Core API — User Transitions

naftiko: 1.0.0-alpha2
info:
  label: Core API — User Transitions
  description: 'Core API — User Transitions. 3 operations. Lead operation: Create user transition. Self-contained Naftiko
    capability covering one Marqeta business surface.'
  tags:
  - Marqeta
  - User Transitions
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    MARQETA_API_KEY: MARQETA_API_KEY
capability:
  consumes:
  - type: http
    namespace: core-user-transitions
    baseUri: ''
    description: Core API — User Transitions business capability. Self-contained, no shared references.
    resources:
    - name: usertransitions
      path: /usertransitions
      operations:
      - name: postusertransitions
        method: POST
        description: Create user transition
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: false
    - name: usertransitions-user-user_token
      path: /usertransitions/user/{user_token}
      operations:
      - name: getusertransitionsuserusertoken
        method: GET
        description: List transitions for user
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: user_token
          in: path
          type: string
          description: Unique identifier of the user resource.
          required: true
        - name: count
          in: query
          type: integer
          description: Number of user transitions to retrieve.
        - name: start_index
          in: query
          type: integer
          description: Sort order index of the first resource in the returned array.
        - name: fields
          in: query
          type: string
          description: Comma-delimited list of fields to return (`field_1,field_2`, and so on).
        - name: sort_by
          in: query
          type: string
          description: Field on which to sort.
    - name: usertransitions-token
      path: /usertransitions/{token}
      operations:
      - name: getusertransitionstoken
        method: GET
        description: Retrieve user transition
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: token
          in: path
          type: string
          description: Unique identifier of the user transition you want to retrieve.
          required: true
        - name: fields
          in: query
          type: string
          description: Comma-delimited list of fields to return (`field_1,field_2`, and so on).
    authentication:
      type: basic
      username: '{{env.MARQETA_USER}}'
      password: '{{env.MARQETA_PASS}}'
  exposes:
  - type: rest
    namespace: core-user-transitions-rest
    port: 8080
    description: REST adapter for Core API — User Transitions. One Spectral-compliant resource per consumed operation, prefixed
      with /v1.
    resources:
    - path: /v1/usertransitions
      name: usertransitions
      description: REST surface for usertransitions.
      operations:
      - method: POST
        name: postusertransitions
        description: Create user transition
        call: core-user-transitions.postusertransitions
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/usertransitions/user/{user-token}
      name: usertransitions-user-user-token
      description: REST surface for usertransitions-user-user_token.
      operations:
      - method: GET
        name: getusertransitionsuserusertoken
        description: List transitions for user
        call: core-user-transitions.getusertransitionsuserusertoken
        with:
          user_token: rest.user_token
          count: rest.count
          start_index: rest.start_index
          fields: rest.fields
          sort_by: rest.sort_by
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/usertransitions/{token}
      name: usertransitions-token
      description: REST surface for usertransitions-token.
      operations:
      - method: GET
        name: getusertransitionstoken
        description: Retrieve user transition
        call: core-user-transitions.getusertransitionstoken
        with:
          token: rest.token
          fields: rest.fields
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: core-user-transitions-mcp
    port: 9090
    transport: http
    description: MCP adapter for Core API — User Transitions. One tool per consumed operation, routed inline through this
      capability's consumes block.
    tools:
    - name: create-user-transition
      description: Create user transition
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: core-user-transitions.postusertransitions
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: list-transitions-user
      description: List transitions for user
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: core-user-transitions.getusertransitionsuserusertoken
      with:
        user_token: tools.user_token
        count: tools.count
        start_index: tools.start_index
        fields: tools.fields
        sort_by: tools.sort_by
      outputParameters:
      - type: object
        mapping: $.
    - name: retrieve-user-transition
      description: Retrieve user transition
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: core-user-transitions.getusertransitionstoken
      with:
        token: tools.token
        fields: tools.fields
      outputParameters:
      - type: object
        mapping: $.