How to Sync Tag Groups with Accounting Dimensions

This how-to explains how an integration synchronises Tag Groups in Pleo with the selected Accounting Dimensions from the Accounting System. Syncing Tag Groups is the second step in the Tags Sync workflow. Tag Groups in Pleo correspond to Dimensions in the Accounting System. This step ensures the Tag Group structure in Pleo mirrors the current state of the selected Dimensions. Your integration must:

Retrieve selected Dimensions from the AS
Retrieve all Tag Groups (active and archived) from Pleo
Create, unarchive, update, or archive Tag Groups as needed
Deselect Dimensions that have become inactive in the AS

Prerequisites

Before you begin:

You’re familiar with the Tags Sync Overview and the Integration Design for Syncing Tag Groups
Your integration is authenticated using one of the supported authentication methods
Your integration can call Pleo’s Tags API endpoints
Dimension selection has been configured

Scenario

This how-to continues from How to Select Dimensions for Tags Sync. The final Dimension selection from that step (Department, Project, Finance, and Cost Centre) is the input for this sync. The table below shows the starting state in both systems when this sync runs.

Dimension (AS)	Selected	Tag Group (Pleo)	Pleo Status
Department	✓ Yes	Department	Active
Project	✓ Yes	Project	Active
Finance	✓ Yes	—	Does not exist
Cost Centre	✓ Yes	Cost Centre	Archived
—	—	Region	Active

Steps

1. Retrieve Selected Dimensions from the Accounting System

Fetch all Dimensions from the AS that are currently selected in your integration’s configuration. For each Dimension, verify it is still active. Deselect any that are no longer active. Example Pseudo:

selectedDimensions = loadSelectedDimensionsFromConfig()

activeDimensions = fetchDimensionsFromAS()

for dimension in selectedDimensions:
    if dimension not in activeDimensions:
        deselect(dimension)

selectedDimensions = loadSelectedDimensionsFromConfig()

Example Result

All four selected Dimensions are still active in the AS. None are deselected.

Dimension	AS Status	Retained?
Department	Active	✓ Yes
Project	Active	✓ Yes
Finance	Active	✓ Yes
Cost Centre	Active	✓ Yes

2. Retrieve All Tag Groups from Pleo

API Endpoint: GET /v0/tag-groups Example parameters:

companyId: 12abc3d4-e567-890e-1234-abc56e78fabc
includeArchived: true

Fetch both active and archived Tag Groups from Pleo. Including archived Tag Groups allows unarchiving rather than creating duplicates. Example Pseudo:

tagGroups = fetchTagGroupsFromPleo(includeArchived: true)

Example Request

OAuth 2.0
API Key

curl -X GET "https://external.staging.pleo.io/v0/tag-groups?company_id=12abc3d4-e567-890e-1234-abc56e78fabc&include_archived=true" \
  -H "Authorization: Bearer <access_token>"

curl --request GET \
-u "pls_1ab2cd3e4f5g6h7a89b012c34de56f78_gabc90:" \
-H "Accept: application/json;charset=UTF-8" \
"https://external.staging.pleo.io/v0/tag-groups?company_id=12abc3d4-e567-890e-1234-abc56e78fabc&include_archived=true" \
| jq

Example Response

{
  "data": [
    {
      "id": "faf59f4a-073e-4f23-9725-944d993e6310",
      "companyId": "12abc3d4-e567-890e-1234-abc56e78fabc",
      "name": "Cost Centre",
      "code": "Cost Centre",
      "archived": true,
      "createdAt": "2026-05-21T13:23:03.729251Z",
      "updatedAt": "2026-05-21T13:23:14.461704Z",
      "metadata": {}
    },
    {
      "id": "768fb809-b282-4411-875a-406f8e4c5bdb",
      "companyId": "12abc3d4-e567-890e-1234-abc56e78fabc",
      "name": "Department",
      "code": "Department",
      "archived": false,
      "createdAt": "2026-05-21T13:19:05.124301Z",
      "updatedAt": "2026-05-21T13:19:05.124301Z",
      "metadata": {}
    },
    {
      "id": "a9a0a2f5-a97b-41f9-aa28-dc3cde85f691",
      "companyId": "12abc3d4-e567-890e-1234-abc56e78fabc",
      "name": "Project",
      "code": "Project",
      "archived": false,
      "createdAt": "2026-05-21T13:19:43.112716Z",
      "updatedAt": "2026-05-21T13:19:43.112716Z",
      "metadata": {}
    },
    {
      "id": "f1cd0c96-32c5-4b85-8b93-8f6543bc6378",
      "companyId": "12abc3d4-e567-890e-1234-abc56e78fabc",
      "name": "Region",
      "code": "Region",
      "archived": false,
      "createdAt": "2026-05-21T14:12:44.543271Z",
      "updatedAt": "2026-05-21T14:12:44.543271Z",
      "metadata": {}
    }
  ]
}

What it looks like in Pleo Web App

Example Result

Tag Group	Pleo Status
Department	Active
Project	Active
Region	Active
Cost Centre	Archived

3. Match Dimensions to Tag Groups by Code

For each selected Dimension, attempt to find a matching Tag Group in Pleo using code (case-insensitive). Example Pseudo:

tagGroupsByCode = index tagGroups by code.toLowerCase()

for dimension in selectedDimensions:
    matchedTagGroup = tagGroupsByCode[dimension.code.toLowerCase()]

    if matchedTagGroup is null:
        createTagGroup(dimension)
    else if matchedTagGroup.archived == true:
        unarchiveTagGroup(matchedTagGroup, dimension)
    else:
        updateTagGroupIfNameChanged(matchedTagGroup, dimension)

Example Result

AS Dimension	Tag Group (Pleo)	Pleo Status	Action
Department	Department	Active	No action
Project	Project	Active	No action
Finance	—	Does not exist	→ Step 4: Create
Cost Centre	Cost Centre	Archived	→ Step 5: Unarchive
—	Region	Active	→ Step 6: Archive

4. Create Tag Groups for New Dimensions

API Endpoint: POST /v0/tag-groups If an AS Dimension is selected but no matching Pleo Tag Group exists, create a new Tag Group. This only applies when no Tag Group with this code exists in Pleo (neither active nor archived). If a matching archived Tag Group exists, it is handled by step 5 (unarchive) instead. Example Pseudo:

if matchedTagGroup is null:
    newTagGroup.name     = dimension.name
    newTagGroup.code     = dimension.code
    newTagGroup.archived = false
    POST newTagGroup to Pleo

Example Request

OAuth 2.0
API Key

curl -X POST "https://external.staging.pleo.io/v0/tag-groups?company_id=12abc3d4-e567-890e-1234-abc56e78fabc" \
  -H "Authorization: Bearer <access_token>" \
  -H "Content-Type: application/json" \
  -d '{
        "name": "Finance",
        "code": "FIN",
        "archived": false
      }'

curl --request POST \
-u "pls_1ab2cd3e4f5g6h7a89b012c34de56f78_gabc90:" \
-H "Accept: application/json;charset=UTF-8" \
-H "Content-Type: application/json" \
"https://external.staging.pleo.io/v0/tag-groups?company_id=12abc3d4-e567-890e-1234-abc56e78fabc" \
-d '{
      "name": "Finance",
      "code": "FIN",
      "archived": false
    }' \
| jq

Example Response

{
  "data": {
    "id": "18741f60-1ded-4467-97e8-4b0e1178b3f2",
    "companyId": "12abc3d4-e567-890e-1234-abc56e78fabc",
    "name": "Finance",
    "code": "FIN",
    "archived": false,
    "createdAt": "2026-05-21T13:52:03.646775474Z",
    "updatedAt": "2026-05-21T13:52:03.646775474Z",
    "metadata": {}
  }
}

What it looks like in Pleo Web App

Example Response `BAD_REQUEST`

You’ll get an error similar to below if you try to create more than 5 active Tag Groups in Pleo.

{
  "error": {
    "type": "BAD_REQUEST",
    "message": "Active tag groups are limited to 5/company"
  }
}

5. Unarchive or Update Existing Tag Groups

API Endpoint: PUT /v0/tag-groups/{groupId} Example parameters: groupId: faf59f4a-073e-4f23-9725-944d993e6310 If a matching Tag Group is found:

AS Dimension is active, Pleo Tag Group is archived → Unarchive the Tag Group by setting archived: false
AS Dimension is active, Pleo Tag Group name differs → Update the Tag Group name to match the AS
AS Dimension is active, Pleo Tag Group name matches → No action required

Example Pseudo:

if matchedTagGroup.archived == true:
    matchedTagGroup.archived = false
    matchedTagGroup.name     = dimension.name
    PUT matchedTagGroup to Pleo

else if matchedTagGroup.name != dimension.name:
    matchedTagGroup.name = dimension.name
    PUT matchedTagGroup to Pleo

Example Request

In the below example the “Cost Centre” Tag Group is unarchived.

OAuth 2.0
API Key

curl -X PUT "https://external.staging.pleo.io/v0/tag-groups/faf59f4a-073e-4f23-9725-944d993e6310" \
  -H "Authorization: Bearer <access_token>" \
  -H "Content-Type: application/json" \
  -d '{
        "code": "Cost Centre",
        "name": "Cost Centre",
        "archived": false,
        "metadata": {}
      }'

curl --request PUT \
-u "pls_1ab2cd3e4f5g6h7a89b012c34de56f78_gabc90:" \
-H "Accept: application/json;charset=UTF-8" \
-H "Content-Type: application/json" \
"https://external.staging.pleo.io/v0/tag-groups/faf59f4a-073e-4f23-9725-944d993e6310" \
-d '{
  "code": "Cost Centre",
  "name": "Cost Centre",
  "archived": false,
  "metadata": {}
  }' \
| jq

Example Response

{
  "data": {
    "id": "faf59f4a-073e-4f23-9725-944d993e6310",
    "companyId": "12abc3d4-e567-890e-1234-abc56e78fabc",
    "name": "Cost Centre",
    "code": "Cost Centre",
    "archived": false,
    "createdAt": "2026-05-21T13:23:03.729251Z",
    "updatedAt": "2026-05-21T13:59:14.102020Z",
    "metadata": {}
  }
}

What it looks like in Pleo Web App

6. Archive Tag Groups with No Matching Selected Dimension

API Endpoint: PUT /v0/tag-groups/{groupId} If a Pleo Tag Group is active but its corresponding AS Dimension is no longer selected, archive the Tag Group. Do not delete Tag Groups. Archiving is non-destructive and reversible. Example Pseudo:

selectedCodes = selectedDimensions.map(d => d.code.toLowerCase())

for tagGroup in tagGroups where archived == false:
    if tagGroup.code.toLowerCase() not in selectedCodes:
        tagGroup.archived = true
        PUT tagGroup to Pleo

Example Request

OAuth 2.0
API Key

curl -X PUT "https://external.staging.pleo.io/v0/tag-groups/f1cd0c96-32c5-4b85-8b93-8f6543bc6378" \
  -H "Authorization: Bearer <access_token>" \
  -H "Content-Type: application/json" \
  -d '{
    "code": "Region",
    "name": "Region",
    "archived": true,
    "metadata": {}
  }'

curl --request PUT \
-u "pls_1ab2cd3e4f5g6h7a89b012c34de56f78_gabc90:" \
-H "Accept: application/json;charset=UTF-8" \
-H "Content-Type: application/json" \
"https://external.staging.pleo.io/v0/tag-groups/f1cd0c96-32c5-4b85-8b93-8f6543bc6378" \
-d '{
  "code": "Region",
  "name": "Region",
  "archived": true,
  "metadata": {}
}' \
| jq

Example Response

{
  "data": {
    "id": "f1cd0c96-32c5-4b85-8b93-8f6543bc6378",
    "companyId": "12abc3d4-e567-890e-1234-abc56e78fabc",
    "name": "Region",
    "code": "Region",
    "archived": true,
    "createdAt": "2026-05-21T14:12:44.543271Z",
    "updatedAt": "2026-05-21T14:25:14.216836Z",
    "metadata": {}
  }
}

Result

The table below recaps what happened to each Tag Group across all steps.

Tag Group	Step 1 (AS Selection)	Step 2 (Pleo State)	Step 3 (Match)	Action
Department	Selected, active	Active	Matched (active)	No action
Project	Selected, active	Active	Matched (active)	No action
Finance	Selected, active	Does not exist	No match	Created (Step 4)
Cost Centre	Selected, active	Archived	Matched (archived)	Unarchived (Step 5)
Region	—	Active	No match	Archived (Step 6)

Pleo now reflects the selected Dimensions from the AS.

Tag Group	Final State in Pleo	AS Selection	Aligned with AS?
Department	Active	Selected	✓ Yes
Project	Active	Selected	✓ Yes
Finance	Active	Selected	✓ Yes
Cost Centre	Active	Selected	✓ Yes
Region	Archived	—	✓ Yes

The Tag Group structure is now ready for Tag synchronisation.

What Comes Next?

this how-to is part of:

Tags Sync Workflow Guide

​Prerequisites

​Scenario

​Steps

​1. Retrieve Selected Dimensions from the Accounting System

​Example Result

​2. Retrieve All Tag Groups from Pleo

​Example Request

​Example Response

​What it looks like in Pleo Web App

​Example Result

​3. Match Dimensions to Tag Groups by Code

​Example Result

​4. Create Tag Groups for New Dimensions

​Example Request

​Example Response

​What it looks like in Pleo Web App

​Example Response BAD_REQUEST

​5. Unarchive or Update Existing Tag Groups

​Example Request

​Example Response

​What it looks like in Pleo Web App

​6. Archive Tag Groups with No Matching Selected Dimension

​Example Request

​Example Response

​Result

​What Comes Next?

​Related Reading

Prerequisites

Scenario

Steps

1. Retrieve Selected Dimensions from the Accounting System

Example Result

2. Retrieve All Tag Groups from Pleo

Example Request

Example Response

What it looks like in Pleo Web App

Example Result

3. Match Dimensions to Tag Groups by Code

Example Result

4. Create Tag Groups for New Dimensions

Example Request

Example Response

What it looks like in Pleo Web App

Example Response `BAD_REQUEST`

5. Unarchive or Update Existing Tag Groups

Example Request

Example Response

What it looks like in Pleo Web App

6. Archive Tag Groups with No Matching Selected Dimension

Example Request

Example Response

Result

What Comes Next?

Related Reading