{"entry":{"slug":"telnyx-messaging-api","name":"Telnyx Messaging","category":"api","summary":"Carrier-grade SMS/MMS over a REST API with number provisioning included.","description":"","auth_mode":"Bearer API key","endpoint":"https://api.telnyx.com/v2/messages","docs_url":"https://developers.telnyx.com/api/messaging/send-message","tags":["sms","messaging"],"capabilities":["send sms","send text message","messaging"],"auth_params":[{"name":"Authorization","location":"header","required":true}],"input_format":"application/json","output_format":"application/json","rate_limit":"Account dependent","pricing":"Per message","invocation_example":"","verified":false,"verified_at":null,"featured":false,"checks_total":59,"checks_ok":59,"avg_latency_ms":105,"reports_count":0,"health_ok":true,"health_status_code":404,"health_checked_at":"2026-11-06T15:17:03.757+00:00","health_latency_ms":108,"probe_url":null},"watch":{"hint":"Follow \"telnyx-messaging-api\": get alerted when it goes down, comes back, or changes shape. Free, 3 tools per key. Email follows are confirmed by a one-click email before alerts start.","how":"POST https://agentnexus.app/api/public/watch with {\"slug\":\"telnyx-messaging-api\"} and your x-api-key (the key's email gets the alerts), or add \"email\" / \"webhook_url\". Email follows must be confirmed from the inbox before alerts start."}}