-finder.md): Subsidiary networks reveal organizational structures that enterprise sales teams need to map complete account hierarchies. The [Company Subsidiaries Finder](https://cufinder.io/enrichment-engine/find-child-companies) API returns comprehensive lists of child companies and divisions from parent compan… - [Company Tech Stack Finder API](https://apidoc.cufinder.io/apis/company-tech-stack-finder.md): Technology stacks expose software dependencies that SaaS sales teams use for hyper-targeted prospecting. The [Company Tech Stack Finder](https://cufinder.io/enrichment-engine/find-technology-stack) API returns comprehensive lists of technologies companies use—from CMS platforms to analytics tools—wi… - [Domain to Company Name API](https://apidoc.cufinder.io/apis/domain-to-company-name.md): Domain intelligence powers reverse lookup workflows that sales and marketing teams rely on daily. The [Domain to Company Name](https://cufinder.io/enrichment-engine/find-company-name-from-website) API converts website URLs into registered company names with 97% confidence scores, making it essential… - [Errors](https://apidoc.cufinder.io/apis/errors.md): In this guide, we will talk about what happens when something goes wrong while you work with the API. Mistakes happen, and mostly they will be yours, not ours. Let's look at some status codes and error types you might encounter. - [LinkedIn Profile Email Finder API](https://apidoc.cufinder.io/apis/linkedin-profile-email-finder.md): LinkedIn profiles reveal professional context but hide the email addresses that outreach campaigns desperately need. The [LinkedIn Profile Email Finder](https://cufinder.io/enrichment-engine/person-email-finder) API extracts verified business email addresses from LinkedIn URLs with 94% confidence sc… - [LinkedIn Profile Enrichment API](https://apidoc.cufinder.io/apis/linkedin-profile-enrichment.md): LinkedIn URLs contain professional identities that sales teams need transformed into actionable contact data. The [LinkedIn Profile Enrichment](https://cufinder.io/enrichment-engine/contact-linkedin-to-info) API converts LinkedIn profile URLs into comprehensive person and company information—includi… - [Local Business Search API](https://apidoc.cufinder.io/apis/local-business-search-google-maps-search-api.md): Local businesses represent untapped markets that B2C and service-based companies overlook in traditional B2B databases. The Local Business Search API queries neighborhood businesses by location and industry—returning phones, emails, ratings, and social profiles—with 95% confidence scores. Built for… - [Person Enrichment API](https://apidoc.cufinder.io/apis/person-enrichment.md): Names and companies provide starting points that sales teams need expanded into complete professional profiles. The [Person Enrichment](https://cufinder.io/enrichment-engine/contact-enrichment) API transforms full names and company names into detailed contact records—including job title, email, phon… - [Person Search API](https://apidoc.cufinder.io/apis/person-search.md): Multi-filter searches separate precision prospecting from spray-and-pray outreach that wastes sales cycles. The Person Search API queries CUFinder's 1B+ professional profiles using combined filters—including name, company details, location, industry, and revenue—returning matching contact records wi… - [Phone Number Normalizer API](https://apidoc.cufinder.io/apis/phone-number-normalizer.md): Data quality issues start when phone numbers arrive in dozens of inconsistent formats across your contact database. The Phone Number Normalizer API standardizes phone numbers into E.164 international format, returning cleaned numbers with country codes, area codes, and validation status that ensure… - [Quick Start](https://apidoc.cufinder.io/apis/quick-start.md): This guide will get you all set up and ready to use the CUFinder API. We'll cover how to get started using one of our API endpoints and how to make your first API request. We'll also look at where to go next to find all the information you need to take full advantage of our powerful REST API. - [Reverse Email Lookup API](https://apidoc.cufinder.io/apis/reverse-email-lookup.md): Email addresses hide complete professional profiles that marketing and sales teams need for personalization. The [Reverse Email Lookup](https://cufinder.io/enrichment-engine/reverse-email-lookup) API transforms email addresses into detailed person and company data—including full name, job title, Lin… - [Status Codes](https://apidoc.cufinder.io/apis/status-codes.md): Every CUFinder API response returns a standard HTTP status code alongside a JSON body. Learn what each code means, why it happens, and how to resolve it. - [Usage Limits](https://apidoc.cufinder.io/apis/usage-limits.md): We define rate limits on a per-key basis and use a fixed-window rate limiting strategy. Our API key's rate limit is 100 requests per minute. It means, you can make 100 API calls at any interval within the 60-second window. - [Detection timeframes](https://apidoc.cufinder.io/buying-signals/concepts/detection-timeframes.md): The time windows each signal is evaluated over, from instant snapshot diffs to six-month patterns. - [How detection works](https://apidoc.cufinder.io/buying-signals/concepts/how-detection-works.md): Snapshots, deltas, and the emit logic behind every signal. - [Magnitude buckets](https://apidoc.cufinder.io/buying-signals/concepts/magnitude-buckets.md): How we rank signal strength so you can filter ruthlessly. - [Full signal index](https://apidoc.cufinder.io/buying-signals/concepts/signal-index.md): Every signal CUFinder tracks, grouped by category, in one reference table. - [What are buying signals?](https://apidoc.cufinder.io/buying-signals/concepts/what-are-buying-signals.md): Why timing beats static lists, and how signals change the way you prospect. - [Introduction](https://apidoc.cufinder.io/buying-signals/index.md): Real-time intent signals that tell you exactly when a company is ready to buy. - [Avg Engagement Change](https://apidoc.cufinder.io/buying-signals/signals/activity/avg-engagement-change.md): Average post engagement shifted significantly. - [Crisis Response Signal](https://apidoc.cufinder.io/buying-signals/signals/activity/crisis-response-signal.md): A cluster of statement or apology-style posts in a short window. - [Activity signals](https://apidoc.cufinder.io/buying-signals/signals/activity/overview.md): Signals tracking how engaged a company is on social channels, posting rhythm, engagement, and topic shifts. - [Page Dormant](https://apidoc.cufinder.io/buying-signals/signals/activity/page-dormant.md): The company stopped posting for an extended period. - [Page Reactivated](https://apidoc.cufinder.io/buying-signals/signals/activity/page-reactivated.md): The company resumed posting after a dormant stretch. - [Post Topic Shift](https://apidoc.cufinder.io/buying-signals/signals/activity/post-topic-shift.md): The dominant topic of recent posts changed. - [Posting Activity Decrease](https://apidoc.cufinder.io/buying-signals/signals/activity/posting-activity-decrease.md): The company is posting noticeably less on social. - [Posting Activity Increase](https://apidoc.cufinder.io/buying-signals/signals/activity/posting-activity-increase.md): The company is posting noticeably more on social. - [Industry Added](https://apidoc.cufinder.io/buying-signals/signals/categorization/industry-added.md): A new industry was added to the company's list. - [Industry Change](https://apidoc.cufinder.io/buying-signals/signals/categorization/industry-change.md): The company's primary industry classification changed. - [Industry Removed](https://apidoc.cufinder.io/buying-signals/signals/categorization/industry-removed.md): An industry was dropped from the company's list. - [Categorization signals](https://apidoc.cufinder.io/buying-signals/signals/categorization/overview.md): Signals tracking how a company classifies its industry and specialties, revealing pivots and market expansion. - [Specialties Count Decrease](https://apidoc.cufinder.io/buying-signals/signals/categorization/specialties-count-decrease.md): The total number of specialties shrank notably. - [Specialties Count Increase](https://apidoc.cufinder.io/buying-signals/signals/categorization/specialties-count-increase.md): The total number of specialties grew notably. - [Specialty Added](https://apidoc.cufinder.io/buying-signals/signals/categorization/specialty-added.md): A new specialty was added. - [Specialty Removed](https://apidoc.cufinder.io/buying-signals/signals/categorization/specialty-removed.md): A specialty was dropped from the list. - [Company Signals](https://apidoc.cufinder.io/buying-signals/signals/company-signals.md): Signals derived from a company's public page: growth, decline, identity, categorization, location, structure, funding, and activity. - [Composite Signals](https://apidoc.cufinder.io/buying-signals/signals/composite-signals.md): High-confidence patterns that combine multiple individual signals into major company events. - [Acquired Signal](https://apidoc.cufinder.io/buying-signals/signals/composite/acquired-signal.md): A company was acquired. - [Decline Signal](https://apidoc.cufinder.io/buying-signals/signals/composite/decline-signal.md): A company shows a clear distress pattern. - [Executive Team Buildout](https://apidoc.cufinder.io/buying-signals/signals/composite/executive-team-buildout.md): A company rapidly built out its leadership team. - [Expansion Signal](https://apidoc.cufinder.io/buying-signals/signals/composite/expansion-signal.md): A company is expanding into new markets while growing. - [IPO Signal](https://apidoc.cufinder.io/buying-signals/signals/composite/ipo-signal.md): A company went from private to public. - [Merger Signal](https://apidoc.cufinder.io/buying-signals/signals/composite/merger-signal.md): Two companies merged under a common new parent. - [Momentum Score](https://apidoc.cufinder.io/buying-signals/signals/composite/momentum-score.md): A nightly composite score ranking a company's upward trajectory. - [Pivot Signal](https://apidoc.cufinder.io/buying-signals/signals/composite/pivot-signal.md): A company fundamentally changed what it does. - [Pre-IPO Signal](https://apidoc.cufinder.io/buying-signals/signals/composite/pre-ipo-signal.md): A company shows the early pattern of an IPO track. - [Rebrand Signal](https://apidoc.cufinder.io/buying-signals/signals/composite/rebrand-signal.md): A company executed a coordinated rebrand. - [Restructuring Signal](https://apidoc.cufinder.io/buying-signals/signals/composite/restructuring-signal.md): A company is undergoing major restructuring. - [Risk Score](https://apidoc.cufinder.io/buying-signals/signals/composite/risk-score.md): A nightly composite score ranking a company's decline and risk. - [Employee Decrease](https://apidoc.cufinder.io/buying-signals/signals/decline/employee-decrease.md): A company's employee count dropped by at least one. - [Employee Size Band Downgrade](https://apidoc.cufinder.io/buying-signals/signals/decline/employee-size-band-downgrade.md): A company fell down a Professional Network employee size band. - [Followers Decrease](https://apidoc.cufinder.io/buying-signals/signals/decline/followers-decrease.md): The company's follower count dropped. - [Followers Growth Decelerating](https://apidoc.cufinder.io/buying-signals/signals/decline/followers-growth-decelerating.md): Follower growth slowed sharply while still positive. - [Hiring Freeze Signal](https://apidoc.cufinder.io/buying-signals/signals/decline/hiring-freeze-signal.md): Open roles collapsed while headcount stayed flat or fell. - [Jobs Dropped to Zero](https://apidoc.cufinder.io/buying-signals/signals/decline/jobs-dropped-to-zero.md): A company that had open roles now has none. - [Jobs Open Decrease](https://apidoc.cufinder.io/buying-signals/signals/decline/jobs-open-decrease.md): The number of open job postings fell. - [Layoff Signal](https://apidoc.cufinder.io/buying-signals/signals/decline/layoff-signal.md): Employee count dropped sharply in a single interval. - [Mass Layoff Signal](https://apidoc.cufinder.io/buying-signals/signals/decline/mass-layoff-signal.md): Employee count dropped severely in a single interval. - [Decline signals](https://apidoc.cufinder.io/buying-signals/signals/decline/overview.md): Signals that flag contraction, cost-cutting, or instability, useful both for timing efficiency plays and for pausing accounts. - [Funding Round Announced](https://apidoc.cufinder.io/buying-signals/signals/funding/funding-round-announced.md): A new funding round was announced. - [Last Funding Round Change](https://apidoc.cufinder.io/buying-signals/signals/funding/last-funding-round-change.md): The company's funding stage advanced. - [Funding signals](https://apidoc.cufinder.io/buying-signals/signals/funding/overview.md): The gold standard of buying signals, fresh capital means fresh budget. - [Total Funding Increase](https://apidoc.cufinder.io/buying-signals/signals/funding/total-funding-increase.md): The company's total funding raised increased. - [Employee Growth](https://apidoc.cufinder.io/buying-signals/signals/growth/employee-growth.md): A company's employee count increased by at least one between snapshots. - [Employee Size Band Upgrade](https://apidoc.cufinder.io/buying-signals/signals/growth/employee-size-band-upgrade.md): A company moved up a full Professional Network employee size band. - [Engineering Hiring Surge](https://apidoc.cufinder.io/buying-signals/signals/growth/engineering-hiring-surge.md): Engineering job postings doubled versus the prior crawl. - [First Job in City](https://apidoc.cufinder.io/buying-signals/signals/growth/first-job-in-city.md): A company posted its first role in a new city. - [First Job in Country](https://apidoc.cufinder.io/buying-signals/signals/growth/first-job-in-country.md): A company posted its first role in a new country. - [First Job in Function](https://apidoc.cufinder.io/buying-signals/signals/growth/first-job-in-function.md): A company posted a role in a function it hadn't hired for in 12 months. - [Followers Growth](https://apidoc.cufinder.io/buying-signals/signals/growth/followers-growth.md): The company's Professional Network follower count increased. - [Followers Spike](https://apidoc.cufinder.io/buying-signals/signals/growth/followers-spike.md): Follower growth ran sharply above the company's recent baseline. - [Headcount Recovery](https://apidoc.cufinder.io/buying-signals/signals/growth/headcount-recovery.md): Employee growth returned after a recent decline. - [Jobs Open Increase](https://apidoc.cufinder.io/buying-signals/signals/growth/jobs-open-increase.md): The number of open job postings increased. - [Jobs Open Spike](https://apidoc.cufinder.io/buying-signals/signals/growth/jobs-open-spike.md): Open job postings jumped sharply above the recent baseline. - [Growth signals](https://apidoc.cufinder.io/buying-signals/signals/growth/overview.md): Signals that point to a company adding people, attention, and open roles, usually meaning budget is loosening up. - [Remote Jobs Share Change](https://apidoc.cufinder.io/buying-signals/signals/growth/remote-jobs-share-change.md): The share of remote or hybrid postings shifted significantly. - [Sales Hiring Surge](https://apidoc.cufinder.io/buying-signals/signals/growth/sales-hiring-surge.md): Sales job postings doubled versus the prior crawl. - [Senior Hiring Increase](https://apidoc.cufinder.io/buying-signals/signals/growth/senior-hiring-increase.md): The share of senior-level postings rose meaningfully. - [DBA Added](https://apidoc.cufinder.io/buying-signals/signals/identity/dba-added.md): The name now references a former name (dba/fka). - [Description Change Major](https://apidoc.cufinder.io/buying-signals/signals/identity/description-change-major.md): The company description was substantially rewritten. - [Description Change Minor](https://apidoc.cufinder.io/buying-signals/signals/identity/description-change-minor.md): The company description was lightly edited. - [Description Keyword Added](https://apidoc.cufinder.io/buying-signals/signals/identity/description-keyword-added.md): A tracked strategic keyword appeared in the description. - [Description Keyword Removed](https://apidoc.cufinder.io/buying-signals/signals/identity/description-keyword-removed.md): A tracked strategic keyword disappeared from the description. - [Name Change](https://apidoc.cufinder.io/buying-signals/signals/identity/name-change.md): The company name string changed. - [Name Change Drastic](https://apidoc.cufinder.io/buying-signals/signals/identity/name-change-drastic.md): A name change with almost no overlap to the old name. - [Identity signals](https://apidoc.cufinder.io/buying-signals/signals/identity/overview.md): Signals tracking how a company describes itself, name, tagline, and description, often hinting at rebrands, pivots, or M&A. - [Tagline Added](https://apidoc.cufinder.io/buying-signals/signals/identity/tagline-added.md): A previously empty tagline is now populated. - [Tagline Change](https://apidoc.cufinder.io/buying-signals/signals/identity/tagline-change.md): The company tagline text changed. - [Tagline Removed](https://apidoc.cufinder.io/buying-signals/signals/identity/tagline-removed.md): A populated tagline was cleared out. - [Country Expansion](https://apidoc.cufinder.io/buying-signals/signals/location/country-expansion.md): A company opened its first location in a new country. - [HQ Change](https://apidoc.cufinder.io/buying-signals/signals/location/hq-change.md): The headquarters city or country changed. - [HQ Country Change](https://apidoc.cufinder.io/buying-signals/signals/location/hq-country-change.md): The headquarters country specifically changed. - [Location Added](https://apidoc.cufinder.io/buying-signals/signals/location/location-added.md): A new office location appeared. - [Location Removed](https://apidoc.cufinder.io/buying-signals/signals/location/location-removed.md): An office location disappeared. - [Multi Office Milestone](https://apidoc.cufinder.io/buying-signals/signals/location/multi-office-milestone.md): The company's office count crossed a milestone threshold. - [Office Consolidation](https://apidoc.cufinder.io/buying-signals/signals/location/office-consolidation.md): Multiple office closures in a short window. - [Location signals](https://apidoc.cufinder.io/buying-signals/signals/location/overview.md): Signals tracking where a company operates, new offices, HQ moves, and country expansion. - [People Signals](https://apidoc.cufinder.io/buying-signals/signals/people-signals.md): Signals derived from individual profiles: hires, departures, promotions, and executive moves. - [C-Suite Departure](https://apidoc.cufinder.io/buying-signals/signals/people/c-suite-departure.md): A C-level executive left the company. - [C-Suite Hire](https://apidoc.cufinder.io/buying-signals/signals/people/c-suite-hire.md): A new C-level executive joined the company. - [Employee Departed](https://apidoc.cufinder.io/buying-signals/signals/people/employee-departed.md): A person left this company for another. - [Employee Joined](https://apidoc.cufinder.io/buying-signals/signals/people/employee-joined.md): A person's current company changed to this company. - [Engineering Leader Hire](https://apidoc.cufinder.io/buying-signals/signals/people/engineering-leader-hire.md): A new engineering leader joined the company. - [First Role Hire](https://apidoc.cufinder.io/buying-signals/signals/people/first-role-hire.md): A company made its first-ever hire for a role function. - [Founder Departure](https://apidoc.cufinder.io/buying-signals/signals/people/founder-departure.md): A founder left the company. - [Internal Promotion](https://apidoc.cufinder.io/buying-signals/signals/people/internal-promotion.md): Someone was promoted to a more senior title at the same company. - [Key Role Vacancy](https://apidoc.cufinder.io/buying-signals/signals/people/key-role-vacancy.md): A senior role stayed unfilled for 60 days. - [Lateral Title Change](https://apidoc.cufinder.io/buying-signals/signals/people/lateral-title-change.md): Someone changed title at the same company without a seniority change. - [Leadership Churn Spike](https://apidoc.cufinder.io/buying-signals/signals/people/leadership-churn-spike.md): Multiple senior leaders departed in a short window. - [Notable Hire](https://apidoc.cufinder.io/buying-signals/signals/people/notable-hire.md): A high-profile or highly experienced person joined. - [Sales Leader Hire](https://apidoc.cufinder.io/buying-signals/signals/people/sales-leader-hire.md): A new sales leader joined the company. - [Talent Inflow from Company](https://apidoc.cufinder.io/buying-signals/signals/people/talent-inflow-from-company.md): A company hired multiple people from the same source company. - [Talent Outflow to Competitor](https://apidoc.cufinder.io/buying-signals/signals/people/talent-outflow-to-competitor.md): An employee left for a known competitor. - [VP Departure](https://apidoc.cufinder.io/buying-signals/signals/people/vp-departure.md): A VP-level leader left the company. - [VP Hire](https://apidoc.cufinder.io/buying-signals/signals/people/vp-hire.md): A new VP-level leader joined the company. - [Affiliated Pages Count Change](https://apidoc.cufinder.io/buying-signals/signals/structure/affiliated-pages-count-change.md): The net count of affiliated pages shifted notably. - [Company Type Change](https://apidoc.cufinder.io/buying-signals/signals/structure/company-type-change.md): The company's entity type changed. - [Founded Year Added](https://apidoc.cufinder.io/buying-signals/signals/structure/founded-year-added.md): A previously missing founded year was populated. - [Founded Year Change](https://apidoc.cufinder.io/buying-signals/signals/structure/founded-year-change.md): The founded year value changed. - [Nonprofit to For-Profit](https://apidoc.cufinder.io/buying-signals/signals/structure/nonprofit-to-for-profit.md): The company changed between nonprofit and for-profit status. - [Structure signals](https://apidoc.cufinder.io/buying-signals/signals/structure/overview.md): Signals tracking the legal and organizational shape of a company, parents, subsidiaries, and entity types. - [Parent Company Added](https://apidoc.cufinder.io/buying-signals/signals/structure/parent-company-added.md): A parent company was set where there was none. - [Parent Company Change](https://apidoc.cufinder.io/buying-signals/signals/structure/parent-company-change.md): The parent company changed to a different one. - [Parent Company Removed](https://apidoc.cufinder.io/buying-signals/signals/structure/parent-company-removed.md): A parent company relationship was cleared. - [Showcase Page Added](https://apidoc.cufinder.io/buying-signals/signals/structure/showcase-page-added.md): A new Professional Network showcase page was linked. - [Showcase Page Removed](https://apidoc.cufinder.io/buying-signals/signals/structure/showcase-page-removed.md): A Professional Network showcase page was unlinked. - [Subsidiary Added](https://apidoc.cufinder.io/buying-signals/signals/structure/subsidiary-added.md): A new subsidiary appeared in the company's list. - [Subsidiary Removed](https://apidoc.cufinder.io/buying-signals/signals/structure/subsidiary-removed.md): A subsidiary was removed from the company's list. - [Subsidiary Status Change](https://apidoc.cufinder.io/buying-signals/signals/structure/subsidiary-status-change.md): The company became or stopped being a subsidiary. - [Setup Guide for ChatGPT Web](https://apidoc.cufinder.io/mcp/chatgpt-web.md): Connect CUFinder MCP with ChatGPT in minutes. Access 1B+ contacts and 85M+ companies for lead generation and data enrichment directly in your AI conversations. - [Setup Guide for Claude Web](https://apidoc.cufinder.io/mcp/claude-web.md): Learn to connect CUFinder MCP with Claude Web in minutes. Access 1B+ contacts and 85M+ companies for lead generation directly in your AI conversations. - [What is CUFinder MCP](https://apidoc.cufinder.io/mcp/introduction.md): **CUFinder MCP** lets AI agents securely access the CUFinder API and enrich their answers with real B2B data. MCP (Model Context Protocol) is a standard that allows AI tools to connect with third-party APIs in a secure, consistent way. ## OpenAPI Specs - [openapi](https://apidoc.cufinder.io/api-reference/openapi.json)