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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

1

Create Account

Sign up for a SpaceNexus account and subscribe to Pro or Enterprise plan.

2

Generate API Key

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

3

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 calls/mo
60 calls/min burst
  • 5,000 API calls/month
  • 60 calls/minute burst limit
  • Up to 3 API keys
  • All standard endpoints
  • Community support
Recommended

Business

Included with Enterprise

50,000 calls/mo
300 calls/min burst
  • 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 calls/mo
1,000 calls/min burst
  • 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