> ## Documentation Index > Fetch the complete documentation index at: https://developer.fabric.inc/llms.txt > Use this file to discover all available pages before exploring further. # Get item IDs for given shipping method > You may want to determine what items are in a specific shipping method, to calculate shipping costs, verify the eligibility of items for specific shipping methods, or display the list of items to shoppers during the checkout process.

This endpoint is used to get item IDs for a given shipping method.

## OpenAPI ````yaml shipping-methods.openapi get /shipping-methods/{shippingMethodId}/items openapi: 3.0.1 info: contact: email: support@fabric.inc name: fabric Support team description: >- fabric **Shipping Methods** API is a multi-tenant service that enables you to manage carriers and expose shipping methods on your Storefront. With the Shipping Methods API, you can configure shipping methods and associate items to specific shipping methods. When shoppers browse through your e-commerce platform (website or app), they'll see the items with their shipping methods, which gives an estimate of when they can get the item. license: name: fabric API License url: https://fabric.inc/api-license termsOfService: https://fabric.inc/terms-of-use title: Orders - Shipping Methods API version: 3.0.0 x-audience: external-public servers: - description: Production url: https://api.fabric.inc/v3 security: - authorization: [] tags: - description: >- fabric **Shipping Methods** API is a multi-tenant service that enables you to manage carriers and expose shipping methods on your Storefront. With the Shipping Methods API, you can configure shipping methods and associate items to specific shipping methods. When shoppers browse through your e-commerce platform (website or app), they'll see the items with their shipping methods, which gives an estimate of when they can get the item. name: Shipping Methods - description: >- These endpoints perform CRUD operations on items tagged to the shipping methods name: Shipping Method Items externalDocs: description: Find out more about fabric Orders (also called OMS) url: https://developer.fabric.inc/v3/docs/orders-overview paths: /shipping-methods/{shippingMethodId}/items: get: tags: - Shipping Method Items summary: Get item IDs for given shipping method description: >- You may want to determine what items are in a specific shipping method, to calculate shipping costs, verify the eligibility of items for specific shipping methods, or display the list of items to shoppers during the checkout process.

This endpoint is used to get item IDs for a given shipping method.

operationId: getItemIds parameters: - description: >- 24-character ID generated in the response of *Get shipping method* endpoint - `POST /shipping-methods` example: 62fa3796841ea417fa71d2a9 in: path name: shippingMethodId required: true schema: type: string - description: >- Number of records to skip before returning all records. For example, `offset=20, limit=10` returns records 21-30. example: 0 in: query name: offset schema: default: 0 example: 0 format: int32 type: integer - description: Maximum number of records per page example: 10 in: query name: limit schema: default: 10 example: 10 format: int32 maximum: 100 minimum: 1 type: integer - $ref: '#/components/parameters/xFabricTenantId' - $ref: '#/components/parameters/xFabricChannelId' - $ref: '#/components/parameters/xFabricRequestId' responses: '200': content: application/json: schema: $ref: '#/components/schemas/shippingMethodItemIdsResponse' description: OK headers: x-fabric-request-id: $ref: '#/components/headers/xFabricRequestIdResponseHeader' '400': content: application/json: example: errors: - message: Invalid request type: CLIENT_ERROR message: Bad request type: CLIENT_ERROR schema: $ref: '#/components/schemas/errorResponse' description: Bad request headers: x-fabric-request-id: $ref: '#/components/headers/xFabricRequestIdResponseHeader' '401': content: application/json: example: message: Unauthorized request type: CLIENT_ERROR schema: $ref: '#/components/schemas/errorResponse' description: Unauthorized headers: x-fabric-request-id: $ref: '#/components/headers/xFabricRequestIdResponseHeader' '404': content: application/json: example: message: Shipping method not found type: CLIENT_ERROR schema: $ref: '#/components/schemas/errorResponse' description: Shipping method not found headers: x-fabric-request-id: $ref: '#/components/headers/xFabricRequestIdResponseHeader' '500': content: application/json: example: message: Internal server error type: SERVER_ERROR schema: $ref: '#/components/schemas/errorResponse' description: Internal server error headers: x-fabric-request-id: $ref: '#/components/headers/xFabricRequestIdResponseHeader' components: parameters: xFabricTenantId: description: >- A header used by fabric to identify the tenant making the request. You must include tenant id in the authentication header for an API request to access any of fabric’s endpoints. You can retrieve the tenant id , which is also called account id, from [Copilot](/v3/platform/settings/account-details/getting-the-account-id). This header is required. example: 5f328bf0b5f328bf0b5f328b in: header name: x-fabric-tenant-id required: true schema: type: string xFabricChannelId: description: >- x-fabric-channel-id identifies the sales channel where the API request is being made; primarily for multichannel use cases. The channel ids are 12 corresponding to US and 13 corresponding to Canada. The default channel id is 12. This field is required. example: '12' in: header name: x-fabric-channel-id required: true schema: type: string xFabricRequestId: description: Unique request ID example: 263e731c-45c8-11ed-b878-0242ac120002 in: header name: x-fabric-request-id required: false schema: type: string schemas: shippingMethodItemIdsResponse: description: Item IDs associated with a shipping method properties: data: description: Item IDs items: description: Item example: '1233434' type: string type: array pagination: $ref: '#/components/schemas/pagination' type: object errorResponse: description: Error response properties: errors: description: Errors items: $ref: '#/components/schemas/errorResponse' type: array message: description: Error message example: Bad request type: string type: description: Error type example: CLIENT_ERROR type: string type: object pagination: description: Pagination response properties: count: description: Total number of search results example: 1000 format: int32 type: integer limit: default: 10 description: Maximum number of records per page example: 10 format: int32 maximum: 100 minimum: 1 type: integer offset: default: 0 description: >- Number of records to skip before returning all records. For example, `offset=20, limit=10` returns records 21-30. example: 1 format: int32 minimum: 0 type: integer type: object headers: xFabricRequestIdResponseHeader: description: Unique request ID example: 263e731c-45c8-11ed-b878-0242ac120002 required: false schema: type: string securitySchemes: authorization: bearerFormat: JWT scheme: bearer type: http ````