Deliver real-time enrichment and personalization anywhere, augment form-fill data, and improve campaign performance with the best B2B data API integration.
People Data & Company Info APIs
Access accurate data to power key workflows
Enrich your B2B contact database with accurate datapoints to power audience-centric workflows and build more complete buyer profiles to help your team win more deals.
Synchronize seamlessly with flexible data delivery
Leverage 6sense’s powerful set of APIs to drive impact in a variety of use cases, using real-time data enrichment to any internal system or workflow.
Protect your data with security features
6sense maintains industry-recognized certifications and self-attestations and complies with applicable global regulations to assure data is secure and protected.

Industry-leading data accuracy
6sense customers have access to 450M+ buyer profiles, 65M+ company profiles published in over 200 countries, and much more.
Flexible data delivery
Get the data you need, where and when you need it. Our system-agnostic APIs deliver data to your CRM, MAP, data lake, and more.
Designed with security in mind
Control what data is returned to the API, setup flexible API tokens for various use cases, monitor ongoing usage, and leverage our best-in-class infrastructure level security, like rate limiting.
Explore our purpose-built suite of APIs
Provides you with comprehensive information about a company – like industry, employee range, revenue range, location and much more – for a variety of use cases, like enrichment and personalization.
Empowers you to easily search for people in an organization to find the right contact. It delivers lists of profiles matching an account for a given domain, enabling you to narrow searches for contacts using filters such as locations, industries, and job titles.
Enables you to enrich contact-level data directly in your systems of record (e.g.: CRM, MAP, BI, etc.). This API delivers contact information including email, company phone and mobile numbers, title, seniority, job function, and more — all paired with company firmographic attributes.
As an industry leader with the highest match rates, our Company Identification API identifies anonymous website visitors by taking IP addresses and matching them to accounts. Use this to personalize messages and web content based on company, segment, buying stage, and more.
When leads hit your MAP, automatically enrich with company information and predictive scores you may be missing. Use this to know what buyers are interested in and which accounts they are associated with for better account planning.
APIs drive value across the revenue team
Operations: Enhance form-fill data to build complete buyer profiles and acquire contact info for key decision-makers to improve lead routing and quality.
Marketing: Understand what buyers care about, personalize digital experiences across different technology providers, and boost ROI with improved analytics.
Sales: Access detailed information on firmographics, key decision makers and the topics they care about to personalize outreach and improve win rates.