> ## 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 FQDNs > Get all FQDNs belonging to the user that match the given filters. ## OpenAPI ````yaml https://telnyx-openapi-ng.s3.us-east-1.amazonaws.com/real-time-communications/sip-connections.yml get /fqdns openapi: 3.1.0 info: title: Telnyx SIP Connections API version: 2.0.0 description: API for SIP connections. contact: email: support@telnyx.com servers: - url: https://api.telnyx.com/v2 security: - bearerAuth: [] paths: /fqdns: get: tags: - FQDNs summary: List FQDNs description: Get all FQDNs belonging to the user that match the given filters. operationId: ListFqdns parameters: - $ref: '#/components/parameters/connections_PageConsolidated' - name: filter in: query style: deepObject explode: true description: >- Consolidated filter parameter (deepObject style). Originally: filter[connection_id], filter[fqdn], filter[port], filter[dns_record_type] schema: type: object properties: connection_id: type: string description: ID of the FQDN connection to which the FQDN belongs. fqdn: type: string example: example.com description: FQDN represented by the resource. port: type: integer example: 5060 description: Port to use when connecting to the FQDN. dns_record_type: type: string example: a description: DNS record type used by the FQDN. responses: '200': $ref: '#/components/responses/ListFqdnsResponse' '400': $ref: '#/components/responses/connections_BadRequestResponse' '401': $ref: '#/components/responses/UnauthenticatedResponse' 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 fqdn of client.fqdns.list()) { console.log(fqdn.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.fqdns.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.Fqdns.List(context.TODO(), telnyx.FqdnListParams{})\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.fqdns.FqdnListPage; import com.telnyx.sdk.models.fqdns.FqdnListParams; public final class Main { private Main() {} public static void main(String[] args) { TelnyxClient client = TelnyxOkHttpClient.fromEnv(); FqdnListPage page = client.fqdns().list(); } } - lang: Ruby source: |- require "telnyx" telnyx = Telnyx::Client.new(api_key: "My API Key") page = telnyx.fqdns.list puts(page) - lang: CLI source: |- telnyx fqdns list \ --api-key 'My API Key' components: parameters: connections_PageConsolidated: name: page in: query style: deepObject explode: true description: >- Consolidated page parameter (deepObject style). Originally: page[size], page[number] schema: type: object properties: size: type: integer minimum: 1 maximum: 250 default: 250 description: The size of the page number: type: integer minimum: 1 default: 1 description: The page number to load responses: ListFqdnsResponse: description: Successful response with a list of FQDN connections. content: application/json: schema: type: object title: List FQDNs Response properties: data: type: array items: $ref: '#/components/schemas/Fqdn' meta: $ref: '#/components/schemas/connections_PaginationMeta' connections_BadRequestResponse: description: >- Bad request, the request was unacceptable, often due to missing a required parameter. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' examples: missingParameter: value: errors: - code: '10015' title: Bad Request detail: The request failed because it was not well-formed. source: pointer: / meta: url: https://developers.telnyx.com/docs/overview/errors/10015 UnauthenticatedResponse: description: Unauthorized content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' examples: Authentication Failed: value: errors: - code: '10009' title: Authentication failed detail: Could not understand the provided credentials. meta: url: https://developers.telnyx.com/docs/overview/errors/10009 schemas: Fqdn: type: object title: Fqdn properties: id: type: string description: Identifies the resource. example: '1293384261075731499' x-format: int64 record_type: type: string description: Identifies the type of the resource. example: fqdn connection_id: type: string description: ID of the FQDN connection to which this FQDN is attached. fqdn: type: string description: FQDN represented by this resource. example: example.com port: type: integer description: Port to use when connecting to this FQDN. default: 5060 example: 5060 dns_record_type: type: string description: >- The DNS record type for the FQDN. For cases where a port is not set, the DNS record type must be 'srv'. For cases where a port is set, the DNS record type must be 'a'. If the DNS record type is 'a' and a port is not specified, 5060 will be used. example: a created_at: type: string description: ISO 8601 formatted date indicating when the resource was created. example: '2018-02-02T22:25:27.521Z' updated_at: type: string description: ISO 8601 formatted date indicating when the resource was updated. example: '2018-02-02T22:25:27.521Z' example: id: '1293384261075731499' record_type: fqdn connection_id: '1516447646313612565' fqdn: example.com port: 5060 dns_record_type: a created_at: '2018-02-02T22:25:27.521Z' updated_at: '2018-02-02T22:25:27.521Z' connections_PaginationMeta: title: Pagination Meta 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 ErrorResponse: type: object properties: errors: type: array items: type: object properties: code: type: string detail: type: string meta: type: object properties: url: type: string format: uri title: type: string source: type: object properties: pointer: type: string securitySchemes: bearerAuth: scheme: bearer type: http ````