> ## Documentation Index
> Fetch the complete documentation index at: https://docs.niadra.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Timeline by profile

> The same timeline, by profile id in the query.



## OpenAPI

````yaml openapi/en/cell.json GET /v1/history/timeline
openapi: 3.1.0
info:
  title: Niadra data API
  version: '1'
  description: >-
    Writing, context, history, objects, identity, privacy and governance of one
    space. Every space has a stable address, with the space and the region in
    its name.
servers:
  - url: https://{space}.{region}.api.niadra.com
    variables:
      space:
        default: acme-prod
        description: The space, which comes in the source key.
      region:
        default: us-east-1
        description: The region of the space, which also comes in the key.
security: []
paths:
  /v1/history/timeline:
    get:
      tags:
        - read
      summary: Timeline by profile
      description: >-
        The same timeline as `POST /v1/history/timeline`, addressed by profile
        id in the query, for tools that already hold the profile: one
        conversation, system event or action per line, newest first, paginated
        with `cursor`. Same policy, verification level and receipt.


        **Authentication.** Source key: `Authorization: Bearer nia_sk_...`.
        Required scope: `search`.
      operationId: timeline_by_profile_v1_history_timeline_get
      parameters:
        - in: query
          name: profile_id
          required: true
          schema:
            format: uuid
            title: Profile Id
            type: string
          description: The profile whose history to read.
          example: 0192f7a1-5b10-7c3a-8e21-4d2f8a4c0e01
        - in: query
          name: cursor
          required: false
          schema:
            anyOf:
              - type: string
              - type: 'null'
            title: Cursor
          description: Opaque cursor from `next_cursor`.
        - in: query
          name: limit
          required: false
          schema:
            default: 20
            maximum: 100
            minimum: 1
            title: Limit
            type: integer
          example: 20
        - in: query
          name: verification
          required: false
          schema:
            $ref: '#/components/schemas/Verification'
            default: V0
        - in: query
          name: conversation_id
          required: false
          schema:
            anyOf:
              - type: string
              - type: 'null'
            title: Conversation Id
          description: >-
            The conversation asking, so the verification level of that session
            applies.
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TimelineResponse'
              example:
                items:
                  - id: ep_01J2
                    kind: episode
                    text: >-
                      Technician did not show up · $40 credit on the April bill
                      · settled
                    at: '2026-03-12T14:20:00Z'
                    channel: voice
                    source_id: src_voice
                    outcome: resolved
                    confidence: 0.94
                    origin_event_id: evt_01J2A
                  - id: ep_01J3
                    kind: episode
                    text: Customer confirmed the credit and the new visit
                    at: '2026-03-14T12:02:00Z'
                    channel: whatsapp
                    source_id: src_whatsapp
                    outcome: resolved
                    confidence: 0.91
                    origin_event_id: evt_01J3C
                next_cursor: c_01J8ZQ
                withheld: 1
                as_of: '2026-09-22T17:07:02Z'
          description: One page.
        '422':
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Problem'
          description: The request does not match the contract.
      security:
        - sourceKey: []
components:
  schemas:
    Verification:
      description: Session verification levels. `no_customer` sits outside the V0-V4 scale.
      enum:
        - V0
        - V1
        - V2
        - V3
        - V4
        - no_customer
      title: Verification
      type: string
    TimelineResponse:
      additionalProperties: false
      properties:
        as_of:
          anyOf:
            - format: date-time
              type: string
            - type: 'null'
          title: As Of
        items:
          items:
            $ref: '#/components/schemas/HistoryItem'
          title: Items
          type: array
        next_cursor:
          anyOf:
            - type: string
            - type: 'null'
          title: Next Cursor
        withheld:
          default: 0
          title: Withheld
          type: integer
      required:
        - items
      title: TimelineResponse
      type: object
    Problem:
      additionalProperties: false
      description: RFC 9457 problem details; `code` comes from the versioned error catalog.
      properties:
        code:
          title: Code
          type: string
        detail:
          anyOf:
            - type: string
            - type: 'null'
          default: null
          title: Detail
        request_id:
          anyOf:
            - type: string
            - type: 'null'
          default: null
          title: Request Id
        status:
          title: Status
          type: integer
        title:
          title: Title
          type: string
        type:
          default: about:blank
          title: Type
          type: string
      required:
        - title
        - status
        - code
      title: Problem
      type: object
    HistoryItem:
      additionalProperties: false
      properties:
        at:
          format: date-time
          title: At
          type: string
        channel:
          anyOf:
            - type: string
            - type: 'null'
          title: Channel
        confidence:
          anyOf:
            - type: number
            - type: 'null'
          title: Confidence
        id:
          title: Id
          type: string
        kind:
          title: Kind
          type: string
          description: >-
            One of `episode`, `fact`, `open_item`, `action`, `system_event`,
            `object`, `trait`.
        origin_event_id:
          anyOf:
            - type: string
            - type: 'null'
          title: Origin Event Id
          description: The event this item came from.
        outcome:
          anyOf:
            - type: string
            - type: 'null'
          title: Outcome
        source_id:
          anyOf:
            - type: string
            - type: 'null'
          title: Source Id
        text:
          title: Text
          type: string
          description: Dense text, in the same key-value style as the pack.
      required:
        - id
        - kind
        - text
        - at
      title: HistoryItem
      type: object
  securitySchemes:
    sourceKey:
      type: http
      scheme: bearer
      description: nia_sk_...

````