SpaceNexus Developer API

Access comprehensive space industry data through a simple REST API. Launches, companies, satellites, market data, regulatory intelligence, and more.

Get Started in 3 Steps

Go to the API Keys tab and create a new key. Save it securely -- it is shown only once.

Use your API key in the Authorization header to access any v1 endpoint.

News, launches, companies, satellites, regulatory, market, weather, contracts, vehicles, opportunities

Standard REST conventions with consistent JSON response format

Full OpenAPI specification for code generation and documentation

Transparent rate limits with X-RateLimit headers on every response

Track your API usage by endpoint, status code, and time period

Seamlessly rotate API keys without downtime

Included with Professional

One plan, no tiers -- every Professional subscriber gets full API access.

Monthly requests	10,000 req/mo
Key management	Create, rotate, and revoke keys
Webhooks	Event notifications for your integrations
Endpoints	All v1 endpoints, including Opportunities
Usage analytics	Per-endpoint and daily call breakdowns

API access is included with your SpaceNexus Professional subscription. View subscription plans