> ## 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. # Create OAuth client > Create a new OAuth client ## OpenAPI ````yaml https://telnyx-openapi-ng.s3.us-east-1.amazonaws.com/oauth.yml post /oauth/clients openapi: 3.1.0 info: title: Telnyx OAuth API version: 2.0.0 description: API for OAuth. contact: email: support@telnyx.com servers: - url: https://api.telnyx.com/v2 security: - bearerAuth: [] paths: /oauth/clients: post: tags: - OAuth Clients summary: Create OAuth client description: Create a new OAuth client operationId: CreateOAuthClient requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/OAuthClientCreateRequest' responses: '201': description: OAuth client created successfully content: application/json: schema: type: object properties: data: $ref: '#/components/schemas/OAuthClient' '400': description: Invalid request content: application/json: schema: $ref: '#/components/schemas/oauth_Error' '401': description: Unauthorized content: application/json: schema: $ref: '#/components/schemas/oauth_Error' '422': description: Validation error content: application/json: schema: $ref: '#/components/schemas/oauth_Error' security: - bearerAuth: [] 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 oauthClient = await client.oauthClients.create({ allowed_grant_types: ['client_credentials'], allowed_scopes: ['admin'], client_type: 'public', name: 'My OAuth client', }); console.log(oauthClient.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 ) oauth_client = client.oauth_clients.create( allowed_grant_types=["client_credentials"], allowed_scopes=["admin"], client_type="public", name="My OAuth client", ) print(oauth_client.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\toauthClient, err := client.OAuthClients.New(context.TODO(), telnyx.OAuthClientNewParams{\n\t\tAllowedGrantTypes: []string{\"client_credentials\"},\n\t\tAllowedScopes: []string{\"admin\"},\n\t\tClientType: telnyx.OAuthClientNewParamsClientTypePublic,\n\t\tName: \"My OAuth client\",\n\t})\n\tif err != nil {\n\t\tpanic(err.Error())\n\t}\n\tfmt.Printf(\"%+v\\n\", oauthClient.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.oauthclients.OAuthClientCreateParams; import com.telnyx.sdk.models.oauthclients.OAuthClientCreateResponse; public final class Main { private Main() {} public static void main(String[] args) { TelnyxClient client = TelnyxOkHttpClient.fromEnv(); OAuthClientCreateParams params = OAuthClientCreateParams.builder() .addAllowedGrantType(OAuthClientCreateParams.AllowedGrantType.CLIENT_CREDENTIALS) .addAllowedScope("admin") .clientType(OAuthClientCreateParams.ClientType.PUBLIC) .name("My OAuth client") .build(); OAuthClientCreateResponse oauthClient = client.oauthClients().create(params); } } - lang: Ruby source: |- require "telnyx" telnyx = Telnyx::Client.new(api_key: "My API Key") oauth_client = telnyx.oauth_clients.create( allowed_grant_types: [:client_credentials], allowed_scopes: ["admin"], client_type: :public, name: "My OAuth client" ) puts(oauth_client) - lang: CLI source: |- telnyx oauth-clients create \ --api-key 'My API Key' \ --allowed-grant-type client_credentials \ --allowed-scope admin \ --client-type public \ --name 'My OAuth client' components: schemas: OAuthClientCreateRequest: type: object properties: name: type: string description: The name of the OAuth client example: My OAuth client allowed_scopes: type: array items: type: string description: List of allowed OAuth scopes example: - admin client_type: type: string enum: - public - confidential description: OAuth client type require_pkce: type: boolean description: >- Whether PKCE (Proof Key for Code Exchange) is required for this client default: false allowed_grant_types: type: array items: type: string enum: - client_credentials - authorization_code - refresh_token description: List of allowed OAuth grant types redirect_uris: type: array items: type: string format: uri description: List of redirect URIs (required for authorization_code flow) default: [] logo_uri: type: string format: uri description: URL of the client logo policy_uri: type: string format: uri description: URL of the client's privacy policy tos_uri: type: string format: uri description: URL of the client's terms of service required: - name - allowed_scopes - client_type - allowed_grant_types additionalProperties: false OAuthClient: type: object properties: record_type: type: string enum: - oauth_client description: Record type identifier client_id: type: string description: OAuth client identifier name: type: string description: Human-readable name for the OAuth client org_id: type: string description: Organization ID that owns this OAuth client user_id: type: string description: User ID that created this OAuth client allowed_scopes: type: array items: type: string description: List of allowed OAuth scopes client_type: type: string enum: - public - confidential description: OAuth client type require_pkce: type: boolean description: >- Whether PKCE (Proof Key for Code Exchange) is required for this client allowed_grant_types: type: array items: type: string enum: - client_credentials - authorization_code - refresh_token description: List of allowed OAuth grant types redirect_uris: type: array items: type: string format: uri description: List of allowed redirect URIs logo_uri: type: - string - 'null' format: uri description: URL of the client logo tos_uri: type: - string - 'null' format: uri description: URL of the client's terms of service policy_uri: type: - string - 'null' format: uri description: URL of the client's privacy policy client_secret: type: - string - 'null' description: >- Client secret (only included when available, for confidential clients) created_at: type: string format: date-time description: Timestamp when the client was created updated_at: type: string format: date-time description: Timestamp when the client was last updated required: - record_type - client_id - name - org_id - user_id - client_type - require_pkce - created_at - updated_at oauth_Error: type: object properties: error: type: string description: Error code error_description: type: string description: Human-readable error description required: - error securitySchemes: bearerAuth: scheme: bearer type: http ````