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

# Query audit trail

> Returns paginated audit events for the tenant. Audit queries are not themselves logged.



## OpenAPI

````yaml /pt/openapi/v3-current/bc-correios.yaml get /api/v1/correios/audit
openapi: 3.1.0
info:
  description: >-
    API for Lerian BC Correios, which connects the institution to BC Correio,
    Banco Central do Brasil's electronic correspondence system. It retrieves and
    stores the institution's BC Correio mail, sends messages to BACEN
    departments, and keeps an audit trail.
  title: Lerian BC Correios API
  version: 1.0.0
servers:
  - url: https://bc-correios.sandbox.lerian.net
security:
  - BearerAuth: []
tags:
  - description: Mail listing, search, read, send, and lifecycle operations.
    name: Mails
  - description: Immutable audit-trail query and export.
    name: Audit
  - description: 'Per-tenant configuration: BCB credentials, polling, AI, retention.'
    name: Settings
  - description: Aggregate mail metrics and category breakdowns.
    name: Dashboard
paths:
  /api/v1/correios/audit:
    get:
      tags:
        - Audit
      summary: Query audit trail
      description: >-
        Returns paginated audit events for the tenant. Audit queries are not
        themselves logged.
      operationId: QueryAuditTrail
      parameters:
        - description: Filter by mail ID (UUID v4)
          explode: false
          in: query
          name: mailId
          schema:
            description: Filter by mail ID (UUID v4)
            examples:
              - 550e8400-e29b-41d4-a716-446655440000
            type: string
        - description: Filter by user ID (UUID v4)
          explode: false
          in: query
          name: userId
          schema:
            description: Filter by user ID (UUID v4)
            type: string
        - description: >-
            Filter by action type (VIEW_MAIL, DOWNLOAD_ATTACHMENT, SEND_MESSAGE,
            MAIL_ARCHIVED, MAIL_RESTORED, MAIL_READ, SETTINGS_UPDATED,
            RETENTION_POLICY_APPLIED)
          explode: false
          in: query
          name: action
          schema:
            description: >-
              Filter by action type (VIEW_MAIL, DOWNLOAD_ATTACHMENT,
              SEND_MESSAGE, MAIL_ARCHIVED, MAIL_RESTORED, MAIL_READ,
              SETTINGS_UPDATED, RETENTION_POLICY_APPLIED)
            examples:
              - VIEW_MAIL
            type: string
        - description: Events from this date (ISO 8601 / RFC 3339)
          explode: false
          in: query
          name: startDate
          schema:
            description: Events from this date (ISO 8601 / RFC 3339)
            type: string
        - description: Events up to this date (ISO 8601 / RFC 3339)
          explode: false
          in: query
          name: endDate
          schema:
            description: Events up to this date (ISO 8601 / RFC 3339)
            type: string
        - description: Pagination cursor (opaque)
          explode: false
          in: query
          name: cursor
          schema:
            description: Pagination cursor (opaque)
            type: string
        - description: Results per page (default 20, max 100)
          explode: false
          in: query
          name: limit
          schema:
            description: Results per page (default 20, max 100)
            type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AuditListResponse'
          description: OK
          headers:
            Cache-Control:
              schema:
                description: Always no-store — the trail carries operator identities
                type: string
        '400':
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Detail'
          description: Bad Request
        '401':
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Detail'
          description: Unauthorized
        '403':
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Detail'
          description: Forbidden
        '422':
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Detail'
          description: Unprocessable Entity
        '429':
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Detail'
          description: Too Many Requests
        '500':
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Detail'
          description: Internal Server Error
        '503':
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Detail'
          description: Service Unavailable
      security:
        - BearerAuth: []
components:
  schemas:
    AuditListResponse:
      additionalProperties: false
      properties:
        hasMore:
          type: boolean
        items:
          items:
            $ref: '#/components/schemas/AuditEventResponse'
          type: array
        nextCursor:
          type:
            - string
            - 'null'
      required:
        - items
        - nextCursor
        - hasMore
      type: object
    Detail:
      additionalProperties: false
      properties:
        code:
          description: >-
            Stable, machine-readable domain error code scoped to the emitting
            service (format: <SERVICE>-NNNN).
          type: string
        correlationId:
          description: Request-scoped correlation identifier echoing X-Request-ID.
          examples:
            - req-7a3f9c2e
          type: string
        detail:
          description: >-
            A human-readable explanation specific to this occurrence of the
            problem.
          examples:
            - Property foo is required but is missing.
          type: string
        errors:
          description: Optional list of individual error details
          items:
            $ref: '#/components/schemas/ErrorDetail'
          type:
            - array
            - 'null'
        instance:
          description: >-
            A URI reference that identifies the specific occurrence of the
            problem.
          examples:
            - https://example.com/error-log/abc123
          format: uri
          type: string
        status:
          description: HTTP status code
          examples:
            - 400
          format: int64
          type: integer
        title:
          description: >-
            A short, human-readable summary of the problem type. This value
            should not change between occurrences of the error.
          examples:
            - Bad Request
          type: string
        type:
          default: about:blank
          description: A URI reference to human-readable documentation for the error.
          examples:
            - https://example.com/errors/example
          format: uri
          type: string
        upstream:
          $ref: '#/components/schemas/Upstream'
          description: >-
            RFC 9457 extension member: the error a proxied third-party provider
            reported. Absent unless the emitting service explicitly surfaced
            one.
      required:
        - correlationId
      type: object
    AuditEventResponse:
      additionalProperties: false
      properties:
        action:
          examples:
            - VIEW_MAIL
          type: string
        actorSubject:
          examples:
            - jota
          type: string
        id:
          examples:
            - a1b2c3d4-e5f6-7890-abcd-ef1234567890
          type: string
        mailId:
          examples:
            - 550e8400-e29b-41d4-a716-446655440000
          type: string
        tenantId:
          examples:
            - c7aab4e8-1234-5678-9abc-def012345678
          type: string
        timestamp:
          examples:
            - '2026-03-28T10:35:00Z'
          type: string
        userId:
          examples:
            - d4e5f6a7-b8c9-0123-4567-890abcdef012
          type: string
      required:
        - id
        - tenantId
        - action
        - timestamp
      type: object
    ErrorDetail:
      additionalProperties: false
      properties:
        location:
          description: >-
            Where the error occurred, e.g. 'body.items[3].tags' or
            'path.thing-id'
          type: string
        message:
          description: Error message text
          type: string
        value:
          description: The value at the given location
      type: object
    Upstream:
      additionalProperties: false
      properties:
        code:
          description: The upstream provider's own error code, verbatim.
          examples:
            - E4001
          type: string
        message:
          description: >-
            The upstream provider's own error message, verbatim (bounded, never
            its raw response body).
          examples:
            - account not found at provider
          type: string
      type: object
  securitySchemes:
    BearerAuth:
      bearerFormat: JWT
      description: JWT bearer token issued by the identity provider.
      scheme: bearer
      type: http

````

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