rateLimits:
  - api: JAXA Earth API
    description: No documented rate limits. JAXA Earth API states there are currently no restrictions on user registration, API key issuance, or the number of API calls. The service is free of charge with no usage caps stated in public documentation.
    url: https://data.earth.jaxa.jp/
    requests: unlimited
    period: none
    keyRequired: false
    registrationRequired: false
    notes: No API key or registration required. Users are expected to comply with JAXA data use policies and cite data appropriately in publications.

  - api: G-Portal Web API (CSW/WMS/WCS)
    description: OGC web services for satellite data search and retrieval. No explicit rate limits documented. Free registration required for product downloads via the G-Portal portal.
    url: https://gportal.jaxa.jp/gpr/?lang=en
    requests: not documented
    period: none
    keyRequired: false
    registrationRequired: true
    notes: Registration (no fee) required to download satellite products via G-Portal. Browsing and metadata search available without registration.

  - api: GSMaP FTP Data Service
    description: Global precipitation data via FTP. No explicit rate limits documented. Password-protected FTP access requires free registration. Near-real-time data updated every 30 minutes.
    url: https://sharaku.eorc.jaxa.jp/GSMaP/
    requests: not documented
    period: none
    keyRequired: false
    registrationRequired: true
    notes: Free FTP registration required. Public JPEG archives at sharaku.eorc.jaxa.jp/GSMaP/archive/jpg/ available without registration.

  - api: AUIG2 ALOS Data Gateway
    description: Search and ordering system for ALOS/ALOS-2 data. Guest access available for browsing. Authorized user registration required for data ordering. No rate limits documented.
    url: https://auig2.jaxa.jp/
    requests: not documented
    period: none
    keyRequired: false
    registrationRequired: true
    notes: Registration required for ordering. Some high-resolution ALOS products may have commercial pricing through the AW3D standard products.

  - api: Himawari P-Tree FTP Service
    description: FTP/HTTP-based access to Himawari geostationary satellite products. No rate limits documented. Free registration required.
    url: https://www.eorc.jaxa.jp/ptree/index.html
    requests: not documented
    period: none
    keyRequired: false
    registrationRequired: true
    notes: Free user account required for FTP access to full product archives.