Field reference: Investor Interest Signals - Specter API

All 28 fields of the Investor Interest Signals, grouped by category. Names are the Parquet field names; the CSV delivery uses its own column headers, listed under CSV column names.

Every field may be null unless marked required. Today strategic_signal_id is guaranteed.

What’s in it

Category	Fields
ID	3
Signal Data	6
Company / Personal Data	15
Financials	4

ID

Field	Type	Description
`strategic_signal_id`	`string` required	Investor Interest ID.
`specter_person_id`	`string`	Specter identifier for the person. Resolves against the People DB.
`company_id`	`string`	Specter identifier for the company. Resolves against the Company DB.

Signal Data

Field	Type	Description
`signal_date`	`date`	Signal featured date.
`signal_score`	`integer`	Signal score from Specter’s proprietary algorithm, 1 to 10, with 10 the highest. Based on signal source, signal strength and company performance.
`source_type`	`string`	Based on signal source. One of `Insider`, `Influencer`, `Journalist`, `Angel`, `Investor`, `Investment Bank`.
`signal_type`	`string`	Whether the signal is about a company or a person. One of `Talent`, `Company`.
`signal_source`	`string`	The VC firm, corporation, or individual that is the source of the signal.
`signal_summary`	`string`	Brief on the investor activity and what the company does.

Company / Personal Data

Field	Type	Description
`name`	`string`	Name of the company or person the signal is about.
`website`	`string`	Company website URL or LinkedIn personal profile URL in case of a Signal Type = Talent.
`screenshot`	`string`	Company website screenshot.
`hq_location`	`string`	City-level location of the company’s headquarters.
`hq_region`	`string`	Region the company’s headquarters sits in. One of `Africa`, `Asia`, `Oceania`, `Canada`, `Europe`, `LATAM`, `MENA`, `United States`, `Russia`.
`growth_stage`	`string`	Stage the company has reached in its growth. One of `Pre-Launch`, `Bootstrapped`, `Early Stage`, `Growth Stage`, `Late Stage`.
`company_linkedin_url`	`string`	URL of the company’s LinkedIn page.
`twitter_url`	`string`	URL of the company’s X (Twitter) profile.
`talent_github_url`	`string`	GitHub profile URL (only available when Signal Type = Talent)
`company_description`	`string`	Short description of what the company does.
`company_founded_year`	`integer`	Company founded date.
`customer_focus`	`string`	This data point categorizes companies based on their primary and secondary customer engagement models. One of `B2B`, `B2C`, `B2B,B2C`, `B2C,B2B`.
`specter_industry`	`array<string>`	Classifies companies by their economic activity — the market they serve and the products or services they deliver. E.g: Construction, Utilities, Wholesale There is one industry per company, with up to three levels.
`specter_tech_verticals`	`array<array<string>>`	Classifies companies by the technology domain they operate in — the technical capability or space they’re building around. E.g: AI & Machine Learning, Cybersecurity, FinTech. There can be up to 5 tech verticals per company, with 2 levels each.
`is_industry_estimated`	`boolean`	True if new position industry and tech verticals are estimated.

Financials

Field	Type	Description
`company_funding_amount_usd`	`string`	Total funding the company has raised, in USD. Delivered as a string of digits, without a currency symbol or separators.
`company_last_funding_date`	`date`	Date of the company’s most recent funding round.
`company_last_funding_amount_usd`	`string`	Amount of the company’s most recent funding round, in USD. Delivered as a string of digits, without a currency symbol or separators.
`company_investors`	`array<string>`	Investors in the company.

CSV column names

The CSV delivery carries the same fields under the headers below. Parquet, JSONL and the API all use the field name.

Field	CSV column
`strategic_signal_id`	Specter - Strategic Signal ID
`specter_person_id`	Specter - Person ID
`company_id`	Specter - Organization ID
`signal_date`	Signal Date
`signal_score`	Signal Score
`source_type`	Source Type
`signal_type`	Signal Type
`signal_source`	Signal Sources
`signal_summary`	Signal Summary
`name`	Name
`website`	Website
`screenshot`	Screenshots
`hq_location`	HQ Location
`hq_region`	HQ Region
`growth_stage`	Growth Stage
`company_linkedin_url`	LinkedIn - URL
`twitter_url`	Twitter - URL
`talent_github_url`	GitHub - URL
`company_description`	Description
`company_founded_year`	Founded
`customer_focus`	Customer Focus
`specter_industry`	Industry
`specter_tech_verticals`	Tech Verticals
`is_industry_estimated`	Is Industry Estimated
`company_funding_amount_usd`	Total Funding Amount (in USD)
`company_last_funding_date`	Last Funding Date
`company_last_funding_amount_usd`	Last Funding Amount (in USD)
`company_investors`	Investors