Mapbox Map Matching via Locus x402

x402

Mapbox Map Matching via Locus x402 is a paid API for AI agents from mapbox.x402.paywithlocus.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).

Snaps a sequence of GPS coordinates to the road network, returning a corrected route geometry with optional turn-by-turn instructions and travel annotations.

Price / call$0.005

Seller volume →—

Success—

StatusUnknown

How this service works

Location and mapping APIs — geocoding, directions, isochrones, matrix routing, map matching, static maps, and spatial queries.

Output

Returns a JSON object containing the matched route geometry (in the requested format — GeoJSON, polyline, or polyline6), optional turn-by-turn step instructions, and per-segment annotations (distance, duration, speed, congestion, maxspeed). Also includes payment settlement details showing USDC charged and a request ID for status tracking.

Example use cases

Fleet vehicle GPS trace correction

“I have a sequence of 20 GPS pings from one of our delivery trucks: -87.6298,41.8781;-87.6287,41.8790;-87.6276,41.8799 and so on — can you snap them all to the road network using the driving profile and give me full geometry with speed and congestion annotations?”

Cycling route reconstruction from breadcrumbs

“I recorded a bike ride with these GPS coordinates: -122.4194,37.7749;-122.4180,37.7762;-122.4165,37.7775 — map-match them to the cycling road network with simplified geometry and include turn-by-turn steps so I can replay the route accurately.”

Running app track cleanup

“My running app logged some messy GPS points that cut through buildings — here are the coordinates: -73.9857,40.7484;-73.9845,40.7492;-73.9833,40.7501 — please snap them to the walking road network with a 20-meter search radius per point and return the corrected path as GeoJSON.”

Technical details

Endpoint

POSThttps://mapbox.x402.paywithlocus.com/mapbox/map-matching

When to prefer

Choose this endpoint when you have a raw GPS trace (from a vehicle, phone, or wearable) that needs to be corrected to actual road geometry. It is specifically for map matching — snapping noisy or imprecise GPS breadcrumbs to the road network — rather than computing a new route between origin and destination. Prefer this over directions endpoints when you already have recorded coordinates and need to clean or enrich them.

Side effects

Coordinates too far from any road (outside radius) — matching fails or returns no match
More than 100 coordinates submitted — exceeds API limit
Invalid routing profile string — returns error
Radiuses array length doesn't match coordinate count — parameter mismatch error
Timestamps out of order — chronological constraint violation
Payment failure or insufficient USDC balance — 402 response

Input

Schema · Request body

Field	Type	Description
tidy	boolean
steps	boolean
profile	string
overview	string
radiuses	string
geometries	string
timestamps	string
annotations	string
coordinates	string

Output

Schema · Response

{
  "type": "json",
  "example": {
    "data": {},
    "payment": {
      "scheme": "exact",
      "settledUsdc": "0.001000",
      "authorizedMaxUsdc": "0.001000"
    },
    "request": {
      "id": "00000000-0000-4000-8000-000000000000",
      "statusUrl": "/requests/00000000-0000-4000-8000-000000000000"
    },
    "success": true
  }
}

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How this service works

Location and mapping APIs — geocoding, directions, isochrones, matrix routing, map matching, static maps, and spatial queries.

Output

Example use cases

Fleet vehicle GPS trace correction

Cycling route reconstruction from breadcrumbs

Running app track cleanup

Technical details

Endpoint

POSThttps://mapbox.x402.paywithlocus.com/mapbox/map-matching

When to prefer

Side effects

Coordinates too far from any road (outside radius) — matching fails or returns no match
More than 100 coordinates submitted — exceeds API limit
Invalid routing profile string — returns error
Radiuses array length doesn't match coordinate count — parameter mismatch error
Timestamps out of order — chronological constraint violation
Payment failure or insufficient USDC balance — 402 response

Input

Schema · Request body

Field	Type	Description
tidy	boolean
steps	boolean
profile	string
overview	string
radiuses	string
geometries	string
timestamps	string
annotations	string
coordinates	string

Output

Schema · Response

{
  "type": "json",
  "example": {
    "data": {},
    "payment": {
      "scheme": "exact",
      "settledUsdc": "0.001000",
      "authorizedMaxUsdc": "0.001000"
    },
    "request": {
      "id": "00000000-0000-4000-8000-000000000000",
      "statusUrl": "/requests/00000000-0000-4000-8000-000000000000"
    },
    "success": true
  }
}