Kontomatik Aggregation API

openapi: 3.0.3
info:
  title: Kontomatik Account Information Service Aggregation API
  version: 1.0.0
  description: 'PSD2-regulated Account Information Service (AIS) for connecting to end-user

    bank accounts across Central and Eastern Europe. Supports Single Access

    (one-time data fetch) and Multiple Access (reusable consent token, up to

    180 days), redirection-based SignIn Flow, and mock-bank testing.

    '
  contact:
    name: Kontomatik Support
    email: support@kontomatik.com
    url: https://developer.kontomatik.com/
  license:
    name: Commercial — see https://kontomatik.com
servers:
- url: https://api.kontomatik.com/v1
  description: Production
- url: https://test.api.kontomatik.com/v1
  description: Test
security:
- ApiKeyAuth: []
tags:
- name: Aggregation
  description: Cross-source aggregation
paths:
  /data/aggregated:
    get:
      tags:
      - Aggregation
      summary: Get Aggregated Data
      description: Aggregates data across multiple import sessions for a single owner.
      operationId: getAggregatedData
      parameters:
      - name: ownerExternalId
        in: query
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Aggregated data returned
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AggregatedData'
components:
  schemas:
    AggregatedData:
      type: object
      properties:
        ownerExternalId:
          type: string
        owners:
          type: array
          items:
            type: object
        accounts:
          type: array
          items:
            type: object
        sources:
          type: array
          items:
            type: string
            enum:
            - AIS
            - PDF
            - UPLOAD
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-Api-Key
      description: API key issued by Kontomatik; requests must originate from a whitelisted server.