---
schema: rendered-html/v1
title: "Operations with Specific IssueLinkType | Developer Portal for YouTrack and Hub Documentation"
source_url: https://www.jetbrains.com/help/youtrack/devportal/operations-api-issueLinkTypes.html
generated_at: 2026-06-11T15:06:17.999028+00:00
---

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1. YouTrack REST API
2. REST API Reference
3. Resources
4. Issue Link Types
5. [Operations with Specific IssueLinkType](#0)

# Operations with Specific IssueLinkType﻿

Last modified: 24 March 2026

This resource provides operations with issue link types.

| Resource | ``` /api/issueLinkTypes/{typeID} ``` |
| --- | --- |
| Returned entity | IssueLinkType. For the description of the entity attributes, see [Supported Fields](/help/youtrack/devportal/operations-api-issueLinkTypes.html#IssueLinkType-supported-fields) section. |
| Supported methods | - `GET`: [Read a Specific IssueLinkType](/help/youtrack/devportal/operations-api-issueLinkTypes.html#get-IssueLinkType-method). - `POST`: [Update a Specific IssueLinkType](/help/youtrack/devportal/operations-api-issueLinkTypes.html#update-IssueLinkType-method). - `DELETE`: [Delete a Specific IssueLinkType](/help/youtrack/devportal/operations-api-issueLinkTypes.html#delete-IssueLinkType-method). |

## IssueLinkType attributes﻿

Represents the settings of a link type in YouTrack.

### Related Resources﻿

Below you can find the list of resources that let you work with this entity.

- Issue Link Types

### Attributes﻿

This table describes attributes of the `IssueLinkType` entity.

- To receive an attribute in the response from the server, specify it explicitly in the `fields` request parameter.
- To update an attribute, provide it in the body of a POST request.

| Field | Type | Description |
| --- | --- | --- |
| id | String | The ID of the issue link type. `Read-only`. |
| name | String | The name of the issue link type. |
| localizedName | String | The localized name of the issue link type. It is present and can be updated only for predefined issue link types in localized YouTrack installations. `Can be null`. |
| sourceToTarget | String | The outward name of the issue link type. |
| localizedSourceToTarget | String | The localized outward name of the issue link type. It is present and can be updated only for predefined issue link types in localized YouTrack installations. `Can be null`. |
| targetToSource | String | The inward name of the issue link type. `Can be null`. |
| localizedTargetToSource | String | The localized inward name of the issue link type. It is present and can be updated only for the predefined issue link types in localized YouTrack installations. `Can be null`. |
| directed | Boolean | If `true`, the link is directed. Otherwise, `false`. |
| aggregation | Boolean | If `true`, the link represents aggregation relation. Otherwise, `false`. |
| readOnly | Boolean | If `true`, link settings cannot be updated. Otherwise, `false`. `Read-only`. |

## Read a Specific IssueLinkType﻿

Get the attributes of the specified issue link type.

### Request syntax﻿

```
GET /api/issueLinkTypes/{typeID}?{fields}
```

| {typeID} | ID of the issue link type. |
| --- | --- |

### Request parameters﻿

| Parameter | Type | Description |
| --- | --- | --- |
| fields | String | A list of IssueLinkType attributes that should be returned in the response. If no field is specified, only the `entityID` is returned. |

### Sample﻿

#### Sample request﻿

```
https://example.youtrack.cloud/api/issueLinkTypes/80-1?fields=aggregation,directed,id,name,readOnly,sourceToTarget,targetToSource
```

#### Sample response body﻿

```
{
  "readOnly": false,
  "targetToSource": "depends on",
  "directed": true,
  "aggregation": false,
  "sourceToTarget": "is required for",
  "name": "Depend",
  "id": "80-1",
  "$type": "IssueLinkType"
}
```

## Update a Specific IssueLinkType﻿

Update the specified issue link type.

### Required permissions﻿

Requires permissions: Low-level Admin Write

### Request syntax﻿

```
POST /api/issueLinkTypes/{typeID}?{fields}
```

| {typeID} | ID of the issue link type. |
| --- | --- |

### Request parameters﻿

| Parameter | Type | Description |
| --- | --- | --- |
| fields | String | A list of IssueLinkType attributes that should be returned in the response. If no field is specified, only the `entityID` is returned. |

### Sample﻿

#### Sample request﻿

```
https://example.youtrack.cloud/api/issueLinkTypes/80-9?fields=aggregation,directed,id,name,readOnly,sourceToTarget,targetToSource
```

#### Sample request body﻿

```
{
  "name": "Group",
  "targetToSource": "Part of",
  "sourceToTarget": "Part of",
  "aggregation": true
}
```

#### Sample response body﻿

```
{
  "sourceToTarget": "Part of",
  "directed": false,
  "aggregation": true,
  "targetToSource": "Part of",
  "readOnly": false,
  "name": "Group",
  "id": "80-9",
  "$type": "IssueLinkType"
}
```

## Delete a Specific IssueLinkType﻿

Delete the link type and its usages.

### Required permissions﻿

Requires permissions: Low-level Admin Write

### Request syntax﻿

```
DELETE /api/issueLinkTypes/{typeID}
```

| {typeID} | The database ID of IssueLinkType |
| --- | --- |

### Request parameters﻿

| Parameter | Type | Description |
| --- | --- | --- |
| fields | String | A list of IssueLinkType attributes that should be returned in the response. If no field is specified, only the `entityID` is returned. |

### Sample﻿

#### Sample request﻿

```
https://example.youtrack.cloud/api/issueLinkTypes/80-9
```

- [Operations with Specific IssueLinkType](/help/youtrack/devportal/operations-api-issueLinkTypes.html)
- [IssueLinkType attributes](/help/youtrack/devportal/operations-api-issueLinkTypes.html#IssueLinkType-supported-fields)
- [Read a Specific IssueLinkType](/help/youtrack/devportal/operations-api-issueLinkTypes.html#get-IssueLinkType-method)
- [Update a Specific IssueLinkType](/help/youtrack/devportal/operations-api-issueLinkTypes.html#update-IssueLinkType-method)
- [Delete a Specific IssueLinkType](/help/youtrack/devportal/operations-api-issueLinkTypes.html#delete-IssueLinkType-method)

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