- Legion API
- Track Locations
- Search track locations
Search track locations
POST
/v3/tracks/locations/search
const url = 'https://api.hopper.west.prod.govcloud.legion.picogrid.com/v3/tracks/locations/search?crs=EPSG%3A4978&limit=10&offset=0';const options = { method: 'POST', headers: {'Content-Type': 'application/json'}, body: '{"crs":"EPSG:4978","filters":{"categories":["DEVICE","SENSOR"],"created_after":"2024-01-01T00:00:00Z","created_before":"2024-12-31T23:59:59Z","entity_ids":["c3d4e5f6-a1b2-7890-1234-567890abcdef","f6a1b2c3-d4e5-7890-1234-567890abcdef"],"proximity_filter":{"position":[4517590.87,0,4487348.41],"radius":250},"recorded_after":"2024-01-01T00:00:00Z","recorded_before":"2024-12-31T23:59:59Z","sources":["Helios","KALMAN_FILTER"]},"hydrate_entities":true,"latest_only":true,"sort":[{"field":"created_at","order":"desc"}]}'};
try { const response = await fetch(url, options); const data = await response.json(); console.log(data);} catch (error) { console.error(error);}curl --request POST \ --url 'https://api.hopper.west.prod.govcloud.legion.picogrid.com/v3/tracks/locations/search?crs=EPSG%3A4978&limit=10&offset=0' \ --header 'Content-Type: application/json' \ --data '{ "crs": "EPSG:4978", "filters": { "categories": [ "DEVICE", "SENSOR" ], "created_after": "2024-01-01T00:00:00Z", "created_before": "2024-12-31T23:59:59Z", "entity_ids": [ "c3d4e5f6-a1b2-7890-1234-567890abcdef", "f6a1b2c3-d4e5-7890-1234-567890abcdef" ], "proximity_filter": { "position": [ 4517590.87, 0, 4487348.41 ], "radius": 250 }, "recorded_after": "2024-01-01T00:00:00Z", "recorded_before": "2024-12-31T23:59:59Z", "sources": [ "Helios", "KALMAN_FILTER" ] }, "hydrate_entities": true, "latest_only": true, "sort": [ { "field": "created_at", "order": "desc" } ] }'Search track locations with complex filtering and pagination
Parameters
Section titled “Parameters”Query Parameters
Section titled “Query Parameters”crs
string
Example
EPSG:4978limit
integer
Example
10offset
integer
Example
0Request Bodyrequired
Section titled “Request Bodyrequired”Media typeapplication/json
object
crs
string
Example
EPSG:4978filters
object
categories
Array<string>
Example
[ "DEVICE", "SENSOR"]created_after
string
Example
2024-01-01T00:00:00Zcreated_before
string
Example
2024-12-31T23:59:59Zentity_ids
Array<string>
Example
[ "c3d4e5f6-a1b2-7890-1234-567890abcdef", "f6a1b2c3-d4e5-7890-1234-567890abcdef"]proximity_filter
object
crs
string
Example
EPSG:4978position
required
Array<number>
Example
[ 4517590.87, 0, 4487348.41]radius
required
number
Example
250Example
{ "position": [ 4517590.87, 0, 4487348.41 ], "radius": 250}recorded_after
string
Example
2024-01-01T00:00:00Zrecorded_before
string
Example
2024-12-31T23:59:59Zsources
Array<string>
Example
[ "Helios", "KALMAN_FILTER"]hydrate_entities
boolean
Example
truelatest_only
boolean
Example
truesort
Array<object>
object
field
required
string
Example
created_atorder
required
string
Example
descExample
{ "field": "created_at", "order": "desc"}Responses
Section titled “Responses”Successful response
Media typeapplication/json
object
crs
required
string
paging
required
object
has_more
boolean
next
required
integer | null
previous
required
integer | null
results
required
Array<object>
object
acceleration
Array<number>
angular_velocity
Array<number>
bearing
number
covariance
Array<Array<number>>
created_at
required
string
crs
string
entity
object
affiliation
required
string
category
required
string
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>
position
required
object
coordinates
required
Array<number>
type
required
string
radius
number
recorded_at
string
source
required
string
speed
number
velocity
Array<number>
total_count
integer
Example
{ "crs": "EPSG:4978", "paging": { "has_more": true, "next": 2, "previous": null }, "results": [ { "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 ] } ], "total_count": 15}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"}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"}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"}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"}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
