> ## 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. # Retrieve a document requirement > Retrieve a document requirement record ## OpenAPI ````yaml https://telnyx-openapi-ng.s3.us-east-1.amazonaws.com/numbers-identity/regulatory.yml get /requirements/{id} openapi: 3.1.0 info: title: Telnyx Regulatory Requirements API version: 2.0.0 description: API for Regulatory requirements. contact: email: support@telnyx.com servers: - url: https://api.telnyx.com/v2 security: - bearerAuth: [] paths: /requirements/{id}: get: tags: - Requirements summary: Retrieve a document requirement description: Retrieve a document requirement record operationId: RetrieveDocumentRequirements parameters: - $ref: '#/components/parameters/DocReqsRequirementId' responses: '200': $ref: '#/components/responses/DocReqsRequirementResponse' '422': description: >- Unprocessable entity. Check the 'detail' field in response for details. content: application/json: schema: $ref: '#/components/schemas/documents_Errors' default: $ref: '#/components/responses/documents_GenericErrorResponse' 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 requirement = await client.requirements.retrieve('a9dad8d5-fdbd-49d7-aa23-39bb08a5ebaa'); console.log(requirement.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 ) requirement = client.requirements.retrieve( "a9dad8d5-fdbd-49d7-aa23-39bb08a5ebaa", ) print(requirement.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\trequirement, err := client.Requirements.Get(context.TODO(), \"a9dad8d5-fdbd-49d7-aa23-39bb08a5ebaa\")\n\tif err != nil {\n\t\tpanic(err.Error())\n\t}\n\tfmt.Printf(\"%+v\\n\", requirement.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.requirements.RequirementRetrieveParams; import com.telnyx.sdk.models.requirements.RequirementRetrieveResponse; public final class Main { private Main() {} public static void main(String[] args) { TelnyxClient client = TelnyxOkHttpClient.fromEnv(); RequirementRetrieveResponse requirement = client.requirements().retrieve("a9dad8d5-fdbd-49d7-aa23-39bb08a5ebaa"); } } - lang: Ruby source: >- require "telnyx" telnyx = Telnyx::Client.new(api_key: "My API Key") requirement = telnyx.requirements.retrieve("a9dad8d5-fdbd-49d7-aa23-39bb08a5ebaa") puts(requirement) - lang: CLI source: |- telnyx requirements retrieve \ --api-key 'My API Key' \ --id a9dad8d5-fdbd-49d7-aa23-39bb08a5ebaa components: parameters: DocReqsRequirementId: name: id in: path description: Uniquely identifies the requirement_type record example: a9dad8d5-fdbd-49d7-aa23-39bb08a5ebaa required: true schema: type: string format: uuid responses: DocReqsRequirementResponse: description: Successful response content: application/json: schema: type: object properties: data: $ref: '#/components/schemas/DocReqsRequirement' documents_GenericErrorResponse: description: Unexpected error content: application/json: schema: $ref: '#/components/schemas/documents_Errors' schemas: documents_Errors: properties: errors: type: array items: $ref: '#/components/schemas/documents_Error' type: object DocReqsRequirement: type: object properties: record_type: description: Identifies the type of the resource. type: string readOnly: true example: requirement country_code: description: >- The 2-character (ISO 3166-1 alpha-2) country code where this requirement applies type: string readOnly: false example: FR locality: description: The locality where this requirement applies type: string readOnly: false example: Nice phone_number_type: description: >- Indicates the phone_number_type this requirement applies to. Leave blank if this requirement applies to all number_types. type: string enum: - local - national - toll_free example: local readOnly: false action: description: >- Indicates whether this requirement applies to branded_calling, ordering, porting, or both ordering and porting type: string enum: - both - branded_calling - ordering - porting example: ordering readOnly: false requirements_types: description: Lists the requirement types necessary to fulfill this requirement type: array items: $ref: '#/components/schemas/DocReqsRequirementType' readOnly: true id: description: Identifies the associated document type: string format: uuid readOnly: true example: 6a09cdc3-8948-47f0-aa62-74ac943d6c58 created_at: type: string description: >- ISO 8601 formatted date-time indicating when the resource was created. readOnly: true example: '2021-04-09T22:25:27.521Z' updated_at: type: string description: >- ISO 8601 formatted date-time indicating when the resource was last updated. readOnly: true example: '2021-04-12T20:20:20.020Z' documents_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 DocReqsRequirementType: type: object properties: acceptance_criteria: description: Specifies objective criteria for acceptance type: object properties: time_limit: description: Specifies time-based acceptance criteria example: Current and not expired type: string readOnly: false locality_limit: description: Specifies geography-based acceptance criteria example: Issued by the same country that the phone number belongs to type: string readOnly: false acceptable_values: description: >- Specifies the list of strictly possible values for the requirement. Ignored when empty type: array items: type: string example: US readOnly: false max_length: description: Maximum length allowed for the value type: integer example: 20 readOnly: false min_length: description: Minimum length allowed for the value type: integer example: 16 readOnly: false acceptable_characters: description: Specifies the allowed characters as a string type: string example: abcdef0123456789 readOnly: false description: description: Describes the requirement type example: >- Proves the customer has a physical address in the same locality as the phone number type: string readOnly: false example: description: Provides one or more examples of acceptable documents example: Utility bill, internet bill, phone bill, or lease type: string readOnly: false type: description: Defines the type of this requirement type example: document type: string enum: - document - address - textual readOnly: false name: description: A short descriptive name for this requirement_type example: Proof of Address type: string readOnly: true record_type: description: Identifies the type of the resource example: requirement_type type: string readOnly: true id: description: Identifies the associated document type: string format: uuid readOnly: true example: 6a09cdc3-8948-47f0-aa62-74ac943d6c58 created_at: type: string description: >- ISO 8601 formatted date-time indicating when the resource was created. readOnly: true example: '2021-04-09T22:25:27.521Z' updated_at: type: string description: >- ISO 8601 formatted date-time indicating when the resource was last updated. readOnly: true example: '2021-04-12T20:20:20.020Z' securitySchemes: bearerAuth: scheme: bearer type: http ````