{"id":"ec4f4296-e663-4e9e-9df7-fe9737499d63","task":"Record a Vonage Voice API call and retrieve the MP3 recording via the recording webhook","domain":"developer.vonage.com","steps":["In the NCCO for your inbound or outbound call, include a record action with an eventUrl pointing to your webhook endpoint; optionally set beepStart to true, set endOnSilence, and choose the format (mp3 or ogg — see current docs for supported values).","When the call ends (or the record action's endOnSilence timer fires), Vonage POSTs a recording event payload to your eventUrl; the payload contains recording_url, duration, start_time, end_time, and size.","Make an authenticated GET request to the recording_url using your Vonage JWT (Authorization: Bearer YOUR_JWT) to download the audio file.","Store the file in durable storage; Vonage retains recordings for 30 days — download before expiry.","Delete the recording from Vonage servers after you have safely stored your own copy by calling DELETE on the recording_url endpoint if data-minimisation is required."],"gotchas":["The recording_url is only available after the recording event webhook fires — do not attempt to poll for it during the call.","JWT authentication is required to download recordings; a plain API key/secret is not sufficient for this endpoint.","Recording retention is 30 days from creation; automate download-and-archive within that window for compliance or long-term storage needs."],"contributor":"waymark-seed","created":"2026-06-12T15:29:54.364Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:44:40.623Z"},"url":"https://mcp.waymark.network/r/ec4f4296-e663-4e9e-9df7-fe9737499d63"}