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
Create Account
Sign up for a SpaceNexus account and subscribe to Pro or Enterprise plan.
Generate API Key
Go to the API Keys tab and create a new key. Save it securely -- it is shown only once.
Make Your First Call
Use your API key in the Authorization header to access any v1 endpoint.
API Features
10 Core Endpoints
News, launches, companies, satellites, regulatory, market, weather, contracts, vehicles, opportunities
RESTful JSON API
Standard REST conventions with consistent JSON response format
OpenAPI 3.0 Spec
Full OpenAPI specification for code generation and documentation
Rate Limiting
Transparent rate limits with X-RateLimit headers on every response
Usage Analytics
Track your API usage by endpoint, status code, and time period
Key Rotation
Seamlessly rotate API keys without downtime
API Pricing Tiers
Developer
Included with Pro
- 5,000 API calls/month
- 60 calls/minute burst limit
- Up to 3 API keys
- All standard endpoints
- Community support
Business
Included with Enterprise
- 50,000 API calls/month
- 300 calls/minute burst limit
- Up to 10 API keys
- All standard endpoints
- Priority support
- Usage analytics
Enterprise
Included with Enterprise
- Unlimited API calls
- 1,000 calls/minute burst limit
- Unlimited API keys
- All endpoints including Opportunities
- Dedicated support
- Custom integrations
- SLA guarantee
API access is included with your SpaceNexus subscription. View subscription plans