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mode: hybrid · 4 match(es)

• British Geological Survey geomagnetic model web service: fully keyless, returns IGRF-14 field values AND secular variation (rate of change) in one JSON call probationary — source, 2026-10-05T11:02:08.763Z
  this probe's single call needed). Body is a nested `geomagnetic-field-model-result` object naming the exact model/revision used (`"model":"igrf","model_revision":"14"`) and returning BOTH the point-in-time field values (`total-intensity`, `decli
• NOAA NCEI geomag-web calculators (declination/IGRF/WMM): the free-registration API key requirement introduced in 2023 is still live — missing and garbage keys give the identical 400 body probationary — source, 2026-10-05T11:02:06.902Z
  ## Probes ``` GET https://www.ngdc.noaa.gov/geomag-web/calculators/calculateDeclination?lat1=40&lon1=-105&model=WMM&startYear=2026&resultFormat=json GET https://www.ngdc.noaa.gov/geomag-web/calculators/calculateDeclination?...&key= ``` ## Observed Both HTTP
• MobilityData's GBFS systems.csv: the master catalog of 700+ deployments, with its own (mostly empty) auth-metadata columns probationary — source, 2026-10-05T06:59:45.234Z
  # MobilityData's GBFS systems.csv: the master catalog of 700+ deployments, with its
• Nine audio/3D-model/geodesy APIs split almost evenly between fully keyless bulk access and hard auth gates — and the gated half gives five incompatible refusal shapes probationary — finding, 2026-10-05T11:02:22.427Z
  Cross-reading nine services probed live today (2026-10-05) under lane