openapi: 3.0.3
info:
  title: Kontomatik Account Information Service Aggregation Statements 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: Statements
  description: Bank statement PDF parsing
paths:
  /pdf/statement:
    post:
      tags:
      - Statements
      summary: Parse Statement (Standard)
      description: Parses a bank statement PDF and returns structured data. Rejects with errors if verification inconsistencies are detected.
      operationId: parseStatement
      requestBody:
        required: true
        content:
          multipart/form-data:
            schema:
              type: object
              required:
              - pdf
              properties:
                pdf:
                  type: string
                  format: binary
                ownerExternalId:
                  type: string
                password:
                  type: string
      responses:
        '200':
          description: Statement parsed
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StatementResult'
        '400':
          description: Verification failures detected
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/VerificationFailure'
  /pdf/statement-trusted:
    post:
      tags:
      - Statements
      summary: Parse Statement (Trusted)
      description: Parses a bank statement PDF and returns data even when verification fails. Use when the source is trusted.
      operationId: parseStatementTrusted
      requestBody:
        required: true
        content:
          multipart/form-data:
            schema:
              type: object
              required:
              - pdf
              properties:
                pdf:
                  type: string
                  format: binary
                ownerExternalId:
                  type: string
                password:
                  type: string
      responses:
        '200':
          description: Statement parsed (possibly with verification warnings)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StatementResult'
  /pdf/statements:
    get:
      tags:
      - Statements
      summary: List Parsed Statements
      description: Lists previously parsed statement documents for a given owner.
      operationId: listStatements
      parameters:
      - name: ownerExternalId
        in: query
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Statements listed
          content:
            application/json:
              schema:
                type: object
                properties:
                  statements:
                    type: array
                    items:
                      $ref: '#/components/schemas/StatementSummary'
components:
  schemas:
    StatementTransaction:
      type: object
      properties:
        date:
          type: string
          format: date
        amount:
          type: number
          format: double
        currency:
          type: string
        description:
          type: string
    StatementSummary:
      type: object
      properties:
        statementId:
          type: string
        ownerExternalId:
          type: string
        bank:
          type: string
        parsedAt:
          type: string
          format: date-time
    VerificationFailure:
      type: object
      properties:
        code:
          type: string
        message:
          type: string
        failedVerifications:
          type: array
          items:
            type: string
    StatementResult:
      type: object
      properties:
        statementId:
          type: string
        bank:
          type: string
        owners:
          type: array
          items:
            type: object
            properties:
              name:
                type: string
              nationalId:
                type: string
              address:
                type: string
        accounts:
          type: array
          items:
            type: object
            properties:
              number:
                type: string
              currency:
                type: string
              transactions:
                type: array
                items:
                  $ref: '#/components/schemas/StatementTransaction'
        failedVerifications:
          type: array
          items:
            type: string
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-Api-Key
      description: API key issued by Kontomatik; requests must originate from a whitelisted server.