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Picogrid Legion

Create track location

Create track location

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POST
/v3/tracks/{trackId}/locations
curl --request POST \
  --url https://api.hopper.west.prod.govcloud.legion.picogrid.com/v3/tracks/2489E9AD-2EE2-8E00-8EC9-32D5F69181C0/locations \
  --header 'Content-Type: application/json' \
  --data '{ "acceleration": [ 0, 0.01, -0.02 ], "angular_velocity": [ 0, 0.01, -0.02 ], "bearing": 45, "covariance": [ [ 25, 0, 0 ], [ 0, 25, 0 ], [ 0, 0, 9 ] ], "crs": "EPSG:4978", "orientation": [ 0.707, 0, 0, 0.707 ], "position": { "coordinates": [ 4517590.87, 0, 4487348.41 ], "type": "Point" }, "radius": 500, "recorded_at": "2023-10-01T12:00:00Z", "source": "Helios", "velocity": [ 42.5, -3.1, 0 ] }'

Creates a new location for a track

Parameters

Section titled “Parameters”

Path Parameters

Section titled “Path Parameters”
trackId
required
string format: uuid

Request Bodyrequired

Section titled “Request Bodyrequired”
Media typeapplication/json
object
acceleration
Array<number>
Example
[
  0,
  0.01,
  -0.02
]
angular_velocity
Array<number>
Example
[
  0,
  0.01,
  -0.02
]
bearing
number
<= 360
Example
45
covariance
Array<Array<number>>
Example
[
  [
    25,
    0,
    0
  ],
  [
    0,
    25,
    0
  ],
  [
    0,
    0,
    9
  ]
]
crs
string
default: EPSG:4978
Allowed values: EPSG:4978 EPSG:4326 EPSG:4979
Example
EPSG:4978
orientation
Array<number>
>= 4 items <= 4 items
Example
[
  0.707,
  0,
  0,
  0.707
]
position
required
object
coordinates
required
Array<number>
Example
[
  4517590.87,
  0,
  4487348.41
]
type
required
string
/^(Point|LineString|Polygon)$/
Example
Point
Example
{
  "coordinates": [
    4517590.87,
    0,
    4487348.41
  ],
  "type": "Point"
}
radius
number
Example
500
recorded_at
string
Example
2023-10-01T12:00:00Z
source
required
string
Example
Helios
velocity
Array<number>
Example
[
  42.5,
  -3.1,
  0
]

Responses

Section titled “Responses”

201

Section titled “201”

Created

Media typeapplication/json
object
acceleration
Array<number>
angular_velocity
Array<number>
bearing
number
<= 360
covariance
Array<Array<number>>
created_at
required
string
crs
string
default: EPSG:4978
Allowed values: EPSG:4978 EPSG:4326 EPSG:4979
entity
object
affiliation
required
string
Allowed values: PENDING UNKNOWN ASSUMED_FRIEND FRIEND NEUTRAL SUSPECT HOSTILE EXERCISE_PENDING EXERCISE_UNKNOWN EXERCISE_FRIEND EXERCISE_NEUTRAL EXERCISE_ASSUMED_FRIEND JOKER FAKER NONE_SPECIFIED
category
required
string
Allowed values: DEVICE DETECTION ALERT WEATHER GEOMETRIC ZONE SENSOR VEHICLE UXV TRACK
created_at
required
string
deleted_at
string
expires_at
string
id
required
string format: uuid
is_active
boolean
metadata
object
name
required
string
organization_id
required
string format: uuid
parent_id
required
string | null format: uuid
status
required
string
type
required
string
updated_at
required
string
entity_id
required
string format: uuid
id
required
string format: uuid
orientation
Array<number>
>= 4 items <= 4 items
position
required
object
coordinates
required
Array<number>
type
required
string
/^(Point|LineString|Polygon)$/
radius
number
recorded_at
string
source
required
string
speed
number
velocity
Array<number>
Example
{
  "acceleration": [
    0,
    0.01,
    -0.02
  ],
  "angular_velocity": [
    0,
    0.01,
    -0.02
  ],
  "bearing": 45,
  "covariance": [
    [
      25,
      0,
      0
    ],
    [
      0,
      25,
      0
    ],
    [
      0,
      0,
      9
    ]
  ],
  "created_at": "2024-01-15T11:00:00Z",
  "crs": "EPSG:4978",
  "entity": {
    "affiliation": "FRIEND",
    "category": "DEVICE",
    "created_at": "2023-12-15T14:30:00Z",
    "id": "123e4567-e89b-12d3-a456-426614174000",
    "metadata": {
      "manufacturer": "General Atomics",
      "model": "MQ-9"
    },
    "name": "MQ-9 Reaper",
    "organization_id": "550e8400-e29b-41d4-a716-446655440000",
    "parent_id": "456e8400-e29b-41d4-a716-446655440000",
    "status": "ACTIVE",
    "type": "DRONE",
    "updated_at": "2023-12-15T14:30:00Z"
  },
  "entity_id": "c3d4e5f6-a1b2-7890-1234-567890abcdef",
  "id": "10c98fcd-e351-4a2d-7af1-29876543210a",
  "orientation": [
    0.707,
    0,
    0,
    0.707
  ],
  "position": {
    "coordinates": [
      4517590.87,
      0,
      4487348.41
    ],
    "type": "Point"
  },
  "radius": 500,
  "recorded_at": "2024-01-15T11:00:00Z",
  "source": "Helios",
  "speed": 2.236,
  "velocity": [
    42.5,
    -3.1,
    0
  ]
}

400

Section titled “400”

Bad Request

Media typeapplication/json
object
category
required
string
code
required
number
details
Array<object>
object
field
required
string
issue
required
string
message
required
string
status
required
string
timestamp
required
string
trace_id
required
string
Example
{
  "code": 400,
  "details": [
    {
      "Field": "organization_id",
      "Issue": "must be a valid UUID format"
    }
  ],
  "message": "Request cannot be processed due to invalid input",
  "status": "error",
  "timestamp": "2026-01-15T14:32:45Z",
  "trace_id": "req_2J9K8L7M6N5P4Q3R"
}

401

Section titled “401”

Unauthorized

Media typeapplication/json
object
category
required
string
code
required
number
details
Array<object>
object
field
required
string
issue
required
string
message
required
string
status
required
string
timestamp
required
string
trace_id
required
string
Example
{
  "code": 401,
  "details": [
    {
      "Field": "authorization_header",
      "Issue": "Bearer token is expired or malformed"
    }
  ],
  "message": "Authentication credentials are missing or invalid",
  "status": "error",
  "timestamp": "2026-01-15T14:32:45Z",
  "trace_id": "req_2J9K8L7M6N5P4Q3R"
}

403

Section titled “403”

Forbidden

Media typeapplication/json
object
category
required
string
code
required
number
details
Array<object>
object
field
required
string
issue
required
string
message
required
string
status
required
string
timestamp
required
string
trace_id
required
string
Example
{
  "code": 403,
  "details": [
    {
      "Field": "required_scope",
      "Issue": "requires 'orion:settings:write' scope, but token only has 'orion:settings:read'"
    }
  ],
  "message": "Access denied: insufficient permissions for this resource",
  "status": "error",
  "timestamp": "2026-01-15T14:32:45Z",
  "trace_id": "req_2J9K8L7M6N5P4Q3R"
}

404

Section titled “404”

Not Found

Media typeapplication/json
object
category
required
string
code
required
number
details
Array<object>
object
field
required
string
issue
required
string
message
required
string
status
required
string
timestamp
required
string
trace_id
required
string
Example
{
  "code": 404,
  "details": [
    {
      "Field": "organization_id",
      "Issue": "organization with ID 'a1b2c3d4-e5f6-7890-abcd-ef1234567890' not found"
    }
  ],
  "message": "The requested resource could not be found",
  "status": "error",
  "timestamp": "2026-01-15T14:32:45Z",
  "trace_id": "req_2J9K8L7M6N5P4Q3R"
}

500

Section titled “500”

Internal Server Error

Media typeapplication/json
object
category
required

The category of the error

string
code
required

The HTTP status code

number
details

Additional details about the error

Array<object>
object
field

The field that caused the error

string
issue

The specific issue with the field

string
message
required

A human-readable error message

string
status
required

The status of the response, always ‘error’ for error responses

string
timestamp
required

The timestamp when the error occurred

string format: date-time
trace_id
required

A unique identifier for tracing the error

string format: uuid
Example
{
  "category": "server_error",
  "code": 500,
  "details": [
    {
      "field": "field_name",
      "issue": "Field validation issue"
    }
  ],
  "message": "Internal Server Error",
  "status": "error",
  "timestamp": "2024-03-15T10:30:00Z",
  "trace_id": "b7c5e4d3-a2b1-4f0e-8d9c-1a2b3c4d5e6f"
}

Version 3.14.0 · commit 0771262