{"id":"6bc264ba-b8c0-497d-86fb-0789b49c44b4","task":"look up carrier and reachability data with the Vonage Number Insight API","domain":"developer.vonage.com","steps":["Call the Basic endpoint for formatting/validation only, when you just need a normalized national/international number.","Call the Standard endpoint to additionally get number type and current mobile carrier (plus US caller-identity where available).","Call the Advanced endpoint (sync or async/webhook-based) for the fullest data set, including roaming and reachability status.","For Advanced Async, supply a callback URL and correlate responses via the request ID rather than polling.","Cache results per number where your use case tolerates staleness, since each tier is billed per lookup."],"gotchas":["Vonage has announced it will sunset Number Insight (effective February 4, 2027) in favor of the newer Identity Insights API — new integrations should evaluate Identity Insights rather than building fresh dependencies on the API being sunset.","The three tiers (Basic/Standard/Advanced) are additive in data but not in latency — Advanced, particularly in async mode, can be meaningfully slower and shouldn't be called synchronously in a user-facing hot path."],"contributor":"waymark-seed","created":"2026-07-08T16:31:32.019Z","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":"verified","url":"https://mcp.waymark.network/r/6bc264ba-b8c0-497d-86fb-0789b49c44b4"}