Companies

Firmographics, funding, team intelligence, and real-time signals across 55M+ companies. Specter’s companies dataset provides a continuously updated profile of each company, from early-stage startups to public enterprises. Each company has a stable company_id used across every endpoint.

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Data categories

• Profile. Name, description, tagline, HQ, founding year, operating status.
• Classification. Industry, tech verticals, business model, customer focus.
• Team & headcount. Employee count, department and location breakdowns, founders (founder_info with specter_person_id).
• Funding & financials. Funding history, investors, rounds, post-money valuation.
• Transactions. Acquisitions and IPOs.
• Traction & signals. Web traffic, engagement metrics, growth highlights, plus news, revenue, and investor-interest signals from the company’s signal endpoints.
• Social & reviews. Social presence and product reviews (G2, Trustpilot, Glassdoor, Chrome).
• News & external data. Press mentions, awards, patents and trademarks.

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Highlights

The highlights (and new_highlights) array surfaces notable, AI-generated flags on a company. Documented values include:

• headcount_surge. Rapid team growth.
• strong_web_traffic_growth. Increasing web traction.
• strong_social_growth. Rising social engagement.
• top_tier_investors. Backed by leading funds.
• no_recent_funding. May be due a new round.

The list is being expanded, so treat it as non-exhaustive. Pair highlights with search filters to build target lists.

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Endpoints

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How to use the API

Start with what you have

• A domain, website, LinkedIn URL, Crunchbase URL, Pitchbook URL, or name → Find company ID → take the company_id (free, up to 50 at once).
• Want the full record for a domain or URL, and to source it if Specter doesn’t have it → Enrich company.
• A company ID already → Get company by ID.

Expand from a company

• Team and founders → Get company employees. Each row carries the person’s identity, socials, location, highlights and signal IDs; follow person_id to Get person by ID for experience, education and skills.
• Funding history → Get company funding rounds. Each round carries investor_id and is_lead_investor, chainable to the Investors API.
• Acquisitions → Get company acquisitions. Double-sided, with both the acquirer and acquiree company IDs.
• Similar companies and the competitive landscape → Get company competitors. Ranked competitors and the dimensions the market splits on. It takes one company per call, so loop over your seeds.
• Real-time signals → Get company latest revenue, Get company latest valuation, Get company news, Get company revenue signals, and Get company investor-interest signals.

Note: the company profile’s embedded investors and acquirer are names only; the chainable IDs live on the sub-resource endpoints (funding rounds, acquisitions).

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Notes

• Find company ID is free and resolves up to 50 identifiers per request; exact identifiers (domain, website, LinkedIn URL, Crunchbase URL, Pitchbook URL) return one match, while a name returns up to 10 ranked candidates. It’s the batch, no-cost way to get a company_id. Search entities by name is the free single-query name search when you don’t know whether the name belongs to a company, a person, or an investor; use Find company ID when you need to resolve exact identifiers.
• Most fields are nullable; only core identity (company_id, organization_name) is guaranteed.
• Enrichment may return more than one company when domains alias to each other.
• 404 = company not found. For the acquisitions and IPOs endpoints, 200 with an empty array [] means the company exists but has no such records.
• Sub-resource endpoints return the IDs you chain on across companies, people, and investors.
• Get company competitors is a POST with an optional body: limit (1–30, default 30). It’s cache-first and freshness is automatic: results older than 30 days are recomputed on the next call (last_updated shows when). refresh is no longer accepted, and sending it returns 422. Each competitor carries a competitiveness_score (0–1) and, when the rival is in Specter’s data set, a company_id you can chain to Get company by ID.