Justworks · Capability

Justworks Members API — Members

Justworks Members API — Members. 4 operations. Lead operation: Justworks List Members. Self-contained Naftiko capability covering the Justworks workforce read surface.

Justworks Members API — Members is a Naftiko capability published by Justworks, one of 6 capabilities the APIs.io network indexes for this provider. It bundles 2 operations across the GET method rooted at /v1/v1/members.

The capability includes 4 read-only operations. Lead operation: Justworks List Members. Can be deployed as a REST endpoint, MCP tool, or Agent Skill via Naftiko.

Tagged areas include Justworks, Members, HR, and PEO.

Run with Naftiko JustworksMembersHRPEO

What You Can Do

GET

Listmembers — Justworks List Members

/v1/v1/members

GET

Getmember — Justworks Get Member

/v1/v1/members/{member-id}

MCP Tools

justworks-list-members

Justworks List Members

read-only idempotent

justworks-get-member

Justworks Get Member

read-only idempotent

justworks-list-member-custom-field-values

Justworks List Member Custom Field Values

read-only idempotent

justworks-get-member-tax-id

Justworks Get Member Tax ID

read-only idempotent

Capability Spec

naftiko: 1.0.0-alpha2
info:
  label: Justworks Members API — Members
  description: 'Justworks Members API — Members. 4 operations. Lead operation: Justworks List Members. Self-contained
    Naftiko capability covering the Justworks workforce read surface.'
  tags:
  - Justworks
  - Members
  - HR
  - PEO
  created: '2026-05-25'
  modified: '2026-05-25'
binds:
- namespace: env
  keys:
    JUSTWORKS_ACCESS_TOKEN: JUSTWORKS_ACCESS_TOKEN
capability:
  consumes:
  - type: http
    namespace: members
    baseUri: https://public-api.justworks.com
    description: Justworks Members API — Members business capability. Self-contained, no shared references.
    resources:
    - name: v1-members
      path: /v1/members
      operations:
      - name: listmembers
        method: GET
        description: Justworks List Members
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: v1-members-member_id
      path: /v1/members/{member_id}
      operations:
      - name: getmember
        method: GET
        description: Justworks Get Member
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: v1-members-member_id-custom-field-values
      path: /v1/members/{member_id}/custom-field-values
      operations:
      - name: listmembercustomfieldvalues
        method: GET
        description: Justworks List Member Custom Field Values
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: v1-members-member_id-tax-id
      path: /v1/members/{member_id}/tax-id
      operations:
      - name: getmembertaxid
        method: GET
        description: Justworks Get Member Tax ID
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    authentication:
      type: bearer
      key: Authorization
      value: 'Bearer {{env.JUSTWORKS_ACCESS_TOKEN}}'
      placement: header
  exposes:
  - type: rest
    namespace: members-rest
    port: 8080
    description: REST adapter for Justworks Members API — Members. One Spectral-compliant resource per consumed operation, prefixed with /v1.
    resources:
    - path: /v1/v1/members
      name: v1-members
      description: REST surface for v1-members.
      operations:
      - method: GET
        name: listmembers
        description: Justworks List Members
        call: members.listmembers
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/v1/members/{member-id}
      name: v1-members-member-id
      description: REST surface for v1-members-member_id.
      operations:
      - method: GET
        name: getmember
        description: Justworks Get Member
        call: members.getmember
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: members-mcp
    port: 9090
    transport: http
    description: MCP adapter for Justworks Members API — Members. One tool per consumed operation.
    tools:
    - name: justworks-list-members
      description: Justworks List Members
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: members.listmembers
      outputParameters:
      - type: object
        mapping: $.
    - name: justworks-get-member
      description: Justworks Get Member
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: members.getmember
      outputParameters:
      - type: object
        mapping: $.
    - name: justworks-list-member-custom-field-values
      description: Justworks List Member Custom Field Values
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: members.listmembercustomfieldvalues
      outputParameters:
      - type: object
        mapping: $.
    - name: justworks-get-member-tax-id
      description: Justworks Get Member Tax ID
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: members.getmembertaxid
      outputParameters:
      - type: object
        mapping: $.