Sixtyfour
- Company typePrivate
- Founded2023
- HeadquartersSan Francisco, United States
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
Sixtyfour firmographics
Firmographics- Name
- Sixtyfour
- Legal name
- Sixtyfour AI Inc.
- Website
- https://sixtyfour.ai
- Company type
- Private
- Founded year
- 2023
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Ownership category
- akta.pro rank
Sixtyfour industry classification
Industry- Product category
- People and Company Intelligence Platform
- NAICS
- Software Publishers (5132), Web Search Portals, Libraries, Archives, and Other Information Services (519), Directory and Mailing List Publishers (513140)
- SIC
- Services-Prepackaged Software (7372)
- akta.pro primary industry
- Responsible AI, Security & Privacy Platforms (Safety, Guardrails, PII) (HDAEANAG)
- akta.pro secondary industry
- Privacy-Preserving Data (De-identification, Anonymization, PII Redaction) (HDAAALAG)
Keywords
Where Sixtyfour is headquartered
LocationHeadquarters
- HQ city
- San Francisco
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Sixtyfour business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Supply Chain, Marketing or Sales, Operations
Revenue model
- API Credits (Subscription + Usage): Credit-based subscription model with monthly credit allowances. Users purchase plans with allocated credits that are consumed per API call. Plans range from Free (64 credits) to Individual ($24/month, 100 credits) to Starter ($264/month, 1,200 credits) to Enterprise (custom volume). Additional credit top-ups available at 3x standard rate. Supports credit rollover up to 2x monthly cap on Starter plan.
- Intelligence Enrichment Tiers: Tiered pricing for People and Company Intelligence: Micro tier (0.3 credits), Low tier (1-5 credits), Medium tier (5-20 credits), High tier (15-40 credits). High tier available to Enterprise only.
- Email & Phone Discovery: Professional email discovery at 0.5 credits per lookup, personal email at 2 credits. Find Phone at 3 credits per number. Reverse lookups available at same rates.
- Enterprise Services: Enterprise plan includes custom integrations, dedicated support, SSO/SAML, High Tier access, indefinite rollovers or annual true-up, and custom integrations.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Monthly | Free - Limited to 64 credits for individual exploration |
| Subscription | Monthly | Individual - For solo users running investigations and research |
| Subscription | Monthly | Starter - For small teams running investigations at scale |
| Subscription | Annual | Enterprise - Custom pricing for organizations at scale |
Go-to-market motion2 records
Distribution channels5 records
Marketing channels6 records
Sixtyfour product offering
Product offeringCore offering
Sixtyfour provides an AI-powered, API-first people and company intelligence platform whose autonomous research agents browse, extract, and cross-reference data across the open web, dark web, official records, and unstructured documents. It returns source-cited, structured profiles covering professional history, risk signals, contact details, financial signals, and network intelligence, sold through credit-based subscriptions to GTM, compliance, recruiting, trust and safety, and developer teams.
Product overview
Sixtyfour is an intelligence infrastructure platform providing AI-powered people and company enrichment through a unified API-first architecture. The core product suite consists of People Intelligence API, Company Intelligence API, Find Email, Find Phone, Waterfall API (multi-provider enrichment), Deep Search, QA Agent, and Workflows API for automation. Supporting tools include the MCP Server for IDE integrations (Cursor, VS Code, Windsurf, Claude Code, Claude Desktop), Agent Skills for AI tool integration, and specialized enrichment modules like KYB Report, ICP Qualifier, Passive Candidate Finder, Threat Actor Footprint, Competitive Org Intel, and Founder Background Check. The platform operates on a tiered pricing model (Free, Individual, Starter, Enterprise) with credit-based consumption. Recent launches include the Waterfall API (May 2026), new documentation and demos sites (April-June 2026), and the RECON Benchmark for people research evaluation.
Differentiator
Problem solved
Functional benefit
Products and services
- People Intelligence API
Quantifiable outcome
- 73.0% weighted accuracy on RECON benchmark for people research (vs 58.7% for Exa, 60.6% for Parallel, 53.7% for Grok)
- +2 more outcomes
Companies that use Sixtyfour
Customer profileNamed customers1 record
Segments6 records
Ideal customer profiles6 records
Sixtyfour technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration7 records
AI capability7 records
Feature9 records
Sixtyfour partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- FullPACcoreExclusive distribution partnership under which FullPAC serves as the sole distributor of Sixtyfour's AI-generated candidate research reports to U.S. political campaigns and organizations through the GOTV platform. The AI platform produces Background, OSINT, Digital Footprint, and Campaign Finance reports within hours. FullPAC serves more than 5,000 U.S. political organizations. Sixtyfour operates on a nonpartisan basis with all reports compiled from publicly available information.
Scale indicators5 records
Recent moves6 records
Expansion highlights6 records
Sixtyfour competitors and assessment
Company assessmentDirect peers
- Exa: AI-native search API purpose-built for research agents. Directly compared to Sixtyfour in the RECON benchmark where Exa scored 58.7% weighted accuracy vs Sixtyfour's 73.0%. Serves developers building AI applications requiring web-scale search and research capabilities.
- Parallel: AI research API for the web that powers agentic workflows with structured results. Compared head-to-head with Sixtyfour on the RECON benchmark (60.6% accuracy). Competes directly for the same developer persona building AI research and enrichment pipelines.
- Apollo.io: Large B2B sales intelligence and contact data platform with waterfall enrichment. Named by Sixtyfour as a direct competitor in the enrichment infrastructure layer; serves overlapping GTM and sales use cases with contact/email/phone discovery and company data.
- Clay: Data enrichment and outbound workflow platform built on waterfall enrichment across many providers. Sixtyfour explicitly positions its Waterfall API as a developer-first alternative to Clay, targeting the same GTM/data enrichment buyer.
- Clearbit: Company and contact enrichment API owned by HubSpot, widely embedded in CRM and GTM workflows. Sixtyfour cites Clearbit as a competitor in the enrichment infrastructure layer; both sell API-first enrichment to developers and GTM teams.
- People Data Labs: B2B data provider offering people and company data APIs for enrichment, identity resolution, and lookup. Closely comparable product surface (enrichment APIs, contact data, company profiles) and developer-first GTM motion.
- Fullenrich: Waterfall enrichment service that chains multiple B2B data providers for contact discovery. Sixtyfour explicitly named Fullenrich as the third-party dependency its in-house Waterfall API replaces, indicating direct overlap in waterfall enrichment value proposition.
Emerging players
- Tavily: AI-native research API optimized for agents and LLM applications, returning clean structured results from the web. Comparable developer persona and AI-research positioning, though broader than just people research.
Broad incumbents
- ZoomInfo: Large incumbent B2B intelligence platform with deep company and contact data. Overlaps with Sixtyfour's Company Intelligence and Find Email/Phone capabilities at a much broader scale and serves the same GTM buyer with a wider product portfolio.
- Perplexity: AI answer engine with deep research capabilities and source-backed citations. Comparable in citation-backed research output and developer/API access (Sonar API); broader than people intelligence but increasingly competing for AI research workloads.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Sixtyfour social profiles
Digital presenceSixtyfour compliance and trust
Trust signalCompliance1 record
Sixtyfour financial estimates
Financial estimateRevenue estimate
Valuation estimate
Sixtyfour leadership team
Management profileNumber of profiles
Profiles2 records
Sixtyfour funding detail
Funding detailFunding overview
Funding rounds1 record
Investors1 record
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Sixtyfour M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Sixtyfour
What does Sixtyfour do?
Sixtyfour provides an AI-powered, API-first people and company intelligence platform whose autonomous research agents browse, extract, and cross-reference data across the open web, dark web, official records, and unstructured documents. It returns source-cited, structured profiles covering professional history, risk signals, contact details, financial signals, and network intelligence, sold through credit-based subscriptions to GTM, compliance, recruiting, trust and safety, and developer teams.
Is Sixtyfour a public or private company?
Sixtyfour is a private company. It is classified as venture growth investor backed and is currently operating.
When was Sixtyfour founded?
Sixtyfour was founded in 2023. It employs 1 to 10 people.
Where is Sixtyfour based?
Sixtyfour is headquartered in San Francisco, United States, in the North America region.
How does Sixtyfour make money?
Four revenue lines are on record. API Credits (Subscription + Usage) is the primary driver. The others are intelligence Enrichment Tiers, email & Phone Discovery and enterprise Services.
Who are Sixtyfour's main competitors?
Direct peers on record are Exa, Parallel, Apollo.io, Clay, Clearbit, People Data Labs and Fullenrich. Tavily is listed as an emerging player. Broad incumbents are ZoomInfo and Perplexity.
Does Sixtyfour have an API?
Yes. REST API enabling developers to access people and company intelligence enrichment, including People Intelligence, Company Intelligence, Find Email, Find Phone, Reverse Email/Phone Lookup, Deep Search, Filter Search, Org Chart, QA Agent, and Workflows endpoints. Supports API key authentication, OAuth client credentials, webhooks (incoming and outgoing), and batch processing. Available at api.sixtyfour.ai. MCP (Model Context Protocol) servers available for intelligence (https://mcp.sixtyfour.ai/mcp) and documentation (https://docs.sixtyfour.ai/mcp). Developer documentation is at docs.sixtyfour.ai/introduction.
What industry is Sixtyfour in?
Sixtyfour's product category is People and Company Intelligence Platform. Its primary akta.pro industry code is HDAEANAG, Responsible AI, Security & Privacy Platforms (Safety, Guardrails, PII), with a secondary code of HDAAALAG, Privacy-Preserving Data (De-identification, Anonymization, PII Redaction). Its NAICS code is 5132 and its SIC code is 7372.