telnyx-messaging-curl
Enables sending and receiving SMS/MMS using Telnyx API with curl for notifications and messaging applications.
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Security score
The telnyx-messaging-curl skill was audited on May 13, 2026 and we found 38 security issues across 2 threat categories. Review the findings below before installing.
Categories Tested
Security Issues
Webhook reference - potential data exfiltration
| 4 | Send and receive SMS/MMS, handle opt-outs and delivery webhooks. Use for |
Webhook reference - potential data exfiltration
| 63 | - Delivery webhooks are asynchronous. Treat the send response as acceptance of the request, not final carrier delivery. |
Webhook reference - potential data exfiltration
| 67 | Do not invent Telnyx parameters, enums, response fields, or webhook fields. |
Webhook reference - potential data exfiltration
| 71 | - Before reading or matching webhook fields beyond the inline examples, read [the webhook payload reference](references/api-details.md#webhook-payload-fields). |
Webhook reference - potential data exfiltration
| 88 | | `webhook_url` | string (URL) | No | The URL where webhooks related to this message will be sent. | |
Webhook reference - potential data exfiltration
| 124 | | `webhook_url` | string (URL) | No | Callback URL for delivery status updates. | |
Webhook reference - potential data exfiltration
| 125 | | `webhook_failover_url` | string (URL) | No | Failover callback URL for delivery status updates. | |
Webhook reference - potential data exfiltration
| 126 | | `use_profile_webhooks` | boolean | No | If true, use the messaging profile's webhook settings. | |
Webhook reference - potential data exfiltration
| 152 | ### Webhook Verification |
Webhook reference - potential data exfiltration
| 154 | Telnyx signs webhooks with Ed25519. Each request includes `telnyx-signature-ed25519` |
Webhook reference - potential data exfiltration
| 158 | # Telnyx signs webhooks with Ed25519 (asymmetric — NOT HMAC/Standard Webhooks). |
Webhook reference - potential data exfiltration
| 159 | # Headers sent with each webhook: |
Webhook reference - potential data exfiltration
| 164 | # Use the Telnyx SDK in your language for verification (client.webhooks.unwrap). |
Webhook reference - potential data exfiltration
| 169 | ## Webhooks |
Webhook reference - potential data exfiltration
| 171 | These webhook payload fields are inline because they are part of the primary integration path. |
Webhook reference - potential data exfiltration
| 199 | If you need webhook fields that are not listed inline here, read [the webhook payload reference](references/api-details.md#webhook-payload-fields) before writing the handler. |
Webhook reference - potential data exfiltration
| 218 | | `webhook_url` | string (URL) | No | The URL where webhooks related to this message will be sent. | |
Webhook reference - potential data exfiltration
| 219 | | `webhook_failover_url` | string (URL) | No | The failover URL where webhooks related to this message will... | |
Webhook reference - potential data exfiltration
| 256 | | `webhook_url` | string (URL) | No | The URL where webhooks related to this message will be sent. | |
Webhook reference - potential data exfiltration
| 257 | | `webhook_failover_url` | string (URL) | No | The failover URL where webhooks related to this message will... | |
Webhook reference - potential data exfiltration
| 292 | | `webhook_url` | string (URL) | No | The URL where webhooks related to this message will be sent. | |
Webhook reference - potential data exfiltration
| 293 | | `webhook_failover_url` | string (URL) | No | The failover URL where webhooks related to this message will... | |
Webhook reference - potential data exfiltration
| 328 | | `webhook_url` | string (URL) | No | The URL where webhooks related to this message will be sent. | |
Webhook reference - potential data exfiltration
| 329 | | `webhook_failover_url` | string (URL) | No | The failover URL where webhooks related to this message will... | |
Webhook reference - potential data exfiltration
| 364 | | `webhook_url` | string (URL) | No | The URL where webhooks related to this message will be sent. | |
Webhook reference - potential data exfiltration
| 401 | | `webhook_url` | string (URL) | No | The URL where webhooks related to this message will be sent. | |
Webhook reference - potential data exfiltration
| 428 | Use the core tasks above first. The operations below are indexed here with exact SDK methods and required params; use [references/api-details.md](references/api-details.md) for full optional params, r |
Webhook reference - potential data exfiltration
| 454 | ### Other Webhook Events |
Webhook reference - potential data exfiltration
| 462 | For exhaustive optional parameters, full response schemas, and complete webhook payloads, see [references/api-details.md](references/api-details.md). |
External URL reference
| 47 | "https://api.telnyx.com/v2/messages" |
External URL reference
| 101 | "https://api.telnyx.com/v2/messages" |
External URL reference
| 139 | "https://api.telnyx.com/v2/messages/alphanumeric_sender_id" |
External URL reference
| 234 | "https://api.telnyx.com/v2/messages/group_mms" |
External URL reference
| 270 | "https://api.telnyx.com/v2/messages/long_code" |
External URL reference
| 306 | "https://api.telnyx.com/v2/messages/number_pool" |
External URL reference
| 342 | "https://api.telnyx.com/v2/messages/short_code" |
External URL reference
| 378 | "https://api.telnyx.com/v2/messages/schedule" |
External URL reference
| 413 | "https://api.telnyx.com/v2/messages/whatsapp" |