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/api/v1/loans/{id}/return

POST
/api/v1/loans/{id}/return
curl --request POST \
  --url https://example.com/api/v1/loans/2489E9AD-2EE2-8E00-8EC9-32D5F69181C0/return \
  --header 'Content-Type: application/json' \
  --data '{ "returnedAt": "2026-04-15T12:00:00Z", "to": "previous", "mergeBack": true, "notes": "example" }'

Parameters

Section titled “Parameters”

Path Parameters

Section titled “Path Parameters”
id
required
string format: uuid
/^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$/

Request Bodyrequired

Section titled “Request Bodyrequired”
Media typeapplication/json
object
returnedAt
string format: date-time
/^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z|([+-](?:[01]\d|2[0-3]):[0-5]\d)))$/
to
Any of:
string
Allowed values: previous
mergeBack
boolean
notes
string
<= 2000 characters

Responses

Section titled “Responses”

200

Section titled “200”

Default Response

Media typeapplication/json
object
loan
required
object
id
required
string format: uuid
/^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$/
thingId
required
string format: uuid
/^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$/
direction
required
string
Allowed values: out in
person
required
object
id
required
string format: uuid
/^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$/
name
required
string
isMember
required
boolean
startedAt
required
string
dueOn
required
string | null
returnedAt
required
string | null
overdue
required
boolean
quantity
required
string
splitFromThingId
required
Any of:
string format: uuid
/^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$/
returnPlace
required
Any of:
object
type
required
string
Allowed values: thing place location
id
required
string format: uuid
/^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$/
name
required
string
path
required
string
shortCode
string | null
previousPlace
required
Any of:
object
type
required
string
Allowed values: thing place location
id
required
string format: uuid
/^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$/
name
required
string
path
required
string
shortCode
string | null
notes
required
string | null
conditionOut
required
Array<object>
object
id
required
string format: uuid
/^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$/
key
additional properties
conditionIn
required
Array<object>
object
id
required
string format: uuid
/^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$/
key
additional properties
rowVersion
required
number
createdBy
required
object
displayName
required
string
thing
required
object
id
required
string format: uuid
/^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$/
locationId
required
string format: uuid
/^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$/
shortCode
required
string | null
name
required
string | null
type
required
Any of:
object
id
required
string format: uuid
/^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$/
icon
required
string
name
required
string | null
builtinKey
required
string | null
quantity
required
number
lifecycle
required
string
derivedState
required
Array<string>
Allowed values: uncertain draft ended lent borrowed in_repair
path
required
Array<object>
object
id
required
string format: uuid
/^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$/
name
required
string
kind
required
string
Allowed values: place container
isUnplaced
required
boolean
shortCode
string | null
containerThumbUrl
required
string | null
thumbUrl
required
string | null
lastSeenAt
required
string | null
isContainer
required
boolean
mergedInto
object
id
required
string format: uuid
/^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$/
locationId
required
string format: uuid
/^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$/
shortCode
required
string | null
name
required
string | null
type
required
Any of:
object
id
required
string format: uuid
/^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$/
icon
required
string
name
required
string | null
builtinKey
required
string | null
quantity
required
number
lifecycle
required
string
derivedState
required
Array<string>
Allowed values: uncertain draft ended lent borrowed in_repair
path
required
Array<object>
object
id
required
string format: uuid
/^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$/
name
required
string
kind
required
string
Allowed values: place container
isUnplaced
required
boolean
shortCode
string | null
containerThumbUrl
required
string | null
thumbUrl
required
string | null
lastSeenAt
required
string | null
isContainer
required
boolean
Example
{
  "loan": {
    "direction": "out",
    "returnPlace": {
      "type": "thing"
    },
    "previousPlace": {
      "type": "thing"
    }
  },
  "thing": {
    "derivedState": [
      "uncertain"
    ],
    "path": [
      {
        "kind": "place"
      }
    ]
  },
  "mergedInto": {
    "derivedState": [
      "uncertain"
    ],
    "path": [
      {
        "kind": "place"
      }
    ]
  }
}