---
title: "Get other participants in direct chat messages to or from a member. Roles: admin, member."
method: GET
path: "/api/chats/members/{memberId}/participants"
tags: ["Chat"]
---

# Get other participants in direct chat messages to or from a member. Roles: admin, member.

`GET /api/chats/members/{memberId}/participants`

## Request

- Base URL: `https://api.mobilecoach.org` (the document declares no server; this is the origin it was published from)
- URL: `https://api.mobilecoach.org/api/chats/members/{memberId}/participants`
- Auth: `AuthToken` (a scheme the document does not define)

## Path parameters

- `memberId` integer, required

## Response `200`

OK

- GroupMembersResponseGroupMemberCoreWithGuardians
  - `success` boolean
  - `error` string
  - `groupMembers` GroupMemberCoreWithGuardians[]
    - `audit` Audit
      - `createdTime` string, date-time
      - `modifiedTime` string, date-time
      - `modifiedBy` string
    - `groupMemberId` integer
    - `external` boolean
    - `group` GroupFull
      - `audit` Audit
        - `createdTime` string, date-time
        - `modifiedTime` string, date-time
        - `modifiedBy` string
      - `groupId` integer
      - `groupType` GroupTypeCore
        - `audit` Audit
          - `createdTime` string, date-time
          - `modifiedTime` string, date-time
          - `modifiedBy` string
        - `groupTypeId` integer
        - `membershipId` integer
        - `name` string
        - `namePlural` string
        - `description` string
        - `properties` GroupTypeProperties
          - `announcementsHtml` string
          - `chatEnabled` boolean
          - `chatDefaultEnabled` boolean
          - `contactSharingDefaultEnabled` boolean
          - `postsEnabled` boolean
          - `postsDefaultEnabled` boolean
        - `root` boolean
        - `external` boolean
        - `externalReferenceId` string
        - `isPrivate` boolean
      - `membershipId` integer
      - `name` string
      - `properties` GroupProperties
        - `chatEnabled` boolean
        - `postsEnabled` boolean
      - `nodeActive` boolean
      - `ancestryActive` boolean
      - `active` boolean
      - `root` boolean
      - `external` boolean
      - `externalReferenceId` string
      - `parentGroup` GroupFull (recursive)
    - `groupRole` GroupRoleCore
      - `audit` Audit
        - `createdTime` string, date-time
        - `modifiedTime` string, date-time
        - `modifiedBy` string
      - `groupRoleId` integer
      - `name` string
      - `namePlural` string
      - `external` boolean
      - `externalReferenceId` string
      - `selfRegistrationAccessCode` 'CLOSED' | 'GROUP_MEMBERS' | 'OPEN'
      - `dependentRegistrationAccessCode` 'CLOSED' | 'GROUP_MEMBERS' | 'OPEN'
      - `invitationsAllowed` boolean
      - `activitySubmissionNotificationsEnabled` boolean
      - `permissions` string[]
    - `member` MemberSlimWithGuardians
      - `userMembershipId` integer
      - `membershipId` integer
      - `username` string
      - `firstName` string
      - `middleName` string
      - `lastName` string
      - `email` string
      - `phone` string
      - `guardians` MemberSlim[]
        - `userMembershipId` integer
        - `membershipId` integer
        - `username` string
        - `firstName` string
        - `middleName` string
        - `lastName` string
        - `email` string
        - `phone` string
        - `membershipNumber` string
        - `fullName` string
        - `isPrimary` boolean
      - `membershipNumber` string
      - `fullName` string
      - `isPrimary` boolean
    - `contactDetailsShareCode` 'DEFAULT' | 'ALLOW' | 'BLOCK'
    - `ageRestrictedFromChat` boolean

## Other responses

- `400`: Bad request
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not found
- `500`: Internal server error

## Changes

- **2026-09-18** `36f72442f0a1`: 2 info
  - added the optional property `groupMembers/items/group/groupType/externalReferenceId` to the response with the `200` status
  - added the optional property `groupMembers/items/groupRole/externalReferenceId` to the response with the `200` status
- **2026-09-02** `870f28ba2607`: 5 info
  - added the optional property `error/errorId` to the response with the `400` status
  - added the optional property `error/errorId` to the response with the `401` status
  - added the optional property `error/errorId` to the response with the `403` status
  - added the optional property `error/errorId` to the response with the `404` status
  - …1 more

[Operation history](https://skmtc.dev/mobilecoach/apis/untitled-api/changes/api/chats/members/:memberId/participants/get.md)

---

[API](https://skmtc.dev/mobilecoach/apis/untitled-api.md) - [All operations](https://skmtc.dev/mobilecoach/apis/untitled-api/llms.txt) - [OpenAPI document](https://skmtc.dev/mobilecoach/apis/untitled-api/revisions/6e5d224eed9b?raw)