> ## Documentation Index > Fetch the complete documentation index at: https://docs.voucherify.io/llms.txt > Use this file to discover all available pages before exploring further. # List program members summary reports > Returns all-time member and card totals for the program. The response contains one row when activity was recorded, and an empty `data` array otherwise. `limit` and `order` are not query parameters. Returns `400` when query validation fails. Returns `404` when the program does not exist. ## OpenAPI ````yaml /openapi/loyalties-v2.json get /v2/loyalties/programs/{programId}/reports/members/summary openapi: 3.1.0 info: title: Voucherify API - Loyalty v2 version: v2018-08-01 description: >- Voucherify promotion engine REST API. Please see https://docs.voucherify.io/docs for more details. contact: name: Voucherify Team url: https://www.voucherify.io/contact-support email: support@voucherify.io termsOfService: https://www.voucherify.io/legal/subscription-agreement license: name: MIT url: https://github.com/voucherifyio/voucherify-js-sdk/blob/main/LICENSE servers: - url: https://{cluster}.voucherify.io description: Base URL variables: cluster: default: api enum: - api - us1.api - as1.api - download - us1.download - as1.download security: [] paths: /v2/loyalties/programs/{programId}/reports/members/summary: parameters: - name: programId in: path required: true description: >- Identifies the loyalty program (`lprg_` followed by hexadecimal characters). schema: type: string get: tags: - Programs summary: List program members summary reports description: >- Returns all-time member and card totals for the program. The response contains one row when activity was recorded, and an empty `data` array otherwise. `limit` and `order` are not query parameters. Returns `400` when query validation fails. Returns `404` when the program does not exist. operationId: listProgramMembersSummaryReports responses: '200': description: Program members summary report. content: application/json: schema: $ref: >- #/components/schemas/LoyaltiesProgramsReportsMembersSummaryListResponseBody examples: Summary members report: value: data: - id: lpmrs_12d8b27ab4e0fcb6e1 members_joined: 5 members_deactivated: 5 members_deleted: 2 cards: 6 object: program_members_summary_report object: report Empty members summary report: value: data: [] object: report '400': description: Query parameters failed validation. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' examples: 'Invalid query parameters: `limit` is not a query parameter': value: code: 400 key: invalid_query_params message: Invalid query params details: Query must NOT have additional properties request_id: v-131e4b76ad2e098970 '404': description: Program not found. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' examples: Program not found: value: code: 404 key: not_found message: Resource not found details: Cannot find program with id lprg_128f58429fc4bf7b2 request_id: v-131e4b76ad2e098972 resource_id: lprg_128f58429fc4bf7b2 resource_type: program Program id does not match the pattern: value: code: 404 key: not_found message: Resource not found details: Cannot find program with id missing request_id: v-131e4b76ad2e098973 resource_id: missing resource_type: program '500': description: Internal server error. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' examples: Internal server error: value: code: 500 key: api_error message: >- Something went wrong. Don't worry, your campaigns are still safe and the Voucherify Team has been notified. Check out our Help Center and forums for help, or head back to home. security: - X-App-Id: [] X-App-Token: [] - bearerAuth: [] components: schemas: LoyaltiesProgramsReportsMembersSummaryListResponseBody: type: object title: Loyalties Programs Reports Members Summary List Response Body description: >- Response body schema for **GET** `/v2/loyalties/programs/{programId}/reports/members/summary`. properties: data: type: array description: >- List of summary rows for the program. Contains one row when activity was recorded, ordered by `id` descending. Empty when no activity was recorded. items: $ref: '#/components/schemas/MembersReportSummaryEntry' object: type: string const: report description: Object type marker. Always `report`. required: - data - object ErrorResponse: type: object description: Standard error response returned by all Loyalty v2 endpoints. properties: code: type: integer description: HTTP status code of the error. key: type: string description: Machine-readable error key. message: type: string description: Human-readable error message. details: type: string description: Additional details about the error. request_id: type: string description: Unique identifier of the request that produced the error. resource_id: type: string description: Unique identifier of the resource that produced the error. resource_type: type: string description: Type of the resource that produced the error. MembersReportSummaryEntry: type: object description: >- All-time member and card changes for the program. Counters that did not change are 0. properties: id: type: string pattern: ^lpmrs_[a-f0-9]+$ description: >- Identifies the summary row (format: `lpmrs_` followed by hexadecimal characters). members_joined: type: number description: Counts members who joined the program. members_deactivated: type: number description: >- Counts members deactivated. Decreases by 1 when a member is activated again. members_deleted: type: number description: Counts members deleted. cards: type: number description: >- Counts cards created. Decreases by 1 when a card is unassigned (e.g. when a member is deleted). object: type: string const: program_members_summary_report description: Object type marker. Always `program_members_summary_report`. required: - id - members_joined - members_deactivated - members_deleted - cards - object securitySchemes: X-App-Id: type: apiKey name: X-App-Id in: header X-App-Token: type: apiKey name: X-App-Token in: header bearerAuth: type: http scheme: bearer bearerFormat: JWT ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.