api.radiantdrift.com
  • Radiant Drift API
    • Subscription Plans
    • Educational Use and Research
    • API End Points
  • Getting Started
    • About your account
    • Request Authentication
    • Managing API Keys
    • OpenAPI Specification
    • Date/Time Format
    • Validity, Accuracy, and Precision
  • Usage Guidelines
    • Acceptable Use Policy
    • Usage Credits and Call Costs
    • Attribution
    • Rate Limits
  • Julian Day
  • Delta-T
  • Rise, Transit, Set Times
  • Body Position
    • Request Parameters
    • Position at a given time
    • Positions for a time range
    • Observer location
  • Solar Eclipses
    • Embeddable Web Widgets
      • Eclipse Map
      • Eclipse Simulator
    • Besselian Elements
    • Local Circumstances
    • Eclipse Paths
    • Five Millennium Canon of Solar Eclipses
  • The Moon
    • Lunar Libration
    • Lunar Limb Profile
  • Geospatial
    • Geodesic
    • Elevation
  • Reference
    • Definitions
    • Errors
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  1. Radiant Drift API

Educational Use and Research

Access to premium APIs for educational and research purposes

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Last updated 11 months ago

Some of our APIs require a paid subscription for access. Requests made using an API key created under a Free plan will be rejected in these cases. Premium endpoints include:

  • Az Alt Search

  • Geodesic

  • Elevation

  • Solar Eclipse Paths and Local Circumstances

  • Lunar Limb Profiles

  • Estimated Daily and Monthly Insolation

If you are working in an educational capacity or as an academic researcher, we will be happy to provide access at no charge to these APIs upon request. Please write to with details of your request.

Usage will still be subject to normal Free plan limits by default, but please let us know if you would like to discuss a higher limit.

If your research project is in the process of commercialization, we ask that you purchase a paid plan. We're happy to discuss extended trials, depending on your circumstances.

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