> ## 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.

# List settlement-coverage capabilities

> Settlement-coverage transparency — the messages/flows the rail implements versus what SILOC defines (the CATALOG.md-backed view).



## OpenAPI

````yaml en/openapi/v3-current/siloc.yaml get /api/v1/siloc/capabilities
openapi: 3.1.0
info:
  description: >-
    OpenAPI 3.1 surface for Lerian SILOC, the participant-side rail connecting
    the institution to Núclea's SILOC deferred-net interbank settlement for the
    card domain. It covers settlement-coverage capabilities, participant
    registry and operational status, regulated-certificate lifecycle, the
    card-domain message relay and its status, and administrative replay of
    parked relay failures.
  title: Lerian SILOC API
  version: 1.0.0
servers:
  - url: https://siloc.sandbox.lerian.net
security: []
paths:
  /api/v1/siloc/capabilities:
    get:
      tags:
        - Integration
      summary: List settlement-coverage capabilities
      description: >-
        Settlement-coverage transparency — the messages/flows the rail
        implements versus what SILOC defines (the CATALOG.md-backed view).
      operationId: listCapabilities
      parameters:
        - description: Opaque pagination cursor.
          explode: false
          in: query
          name: cursor
          schema:
            description: Opaque pagination cursor.
            type: string
        - description: Page size (default 50, max 200).
          explode: false
          in: query
          name: limit
          schema:
            default: 50
            description: Page size (default 50, max 200).
            format: int64
            maximum: 200
            minimum: 1
            type: integer
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CapabilityListResponse'
          description: OK
        default:
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/Detail'
          description: Error
      security:
        - BearerAuth: []
components:
  schemas:
    CapabilityListResponse:
      additionalProperties: false
      properties:
        correlationId:
          description: Request-scoped correlation identifier echoing X-Request-ID.
          type: string
        items:
          description: The page of capabilities (never null).
          items:
            $ref: '#/components/schemas/CapabilityResponse'
          type:
            - array
            - 'null'
        limit:
          description: Effective page size.
          format: int64
          type: integer
        nextCursor:
          description: Opaque cursor for the next page; empty when exhausted.
          type: string
        prevCursor:
          description: >-
            Reserved for future bidirectional cursoring; omitted until
            supported.
          type: string
      required:
        - items
        - limit
        - correlationId
      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
    CapabilityResponse:
      additionalProperties: false
      properties:
        direction:
          description: Message direction relative to the rail.
          enum:
            - INBOUND
            - OUTBOUND
          type: string
        disposition:
          description: Coverage disposition (full / notice / deferred / relayed).
          examples:
            - full
          type: string
        implemented:
          description: >-
            Whether the rail implements this message/flow (vs merely defined by
            SILOC).
          type: boolean
        messageType:
          description: The SILOC message/flow code.
          examples:
            - LDL0021
          type: string
      required:
        - messageType
        - implemented
      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

````