Build with B2B Data API
Access 500M+ professional profiles and company data through a simple REST API. Real-time enrichment, powerful search, and enterprise-grade reliability.
500M+ Profiles
Access the largest B2B database with people and company data.
Real-time Enrichment
Get fresh data on-demand with sub-second response times.
Enterprise Security
SOC2 compliant with encrypted data and secure API keys.
Simple Integration
RESTful API with comprehensive docs and code samples.
Developer Resources
Everything you need to integrate Captain Data into your applications.
API Reference
Complete API v1 documentation with endpoints for people, companies, and enrichment.
MCP Integration
Connect your AI assistant to real-time B2B data with Model Context Protocol.
Changelog
Stay up to date with the latest API updates, new features, and improvements.
Status Page
Real-time system status, uptime monitoring, and incident reports.
Simple to Integrate
Get started in minutes with our straightforward REST API.
curl --location 'https://api.captaindata.com/v1/quotas' \
--header 'X-API-Key: <your_api_key>'Get your API Key
Go to Developer Settings in your Captain Data account to get your unique API key and start making requests.
Developer SettingsReady to build?
Start integrating B2B data into your applications today. Free tier available with no credit card required.