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

# List issue occurrences

> List occurrences for an issue. Pass release to filter; empty string matches unreleased occurrences.



## OpenAPI

````yaml https://api.uselemma.ai/openapi.json get /issues/{issue_id}/occurrences
openapi: 3.1.0
info:
  title: Lemma Platform API
  description: Lemma Platform HTTP API for AI observability and workspace operations.
  version: 0.1.0
servers:
  - url: https://api.uselemma.ai
    description: Lemma production API
security:
  - bearerAuth: []
paths:
  /issues/{issue_id}/occurrences:
    get:
      tags:
        - Issues
      summary: List issue occurrences
      description: >-
        List occurrences for an issue. Pass release to filter; empty string
        matches unreleased occurrences.
      operationId: list_issue_occurrences
      parameters:
        - name: issue_id
          in: path
          required: true
          description: Issue ID.
          schema:
            type: string
        - name: limit
          in: query
          required: false
          description: Maximum number of records to return.
          schema:
            type: integer
            minimum: 1
        - name: offset
          in: query
          required: false
          description: Number of records to skip.
          schema:
            type: integer
            minimum: 0
        - name: release
          in: query
          required: false
          description: >-
            Filter by release. Omit for all; pass an empty string for unreleased
            occurrences.
          schema:
            type: string
      responses:
        '200':
          description: Issue occurrences
          content:
            application/json:
              schema:
                type: object
                properties:
                  occurrences:
                    type: array
                    items:
                      type: object
                      properties:
                        id:
                          type: string
                        trace_id:
                          type: string
                        issue_id:
                          type:
                            - string
                            - 'null'
                        title:
                          type: string
                        rationale:
                          type: string
                        source_span_ids:
                          type: array
                          items:
                            type: string
                        evidence_span_ids:
                          type: array
                          items:
                            type: string
                        citations: {}
                        created_at:
                          type:
                            - string
                            - 'null'
                          format: date-time
                        release:
                          type:
                            - string
                            - 'null'
                        trace:
                          type:
                            - object
                            - 'null'
                          properties:
                            id:
                              type: string
                            otel_trace_id:
                              type:
                                - string
                                - 'null'
                            project_id:
                              type: string
                            service_name:
                              type:
                                - string
                                - 'null'
                            timestamp:
                              type:
                                - string
                                - 'null'
                              format: date-time
                            thread_id:
                              type:
                                - string
                                - 'null'
                            release:
                              type:
                                - string
                                - 'null'
                          required:
                            - id
                            - otel_trace_id
                            - project_id
                            - service_name
                            - timestamp
                            - thread_id
                          additionalProperties: false
                      required:
                        - id
                        - trace_id
                        - issue_id
                        - title
                        - rationale
                        - source_span_ids
                        - evidence_span_ids
                        - created_at
                        - trace
                      additionalProperties: false
                  total:
                    type: number
                  limit:
                    type: number
                  offset:
                    type: number
                  has_more:
                    type: boolean
                required:
                  - occurrences
                  - total
                  - limit
                  - offset
                  - has_more
                additionalProperties: false
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                type: object
                properties:
                  detail:
                    type: string
                  code:
                    type: string
                required:
                  - detail
                additionalProperties: false
        '404':
          description: Not found
          content:
            application/json:
              schema:
                type: object
                properties:
                  detail:
                    type: string
                  code:
                    type: string
                required:
                  - detail
                additionalProperties: false
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer

````