telnyx-messaging-hosted-javascript

<!-- Auto-generated from Telnyx OpenAPI specs. Do not edit. --> # Telnyx Messaging Hosted - JavaScript ## Installation ```bash npm install telnyx ``` ## Setup ```javascript 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: ```javascript 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 expone...