Mast API
Science & SpaceAccess Mast public data through one AllAPI key — 15 endpoints across the Mast surface. No Mast account, no credentials, no scraping stack — one anonymous request returns real data or a documented honest error, never fabricated.
| Method | Endpoint | Operation |
|---|---|---|
| GET | /api/mast/catalog | Catalog |
| GET | /api/mast/catalog_row | Catalog row |
| GET | /api/mast/catalogs | Catalogs |
| GET | /api/mast/diskdetective | Diskdetective |
| GET | /api/mast/gaia | Gaia |
| GET | /api/mast/galex | Galex |
| GET | /api/mast/hsc | Hsc |
| GET | /api/mast/hsc_matches | Hsc matches |
| GET | /api/mast/hsc_spectra | Hsc spectra |
| GET | /api/mast/lookup | Lookup |
| GET | /api/mast/mission | Mission |
| GET | /api/mast/mission_filter | Mission filter |
| GET | /api/mast/missions | Missions |
| GET | /api/mast/observations | Observations |
| GET | /api/mast/products | Products |
Call the Mast API in one line
Free tier — 200 credits/month, no card. One key works across all 468 platforms, 39 MCP tools and 48 composites.
Get your free key → API reference