> ## 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.

# Trust-store certificate status summary

> Classifies every certificate in the tenant trust store as OK / EXPIRING_SOON / EXPIRED and returns per-certificate entries plus an aggregate summary (total, expiringSoon, expired).



## OpenAPI

````yaml en/openapi/v3-current/sta.yaml get /v1/certificates/status
openapi: 3.1.0
info:
  description: >-
    API for Lerian STA — the participant-side rail that connects the institution
    to Banco Central do Brasil's STA (Sistema de Transferencia de Arquivos)
    file-exchange system. It covers outbound and inbound file transfers, BACEN
    credential management, inbound source polling configuration, and the tenant
    trust-store for message-signing certificates.
  title: Lerian STA API
  version: v1.0.0
servers:
  - url: https://sta.sandbox.lerian.net
security:
  - BearerAuth: []
paths:
  /v1/certificates/status:
    get:
      tags:
        - trust-store
      summary: Trust-store certificate status summary
      description: >-
        Classifies every certificate in the tenant trust store as OK /
        EXPIRING_SOON / EXPIRED and returns per-certificate entries plus an
        aggregate summary (total, expiringSoon, expired).
      operationId: statusCertificates
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StatusResponse'
          description: OK
        default:
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Detail'
          description: Error
      security:
        - BearerAuth: []
components:
  schemas:
    StatusResponse:
      additionalProperties: false
      properties:
        certificates:
          items:
            $ref: '#/components/schemas/StatusEntry'
          type:
            - array
            - 'null'
        summary:
          $ref: '#/components/schemas/StatusSummary'
      required:
        - certificates
        - summary
      type: object
    Detail:
      additionalProperties: false
      properties:
        code:
          description: >-
            Stable, machine-readable domain error code scoped to the emitting
            service (format: <SERVICE>-NNNN).
          examples:
            - ERR-0001
          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
      type: object
    StatusEntry:
      additionalProperties: false
      properties:
        alias:
          type: string
        daysUntilExpiry:
          format: int64
          type: integer
        issuer:
          type: string
        status:
          type: string
        validUntil:
          format: date-time
          type: string
      required:
        - alias
        - issuer
        - validUntil
        - daysUntilExpiry
        - status
      type: object
    StatusSummary:
      additionalProperties: false
      properties:
        expired:
          format: int64
          type: integer
        expiringSoon:
          format: int64
          type: integer
        total:
          format: int64
          type: integer
      required:
        - total
        - expiringSoon
        - expired
      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
  securitySchemes:
    BearerAuth:
      bearerFormat: JWT
      description: JWT bearer token issued by the identity provider.
      scheme: bearer
      type: http

````