> ## Documentation Index > Fetch the complete documentation index at: https://developers.telnyx.com/llms.txt > Use this file to discover all available pages before exploring further. # List all billing groups ## OpenAPI ````yaml https://telnyx-openapi-ng.s3.us-east-1.amazonaws.com/account-billing/billing-groups.yml get /billing_groups openapi: 3.1.0 info: title: Telnyx Billing Groups API version: 2.0.0 description: API for Billing groups. contact: email: support@telnyx.com servers: - url: https://api.telnyx.com/v2 security: - bearerAuth: [] paths: /billing_groups: get: tags: - Billing Groups summary: List all billing groups operationId: ListBillingGroups parameters: - name: page in: query style: deepObject explode: true description: >- Consolidated page parameter (deepObject style). Originally: page[number], page[size] schema: type: object properties: number: type: integer minimum: 1 default: 1 description: The page number to load size: type: integer minimum: 1 maximum: 250 default: 20 description: The size of the page responses: '200': description: A paginated array of billing groups content: application/json: schema: type: object properties: data: type: array items: $ref: '#/components/schemas/BillingGroup' meta: $ref: '#/components/schemas/PaginationMeta' headers: {} '400': $ref: '#/components/responses/BadRequestErrorResponse' default: $ref: '#/components/responses/GenericErrorResponse' deprecated: false x-codeSamples: - lang: JavaScript source: |- import Telnyx from 'telnyx'; const client = new Telnyx({ apiKey: process.env['TELNYX_API_KEY'], // This is the default and can be omitted }); // Automatically fetches more pages as needed. for await (const billingGroup of client.billingGroups.list()) { console.log(billingGroup.id); } - lang: Python source: |- import os from telnyx import Telnyx client = Telnyx( api_key=os.environ.get("TELNYX_API_KEY"), # This is the default and can be omitted ) page = client.billing_groups.list() page = page.data[0] print(page.id) - lang: Go source: "package main\n\nimport (\n\t\"context\"\n\t\"fmt\"\n\n\t\"github.com/team-telnyx/telnyx-go\"\n\t\"github.com/team-telnyx/telnyx-go/option\"\n)\n\nfunc main() {\n\tclient := telnyx.NewClient(\n\t\toption.WithAPIKey(\"My API Key\"),\n\t)\n\tpage, err := client.BillingGroups.List(context.TODO(), telnyx.BillingGroupListParams{})\n\tif err != nil {\n\t\tpanic(err.Error())\n\t}\n\tfmt.Printf(\"%+v\\n\", page)\n}\n" - lang: Java source: |- package com.telnyx.sdk.example; import com.telnyx.sdk.client.TelnyxClient; import com.telnyx.sdk.client.okhttp.TelnyxOkHttpClient; import com.telnyx.sdk.models.billinggroups.BillingGroupListPage; import com.telnyx.sdk.models.billinggroups.BillingGroupListParams; public final class Main { private Main() {} public static void main(String[] args) { TelnyxClient client = TelnyxOkHttpClient.fromEnv(); BillingGroupListPage page = client.billingGroups().list(); } } - lang: Ruby source: |- require "telnyx" telnyx = Telnyx::Client.new(api_key: "My API Key") page = telnyx.billing_groups.list puts(page) - lang: CLI source: |- telnyx billing-groups list \ --api-key 'My API Key' components: schemas: BillingGroup: type: object properties: record_type: type: string enum: - billing_group description: Identifies the type of the resource. example: billing_group id: type: string format: uuid description: Identifies the type of resource. example: f5586561-8ff0-4291-a0ac-84fe544797bd organization_id: type: string format: uuid description: Identifies the organization that owns the resource. example: f1486bae-f067-460c-ad43-73a92848f902 name: type: string description: A user-specified name for the billing group example: My billing group name created_at: type: string format: date-time description: ISO 8601 formatted date indicating when the resource was created. example: '2019-10-15T10:07:15.527Z' updated_at: type: string format: date-time description: ISO 8601 formatted date indicating when the resource was updated. example: '2019-10-15T10:07:15.527Z' deleted_at: type: - string - 'null' format: date-time description: ISO 8601 formatted date indicating when the resource was removed. example: null example: record_type: billing_group id: f5586561-8ff0-4291-a0ac-84fe544797bd organization_id: f1486bae-f067-460c-ad43-73a92848f902 name: My billing group name created_at: '2019-10-15T10:07:15.527Z' updated_at: '2019-10-15T10:07:15.527Z' deleted_at: null PaginationMeta: type: object properties: total_pages: type: integer example: 3 total_results: type: integer example: 55 page_number: type: integer example: 2 page_size: type: integer example: 25 invoice_Errors: properties: errors: type: array items: $ref: '#/components/schemas/invoice_Error' type: object billing_Errors: properties: errors: type: array items: $ref: '#/components/schemas/billing_Error' type: object invoice_Error: required: - code - title properties: code: type: string title: type: string detail: type: string source: type: object properties: pointer: description: JSON pointer (RFC6901) to the offending entity. type: string parameter: description: Indicates which query parameter caused the error. type: string meta: type: object additionalProperties: true type: object billing_Error: required: - code - title properties: code: type: string title: type: string detail: type: string source: type: object properties: pointer: description: JSON pointer (RFC6901) to the offending entity. type: string parameter: description: Indicates which query parameter caused the error. type: string meta: type: object additionalProperties: true type: object responses: BadRequestErrorResponse: description: Invalid request parameters content: application/json: schema: $ref: '#/components/schemas/invoice_Errors' GenericErrorResponse: description: Unexpected error content: application/json: schema: $ref: '#/components/schemas/billing_Errors' securitySchemes: bearerAuth: scheme: bearer type: http ````