Deterministic WMM2025 magnetic field (one location/date)
Deterministic WMM2025 magnetic field (one location/date). Free sample, no payment required: GET /play/field
Answeringour last check, 2026-09-24
1 of 1checks answered this week
230 msmedian answer time
$0.002listed price per call
$0.002price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://touchstone.locomot.io/field
| Category | Everything else |
|---|---|
| Provider host | touchstone.locomot.io |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.002 | 230 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"lat": 40.7128,
"lon": -74.006
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"altitude_km": {
"description": "optional, default 0; WMM valid [-1,850]",
"type": "number"
},
"lat": {
"maximum": 90,
"minimum": -90,
"type": "number"
},
"lon": {
"maximum": 180,
"minimum": -180,
"type": "number"
},
"when": {
"description": "ISO date / decimal year; default now",
"type": "string"
}
},
"required": [
"lat",
"lon"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"compass_note": {
"type": "string"
},
"declination_deg": {
"type": "number"
},
"deterministic": {
"type": "boolean"
},
"down_Z_nT": {
"type": "number"
},
"east_Y_nT": {
"type": "number"
},
"engine": {
"type": "string"
},
"horizontal_intensity_nT": {
"type": "number"
},
"inclination_deg": {
"type": "number"
},
"model": {
"type": "string"
},
"model_epoch": {
"type": "number"
},
"north_X_nT": {
"type": "number"
},
"query": {
"type": "object"
},
"secular_variation": {
"type": "object"
},
"total_intensity_nT": {
"type": "number"
},
"units": {
"type": "object"
},
"valid_range": {
"type": "array"
}
},
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}