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

# List report maps

> Returns paginated report maps for a project. Each report map defines how model nodes map to external registry parameter keys.



## OpenAPI

````yaml GET /projects/{project_id}/report_maps
openapi: 3.1.0
info:
  title: Mangrove - API
  version: 1.1.0
servers:
  - url: https://app.gomangrove.com/api/v1
security:
  - sec0: []
paths:
  /projects/{project_id}/report_maps:
    get:
      summary: List report maps for a project
      description: >-
        Returns paginated report maps for a project. Each report map defines how
        model nodes map to external registry parameter keys.
      operationId: list-report-maps
      parameters:
        - name: project_id
          in: path
          required: true
          schema:
            type: string
          description: Project ID
        - name: page
          in: query
          schema:
            type: integer
            default: 1
        - name: page_size
          in: query
          schema:
            type: integer
            default: 10
        - name: response_mode
          in: query
          description: >-
            Controls response format. default returns paginated data. summary
            returns count and 10 samples. summary_with_export returns summary
            and triggers an async export.
          schema:
            type: string
            enum:
              - default
              - summary
              - summary_with_export
        - name: export_format
          in: query
          description: >-
            File format for async export (only with
            response_mode=summary_with_export). Default: csv.
          schema:
            type: string
            enum:
              - csv
              - json
            default: csv
      responses:
        '200':
          description: '200'
          content:
            application/json:
              examples:
                Result:
                  value:
                    data:
                      - id: rmp_abc123def456
                        project_id: prj_xyz789
                        external_reference: rvt_1JPAZ9BWZSBXTBXS
                        external_reference_metadata:
                          name: Biomass Geological Storage
                          url: https://registry.isometric.com/...
                        quantification_methodology:
                          name: Biomass Geological Storage
                        created_at: '2026-01-15T10:00:00.000Z'
                        updated_at: '2026-01-15T10:00:00.000Z'
                    info:
                      items: 1
                      page_size: 10
                      total_items: 1
                      current_page: 1
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      type: object
                      properties:
                        id:
                          type: string
                          example: rmp_abc123def456
                        project_id:
                          type: string
                          example: prj_xyz789
                        external_reference:
                          type: string
                        external_reference_metadata:
                          type: object
                        quantification_methodology:
                          type: object
                          nullable: true
                          properties:
                            name:
                              type: string
                        created_at:
                          type: string
                          format: date-time
                        updated_at:
                          type: string
                          format: date-time
                  info:
                    type: object
        '401':
          description: Unauthorized
        '403':
          description: Forbidden
      deprecated: false
components:
  securitySchemes:
    sec0:
      type: apiKey
      in: header
      name: Authorization
      x-bearer-format: ''

````