Space Index API

Query the index from your own tools and agents.

WHAT YOU CAN BUILD
Sourcing Pull every company in a sector, filtered and ranked, straight into your pipeline.
Diligence Resolve a company to its funding, contracts, launches, and people in one call.
Business development Find and qualify targets, then hand them to your team.
Market maps Build a market map that refreshes itself.
Monitoring Poll the change feed and catch changes as they land.
Agent research Point an agent at the MCP endpoint and let it work the graph.
Data enrichment Match your own records against the index and fill in the fields you are missing.
ACCESS MODES
REST API https://spaceindex.io/api/v1
Search, company profiles, the graph, and the change feed, as JSON over HTTP.
Hosted MCP https://mcp.spaceindex.io
The same data over MCP, for agents and MCP clients. Same key.
Bulk / licensing biz@spaceindex.io
Bulk export and redistribution. Email us.
PLANS
Trial A key to evaluate with.
Pro Full read access and higher limits. For individual analysts.
Team Multiple keys and exports. For funds and teams.
Enterprise / Licensing Bulk export and redistribution.
REQUEST ACCESS

Tell us what you want to build and we'll get you a key.

Access mode interest