touchstone.locomot.io
Deterministic WMM2025 magnetic field (one location/date). Free sample, no payment required: GET /play/field
Offering
- Provider
- touchstone.locomot.io
- Method
- GET
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Science And Education
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://touchstone.locomot.io/field- MIME type
- application/json
- First seen
- 2026-10-16T01:50:45.949Z
- Last seen
- Tags
- None supplied
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.002 USDC
Atomic price: 2000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "2000",
"payTo": "0xa3091005a76b1480F1897a9D0C2e1c55B7767674"
}
]Observed health
- Status
- Healthy
- Latest latency
- 314 ms
- Average latency
- 1017 ms
- HTTP status
- 402
- Last checked
- Reachability
- 100% over 15 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"type": "object",
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"type": "string",
"enum": [
"GET",
"HEAD",
"DELETE"
]
},
"queryParams": {
"type": "object",
"properties": {
"lat": {
"type": "number",
"minimum": -90,
"maximum": 90
},
"lon": {
"type": "number",
"minimum": -180,
"maximum": 180
},
"altitude_km": {
"type": "number",
"description": "optional, default 0; WMM valid [-1,850]"
},
"when": {
"type": "string",
"description": "ISO date / decimal year; default now"
}
},
"required": [
"lat",
"lon"
]
}
},
"required": [
"type",
"method"
],
"additionalProperties": false
}Output schema
{
"$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"
}