# Maps area isochrone

`POST /maps/isochrone` · Rivier · maps

The areas reachable from a point within up to four numbers of minutes (up to 60) by car, on foot or by bicycle, as GeoJSON polygons: a delivery zone, a catchment.

- Scope: maps:read
- Mcp: rivier_maps_isochrone
- Graphql: Query.mapsAreaIsochrone
- Sdk: maps.area.isochrone
- Cli: maps area isochrone

## Request body

`application/json`

```json
{
  "type": "object",
  "properties": {
    "point": {
      "type": "object",
      "properties": {
        "lat": {
          "type": "number",
          "minimum": -90,
          "maximum": 90
        },
        "lng": {
          "type": "number",
          "minimum": -180,
          "maximum": 180
        }
      },
      "required": [
        "lat",
        "lng"
      ],
      "additionalProperties": false
    },
    "minutes": {
      "type": "array",
      "items": {
        "type": "integer",
        "minimum": 1,
        "maximum": 60
      },
      "minItems": 1,
      "maxItems": 4
    },
    "mode": {
      "type": "string",
      "enum": [
        "driving",
        "walking",
        "cycling"
      ],
      "default": "driving"
    }
  },
  "required": [
    "point",
    "minutes"
  ],
  "additionalProperties": false
}
```

## Responses

- `200`: Success
- `400`: The request was malformed
- `401`: No valid credential
- `403`: The credential lacks the scope, origin or address
- `429`: Over the key's rate limit; see Retry-After

## Example

```sh
curl -X POST 'https://api.rivier.ai/maps/isochrone' \
  -H 'Authorization: Bearer $KEY' \
  -H 'Content-Type: application/json' \
  -d '{
  "point": {
    "lat": 0,
    "lng": 0
  },
  "minutes": [
    0
  ]
}'
```