Crustdata is a real-time B2B data API offering company and people data, including firmographic and headcount/growth signals. Captain Data is also a real-time B2B data API, focused on people and company enrichment and Sales-Navigator-compatible search, delivered as simple endpoints with MCP support for AI agents.
These are the closest of comparisons — both are developer-first, real-time B2B data APIs. Crustdata leans into company time-series and growth signals; Captain Data leans into LinkedIn/Sales-Navigator-sourced people and company enrichment and search, with MCP so agents can call data directly.
Sales-Navigator-compatible people & company search
Company & people data queries
Employee data
Find employees for a company
Company headcount / growth signals
Built for AI agents
Yes — structured JSON + MCP
API
Pricing
Usage-based credits; 100 free to start
Usage-based
When to choose Captain Data
You want LinkedIn/Sales-Navigator-sourced people and company enrichment and search, with MCP for agents and fast integration.
When to choose Crustdata
Your priority is company time-series, headcount-growth tracking, or firmographic-signal monitoring.
Other comparisons
FAQ
QHow is Captain Data different from Crustdata?›
Both are real-time B2B data APIs. Captain Data focuses on people and company enrichment plus Sales-Navigator-compatible search and MCP for agents; Crustdata emphasizes company growth and time-series signals.
QIs Captain Data a good Crustdata alternative?›
Yes, especially if your use case is live people/company enrichment and search inside a product or agent.
QDoes Captain Data work with AI agents?›
Yes — it returns structured JSON and supports MCP so agents can call live B2B data directly.
QWhich has fresher data — Captain Data or Crustdata?›
Both are real-time B2B data APIs. Captain Data focuses on live people and company enrichment plus Sales-Navigator-compatible search; Crustdata emphasizes company growth and time-series signals. For fresh people-and-company data at query time, Captain Data is built for that.
QHow does Captain Data's pricing compare to Crustdata?›
Captain Data is usage-based — 100 free credits, then from €59.99 per 1,000 credits. Crustdata's pricing model differs; check their current pricing before comparing.