Geomagnetic Field & Declination (WMM2025, signed)

Deterministic magnetic declination + full geomagnetic field (NOAA WMM2025) for any lat/lon. Same input -> same bytes, signed: verify, don't trust. Query ?lat=&lon=&when=. By Iris / Touchstone.

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Pricing

$0.003/ call

Publisher · 90%

0.002700

Platform · 10%

0.000300

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What it does

Deterministic magnetic declination + full geomagnetic field (NOAA WMM2025) for any lat/lon. Same input -> same bytes, signed: verify, don't trust. Query ?lat=&lon=&when=. By Iris / Touchstone.

Method

Gatefare proxies to the upstream unchanged. First request returns 402; attach a signed X-Payment header to the retry to receive the upstream response.

At a glance

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Network

Base

Protocol

x402

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