> ## 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. # Preview the LOA configuration parameters > Preview the LOA template that would be generated without need to create LOA configuration. ## OpenAPI ````yaml https://telnyx-openapi-ng.s3.us-east-1.amazonaws.com/numbers-identity/porting-documents.yml post /porting/loa_configurations/preview openapi: 3.1.0 info: title: Telnyx Porting Documents API version: 2.0.0 description: API for LOA configurations, templates, and additional documents. contact: email: support@telnyx.com servers: - url: https://api.telnyx.com/v2 security: - bearerAuth: [] paths: /porting/loa_configurations/preview: post: tags: - Porting Orders summary: Preview the LOA configuration parameters description: >- Preview the LOA template that would be generated without need to create LOA configuration. operationId: PreviewLoaConfigurationParams requestBody: $ref: '#/components/requestBodies/CreatePortingLOAConfiguration' responses: '200': $ref: '#/components/responses/DownloadLOATemplate' '422': description: Unprocessable entity. Check message field in response for details. '500': description: Internal server error 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 response = await client.porting.loaConfigurations.preview({ address: { city: 'Austin', country_code: 'US', state: 'TX', street_address: '600 Congress Avenue', zip_code: '78701', }, company_name: 'Telnyx', contact: { email: 'testing@telnyx.com', phone_number: '+12003270001' }, logo: { document_id: '182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e' }, name: 'My LOA Configuration', }); console.log(response); const content = await response.blob(); console.log(content); - 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 ) response = client.porting.loa_configurations.preview( address={ "city": "Austin", "country_code": "US", "state": "TX", "street_address": "600 Congress Avenue", "zip_code": "78701", }, company_name="Telnyx", contact={ "email": "testing@telnyx.com", "phone_number": "+12003270001", }, logo={ "document_id": "182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e" }, name="My LOA Configuration", ) print(response) content = response.read() print(content) - 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\tresponse, err := client.Porting.LoaConfigurations.Preview(context.TODO(), telnyx.PortingLoaConfigurationPreviewParams{\n\t\tAddress: telnyx.PortingLoaConfigurationPreviewParamsAddress{\n\t\t\tCity: \"Austin\",\n\t\t\tCountryCode: \"US\",\n\t\t\tState: \"TX\",\n\t\t\tStreetAddress: \"600 Congress Avenue\",\n\t\t\tZipCode: \"78701\",\n\t\t},\n\t\tCompanyName: \"Telnyx\",\n\t\tContact: telnyx.PortingLoaConfigurationPreviewParamsContact{\n\t\t\tEmail: \"testing@telnyx.com\",\n\t\t\tPhoneNumber: \"+12003270001\",\n\t\t},\n\t\tLogo: telnyx.PortingLoaConfigurationPreviewParamsLogo{\n\t\t\tDocumentID: \"182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e\",\n\t\t},\n\t\tName: \"My LOA Configuration\",\n\t})\n\tif err != nil {\n\t\tpanic(err.Error())\n\t}\n\tfmt.Printf(\"%+v\\n\", response)\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.core.http.HttpResponse; import com.telnyx.sdk.models.porting.loaconfigurations.LoaConfigurationPreviewParams; public final class Main { private Main() {} public static void main(String[] args) { TelnyxClient client = TelnyxOkHttpClient.fromEnv(); LoaConfigurationPreviewParams params = LoaConfigurationPreviewParams.builder() .address(LoaConfigurationPreviewParams.Address.builder() .city("Austin") .countryCode("US") .state("TX") .streetAddress("600 Congress Avenue") .zipCode("78701") .build()) .companyName("Telnyx") .contact(LoaConfigurationPreviewParams.Contact.builder() .email("testing@telnyx.com") .phoneNumber("+12003270001") .build()) .logo(LoaConfigurationPreviewParams.Logo.builder() .documentId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e") .build()) .name("My LOA Configuration") .build(); HttpResponse response = client.porting().loaConfigurations().preview(params); } } - lang: Ruby source: |- require "telnyx" telnyx = Telnyx::Client.new(api_key: "My API Key") response = telnyx.porting.loa_configurations.preview( address: {city: "Austin", country_code: "US", state: "TX", street_address: "600 Congress Avenue", zip_code: "78701"}, company_name: "Telnyx", contact: {email: "testing@telnyx.com", phone_number: "+12003270001"}, logo: {document_id: "182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e"}, name: "My LOA Configuration" ) puts(response) - lang: PHP source: >- porting->loaConfigurations->preview( address: [ 'city' => 'Austin', 'countryCode' => 'US', 'state' => 'TX', 'streetAddress' => '600 Congress Avenue', 'zipCode' => '78701', 'extendedAddress' => '14th Floor', ], companyName: 'Telnyx', contact: ['email' => 'testing@telnyx.com', 'phoneNumber' => '+12003270001'], logo: ['documentID' => '182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e'], name: 'My LOA Configuration', ); var_dump($response); } catch (APIException $e) { echo $e->getMessage(); } - lang: CLI source: |- telnyx porting:loa-configurations preview \ --api-key 'My API Key' \ --address "{city: Austin, country_code: US, state: TX, street_address: 600 Congress Avenue, zip_code: '78701'}" \ --company-name Telnyx \ --contact "{email: testing@telnyx.com, phone_number: '+12003270001'}" \ --logo '{document_id: 182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e}' \ --name 'My LOA Configuration' components: requestBodies: CreatePortingLOAConfiguration: required: true content: application/json: schema: type: object description: The parameters for creating a new LOA configuration. required: - name - logo - company_name - address - contact properties: name: type: string description: The name of the LOA configuration example: My LOA Configuration logo: type: object description: The logo of the LOA configuration required: - document_id properties: document_id: type: string description: The document identification format: uuid company_name: type: string description: The name of the company example: Telnyx address: type: object description: The address of the company. required: - street_address - city - state - zip_code - country_code properties: street_address: type: string description: The street address of the company example: 600 Congress Avenue extended_address: type: string description: The extended address of the company example: 14th Floor city: type: string description: The locality of the company example: Austin state: type: string description: The administrative area of the company example: TX pattern: ^[A-Z]{2}$ zip_code: type: string description: The postal code of the company example: '78701' pattern: ^[0-9]{5}(?:-[0-9]{4})?$ country_code: type: string description: The country code of the company example: US pattern: ^[A-Z]{2}$ contact: type: object description: The contact information of the company. required: - email - phone_number properties: email: type: string description: The email address of the contact example: testing@telnyx.com phone_number: type: string description: The phone number of the contact example: '+12003270001' pattern: ^\+\d{11,15}$ responses: DownloadLOATemplate: description: Successful response content: application/pdf: schema: type: string format: binary example: '%PDF-1.4...' securitySchemes: bearerAuth: scheme: bearer type: http ````