> ## 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. # Update an FQDN > Update the details of a specific FQDN. ## OpenAPI ````yaml https://telnyx-openapi-ng.s3.us-east-1.amazonaws.com/real-time-communications/sip-connections.yml patch /fqdns/{id} 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/{id}: patch: tags: - FQDNs summary: Update an FQDN description: Update the details of a specific FQDN. operationId: UpdateFqdn parameters: - $ref: '#/components/parameters/FqdnId' requestBody: content: application/json: schema: $ref: '#/components/schemas/UpdateFqdnRequest' responses: '200': $ref: '#/components/responses/FqdnResponse' '401': $ref: '#/components/responses/UnauthenticatedResponse' '403': $ref: '#/components/responses/connections_UnauthorizedResponse' '404': $ref: '#/components/responses/connections_NotFoundResponse' '422': $ref: '#/components/responses/connections_UnprocessableEntityResponse' 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 }); const fqdn = await client.fqdns.update('1517907029795014409'); console.log(fqdn.data); - 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 ) fqdn = client.fqdns.update( id="1517907029795014409", ) print(fqdn.data) - 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\tfqdn, err := client.Fqdns.Update(\n\t\tcontext.TODO(),\n\t\t\"1517907029795014409\",\n\t\ttelnyx.FqdnUpdateParams{},\n\t)\n\tif err != nil {\n\t\tpanic(err.Error())\n\t}\n\tfmt.Printf(\"%+v\\n\", fqdn.Data)\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.FqdnUpdateParams; import com.telnyx.sdk.models.fqdns.FqdnUpdateResponse; public final class Main { private Main() {} public static void main(String[] args) { TelnyxClient client = TelnyxOkHttpClient.fromEnv(); FqdnUpdateResponse fqdn = client.fqdns().update("1517907029795014409"); } } - lang: Ruby source: |- require "telnyx" telnyx = Telnyx::Client.new(api_key: "My API Key") fqdn = telnyx.fqdns.update("1517907029795014409") puts(fqdn) - lang: CLI source: |- telnyx fqdns update \ --api-key 'My API Key' \ --id 1517907029795014409 components: parameters: FqdnId: name: id description: Identifies the resource. in: path required: true schema: type: string example: '1517907029795014409' x-format: int64 schemas: UpdateFqdnRequest: title: Update FQDN Request type: object properties: connection_id: type: string description: ID of the FQDN connection to which this IP should be attached. fqdn: type: string description: FQDN represented by this resource. example: example.com port: type: - integer - 'null' 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 example: connection_id: '1516447646313612565' fqdn: example.com port: 8080 dns_record_type: a 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' 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 responses: FqdnResponse: description: Successful response with details about an FQDN connection. content: application/json: schema: type: object title: FQDN Response properties: data: $ref: '#/components/schemas/Fqdn' 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 connections_UnauthorizedResponse: description: >- The user doesn't have the required permissions to perform the requested action. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' examples: notAuthorized: value: errors: - code: '10010' title: Not authorized detail: You are not authorized to access the requested resource. meta: url: https://developers.telnyx.com/docs/overview/errors/10010 source: pointer: / connections_NotFoundResponse: description: The requested resource doesn't exist. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' examples: notFound: value: errors: - code: '10005' title: Resource not found detail: The requested resource or URL could not be found. meta: url: https://developers.telnyx.com/docs/overview/errors/10005 source: pointer: / connections_UnprocessableEntityResponse: description: >- The request was well-formed but was unable to be followed due to semantic errors. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' examples: unprocessableEntity: value: errors: - code: '10015' title: Bad Request detail: >- Invalid dnis_format: test, was provided. Acceptable formats are +e164, e164, national, sip_username meta: url: https://developers.telnyx.com/docs/overview/errors/10015 source: pointer: /inbound/dnis_number_format securitySchemes: bearerAuth: scheme: bearer type: http ````