The API Token Authentication app currently provides a few REST API endpoints.
Please find below a summary of what can be done already.

Create a new token 

Create a new token by providing its description as follows. The response will contain the token automatically generated.

curl -v -u user:password -d '{"tokenDescription":"<enter-your-token-description-here>"}' POST https://<your-jira-or-confluence>/rest/de.resolution.apitokenauth/latest/user/token --header "Content-Type: application/json"
BASH

Update a token description

curl -v -u user:password -d '{"tokenDescription":"Updated token description"}' -X PATCH https://<your-jira-or-confluence>/rest/de.resolution.apitokenauth/latest/user/token/<token-id> --header "Content-Type: application/json"
BASH

List all tokens

To get an overview of what tokens you've added for your user and to grab an id of one to update or delete it, execute the request below.
You may omit the pipe symbol and python command at the end, it is just for beautifying the JSON response.

curl -v -u user:password GET https://<your-jira-or-confluence>/rest/de.resolution.apitokenauth/latest/user/token/ | python -mjson.tool
BASH

which produces output like:

[
    {
        "created": 1573814077364,
        "description": "Automation token",
        "id": 4,
        "lastAccessed": 1573814464012
    }
]
BASH

Delete a token 

Grab a token ID retrieved with the previous call and put it to end of the call: 

curl -v -u user:password -X DELETE https://<your-jira-or-confluence>/rest/de.resolution.apitokenauth/latest/user/token/<token-id>
BASH

Delete all tokens for a user 

This call will work for sysadmins only and otherwise throw 403. Please note that the user key is passed, which is different than the name *.  

curl -v -u admin:password -X DELETE https://<your-jira-or-confluence>/rest/de.resolution.apitokenauth/latest/user/token/deleteAllFor/<user-key-not-user-name>
BASH


Get User Key for a User

* you can get a user's key by  using the REST API as an admin

The result will contain a key or userKey field (Jira or Confluence)

Jira

curl -v -u admin:password GET https://<your-jira>/rest/api/2/user?username=some.username | python -mjson.tool


{
    "active": true,
    "applicationRoles": {
        "items": [],
        "size": 1
    },
    "avatarUrls": {
        "16x16": "https://www.gravatar.com/avatar/9c7da4947106c84fe2c18c1a48747c54?d=mm&s=16",
        "24x24": "https://www.gravatar.com/avatar/9c7da4947106c84fe2c18c1a48747c54?d=mm&s=24",
        "32x32": "https://www.gravatar.com/avatar/9c7da4947106c84fe2c18c1a48747c54?d=mm&s=32",
        "48x48": "https://www.gravatar.com/avatar/9c7da4947106c84fe2c18c1a48747c54?d=mm&s=48"
    },
    "displayName": "Some User",
    "emailAddress": "some@user.com",
    "expand": "groups,applicationRoles",
    "groups": {
        "items": [],
        "size": 1
    },
    "key": "JIRAUSER10100",
    "locale": "en_US",
    "name": "Some User",
    "self": "https://<your-jira>/rest/api/2/user?username=some.username",
    "timeZone": "GMT"
}


BASH

Confluence

curl -v -u admin:password GET https://<your-confluence>/rest/api/user?username=some.username | python -mjson.tool

{
    "_expandable": {
        "status": ""
    },
    "_links": {
        "base": "https://<your-confluence>",
        "context": "",
        "self": "https://<your-confluence>/rest/api/user?key=e4fc80a46ebbdf4c016fa42e69be01f8"
    },
    "displayName": "some.username",
    "profilePicture": {
        "height": 48,
        "isDefault": true,
        "path": "/images/icons/profilepics/default.svg",
        "width": 48
    },
    "type": "known",
    "userKey": "e4fc80a46ebbdf4c016fa42e69be01f8",
    "username": "some.username"
}
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Administrative REST API Methods

Since version 1.1.0, sys admins may use the endpoints below as well

Create Tokens for other Users

Admins may create token for other users by providing their user key in the request payload. If no no token validity time is provided, the system default will be automatically assigned. 
How to get a key for a user in Jira/ Confluence is explained in the previous chapter.

curl -v -u admin:passwordOrToken -d '{"tokenDescription":"token for another user", "tokenForUserKey":"JIRAUSER10105"}' POST https://your-jira-or-confluence/rest/de.resolution.apitokenauth/latest/user/token --header "Content-Type: application/json"
CODE

If a  token validity time is provided, then it will be validated and adjusted to the value set in the system wide settings, if required. This prevents again trying to keep a token valid forever or i.e. 12 month, where only 6 are allowed.

curl -v -u admin:passwordOrToken -d '{"tokenDescription":"token for another user", "tokenForUserKey":"JIRAUSER10105","tokenValidityTimeInMonths":12}' POST https://your-jira-or-confluence/rest/de.resolution.apitokenauth/latest/user/token --header "Content-Type: application/json"
CODE

Filter User Tokens

Since we provide functionality to set a validity time for tokens and before providing more reporting and filter capability via the admin UI in a future version,
admins can use the following REST endpoint to filter for tokens, i.e. to remind users about their tokens soon to expire:

Below examples shows how to receive all tokens not valid anymore after a certain date/ time in milliseconds

Instead of passing a timestamp as parameter value for notValidAfter, you can also send -1 which will return all tokens


curl -v -u admin:passwordOrToken "https://your-jira-or-confluence/rest/de.resolution.apitokenauth/latest/user/tokensByFilter?notValidAfter=1688918956972" | python -mjson.tool
CODE

And returns

{
    "content": [
        {
            "created": 1580832062985,
            "description": "Shell Script",
            "id": 64,
            "lastAccessed": 0,
            "tokenCreatedByUserKey": "admin",
            "tokenForUserKey": "admin",
            "validUntil": 1596556862985
        },
        {
            "created": 1580832051168,
            "description": "Automation Script",
            "id": 63,
            "lastAccessed": 0,
            "tokenCreatedByUserKey": "admin",
            "tokenForUserKey": "admin",
            "validUntil": 1612454451168
        },
        {
            "created": 1580892710444,
            "description": "API Token from 2020-02-05",
            "id": 65,
            "lastAccessed": 1580892730216,
            "tokenCreatedByUserKey": "admin",
            "tokenForUserKey": "admin",
            "validUntil": 1612515110443
        },
        {
            "created": 1580893252170,
            "description": "token for another user",
            "id": 66,
            "lastAccessed": 0,
            "tokenCreatedByUserKey": "admin",
            "tokenForUserKey": "JIRAUSER10105",
            "validUntil": 1612515652170
        }
    ],
    "currentPage": 0,
    "limit": 50,
    "offset": 0,
    "paginationLinks": {
        "baseUrl": "https://your-jira-or-confluence",
        "nextPage": "",
        "previousPage": ""
    },
    "total": 4,
    "totalPages": 1
}
CODE

The results are paged and you may only retrieve 50 results max per page. Below another example with paging:

curl -v -u admin:passwordOrToken "https://your-jira-or-confluence/rest/de.resolution.apitokenauth/latest/user/tokensByFilter?page=0&limit=1&notValidAfter=1688918956972"
CODE

Don't forget to wrap the URL in double quotes, when doing that on the command line, as the & would be interpreted as sending the process into the background

The output would look like the below and contain links to the previous and next page, if available.

{
    "content": [
        {
            "created": 1580832062985,
            "description": "Shell Script",
            "id": 64,
            "lastAccessed": 0,
            "tokenCreatedByUserKey": "admin",
            "tokenForUserKey": "admin",
            "validUntil": 1596556862985
        }
    ],
    "currentPage": 0,
    "limit": 1,
    "offset": 0,
    "paginationLinks": {
        "baseUrl": "https://your-jira-or-confluence",
        "nextPage": "https://your-jira-or-confluence/rest/de.resolution.apitokenauth/latest/user/tokensByFilter?page=1&limit=1&notValidAfter=1688918956972",
        "previousPage": ""
    },
    "total": 4,
    "totalPages": 4
}
CODE

REST API Error Response Codes

REST EndpointActionHTTP Result Code
Regular REST endpoints
with the API Token app enabled and Basic Auth with password still allowed
User accesses the endpoint with a token expired or wrong401
Regular REST endpoints
with the API Token app enabled and Basic Auth with password disabled
User accesses the endpoint with a token expired or wrong401
Regular REST endpoints
with the API Token app enabled and Basic Auth with password enabled
User accesses the endpoint with a regular password401
API Token REST endpoints (listed in the guide above)Non sys-admin user is trying to access an API Token app endpoint only intend for sysadmins403

Please be aware that depending on the system settings, Jira & Confluence might increase the failed login counter up to a point where the user would need to enter a captcha to reset that
counter or let a sys admin do that for him/ her. Until then, every further attempt to access the REST API will result in a 403 Forbidden error.

Read more about the security configuration below:
Jirahttps://your-jira/secure/admin/ViewApplicationProperties.jspa - Maximum Authentication Attempts Allowed
Confluence: Atlassian documentation https://confluence.atlassian.com/doc/configuring-captcha-for-failed-logins-216957808.html