telnyx-oauth-javascript

Telnyx Oauth - JavaScript

Installation

npm install telnyx

Setup

import Telnyx from 'telnyx';

const client = new Telnyx({ apiKey: process.env['TELNYX_API_KEY'], // This is the default and can be omitted });

All examples below assume client is already initialized as shown above.

Error Handling

All API calls can fail with network errors, rate limits (429), validation errors (422), or authentication errors (401). Always handle errors in production code:

try { const result = await client.messages.send({ to: '+13125550001', from: '+13125550002', text: 'Hello' }); } catch (err) { if (err instanceof Telnyx.APIConnectionError) { console.error('Network error — check connectivity and retry'); } else if (err instanceof Telnyx.RateLimitError) { // 429: rate limited — wait and retry with exponential backoff const retryAfter = err.headers?.['retry-after'] || 1; await new Promise(r => setTimeout(r, retryAfter * 1000)); } else if (err instanceof Telnyx.APIError) { console.error(API error ${err.status}: ${err.message}); if (err.status === 422) { console.error('Validation error — check required fields and formats'); } } }

Common error codes: 401 invalid API key, 403 insufficient permissions, 404 resource not found, 422 validation error (check field formats), 429 rate limited (retry with exponential backoff).

Important Notes

Pagination: List methods return an auto-paginating iterator. Use for await (const item of result) { ... } to iterate through all pages automatically.

Authorization server metadata

OAuth 2.0 Authorization Server Metadata (RFC 8414)

GET /.well-known/oauth-authorization-server

const response = await client.wellKnown.retrieveAuthorizationServerMetadata();

console.log(response.authorization_endpoint);

Returns: authorization_endpoint (uri), code_challenge_methods_supported (array[string]), grant_types_supported (array[string]), introspection_endpoint (uri), issuer (uri), jwks_uri (uri), registration_endpoint (uri), response_types_supported (array[string]), scopes_supported (array[string]), token_endpoint (uri), token_endpoint_auth_methods_supported (array[string])

Protected resource metadata

OAuth 2.0 Protected Resource Metadata for resource discovery

GET /.well-known/oauth-protected-resource

const response = await client.wellKnown.retrieveProtectedResourceMetadata();

console.log(response.authorization_servers);

Returns: authorization_servers (array[string]), resource (uri)

OAuth authorization endpoint

OAuth 2.0 authorization endpoint for the authorization code flow

GET /oauth/authorize

await client.oauth.retrieveAuthorize({ client_id: 'client_id', redirect_uri: 'https://example.com', response_type: 'code', });

Get OAuth consent token

Retrieve details about an OAuth consent token

GET /oauth/consent/{consent_token}

const oauth = await client.oauth.retrieve('consent_token');

console.log(oauth.data);

Returns: client_id (string), logo_uri (uri), name (string), policy_uri (uri), redirect_uri (uri), requested_scopes (array[object]), tos_uri (uri), verified (boolean)

Create OAuth grant

Create an OAuth authorization grant

POST /oauth/grants — Required: allowed , consent_token

const response = await client.oauth.grants({ allowed: true, consent_token: 'consent_token' });

console.log(response.redirect_uri);

Returns: redirect_uri (uri)

Token introspection

Introspect an OAuth access token to check its validity and metadata

POST /oauth/introspect — Required: token

const response = await client.oauth.introspect({ token: 'token' });

console.log(response.client_id);

Returns: active (boolean), aud (string), client_id (string), exp (integer), iat (integer), iss (string), scope (string)

JSON Web Key Set

Retrieve the JSON Web Key Set for token verification

GET /oauth/jwks

const response = await client.oauth.retrieveJwks();

console.log(response.keys);

Returns: keys (array[object])

Dynamic client registration

POST /oauth/register

Optional: client_name (string), grant_types (array[string]), logo_uri (uri), policy_uri (uri), redirect_uris (array[string]), response_types (array[string]), scope (string), token_endpoint_auth_method (enum: none, client_secret_basic, client_secret_post), tos_uri (uri)

const response = await client.oauth.register();

console.log(response.client_id);

Returns: client_id (string), client_id_issued_at (integer), client_name (string), client_secret (string), grant_types (array[string]), logo_uri (uri), policy_uri (uri), redirect_uris (array[string]), response_types (array[string]), scope (string), token_endpoint_auth_method (string), tos_uri (uri)

OAuth token endpoint

Exchange authorization code, client credentials, or refresh token for access token

POST /oauth/token — Required: grant_type

Optional: client_id (string), client_secret (string), code (string), code_verifier (string), redirect_uri (uri), refresh_token (string), scope (string)

const response = await client.oauth.token({ grant_type: 'client_credentials' });

console.log(response.access_token);

Returns: access_token (string), expires_in (integer), refresh_token (string), scope (string), token_type (enum: Bearer)

List OAuth clients

Retrieve a paginated list of OAuth clients for the authenticated user

GET /oauth_clients

// Automatically fetches more pages as needed. for await (const oauthClient of client.oauthClients.list()) { console.log(oauthClient.client_id); }

Returns: allowed_grant_types (array[string]), allowed_scopes (array[string]), client_id (string), client_secret (string | null), client_type (enum: public, confidential), created_at (date-time), logo_uri (uri), name (string), org_id (string), policy_uri (uri), record_type (enum: oauth_client), redirect_uris (array[string]), require_pkce (boolean), tos_uri (uri), updated_at (date-time), user_id (string)

Create OAuth client

Create a new OAuth client

POST /oauth_clients — Required: name , allowed_scopes , client_type , allowed_grant_types

Optional: logo_uri (uri), policy_uri (uri), redirect_uris (array[string]), require_pkce (boolean), tos_uri (uri)

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);

Get OAuth client

Retrieve a single OAuth client by ID

GET /oauth_clients/{id}

const oauthClient = await client.oauthClients.retrieve('182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e');

console.log(oauthClient.data);

Update OAuth client

Update an existing OAuth client

PUT /oauth_clients/{id}

Optional: allowed_grant_types (array[string]), allowed_scopes (array[string]), logo_uri (uri), name (string), policy_uri (uri), redirect_uris (array[string]), require_pkce (boolean), tos_uri (uri)

const oauthClient = await client.oauthClients.update('182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e');

console.log(oauthClient.data);

Delete OAuth client

Delete an OAuth client

DELETE /oauth_clients/{id}

await client.oauthClients.delete('182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e');

List OAuth grants

Retrieve a paginated list of OAuth grants for the authenticated user

GET /oauth_grants

// Automatically fetches more pages as needed. for await (const oauthGrant of client.oauthGrants.list()) { console.log(oauthGrant.id); }

Returns: client_id (string), created_at (date-time), id (uuid), last_used_at (date-time), record_type (enum: oauth_grant), scopes (array[string])

Get OAuth grant

Retrieve a single OAuth grant by ID

GET /oauth_grants/{id}

const oauthGrant = await client.oauthGrants.retrieve('182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e');

console.log(oauthGrant.data);

Returns: client_id (string), created_at (date-time), id (uuid), last_used_at (date-time), record_type (enum: oauth_grant), scopes (array[string])

Revoke OAuth grant

Revoke an OAuth grant

DELETE /oauth_grants/{id}

const oauthGrant = await client.oauthGrants.delete('182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e');

console.log(oauthGrant.data);

Returns: client_id (string), created_at (date-time), id (uuid), last_used_at (date-time), record_type (enum: oauth_grant), scopes (array[string])

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