Know what the answer means.
Check a phone number or email address, interpret the result, and use it in your application. Find examples, signal explanations and migration guides.
Make your first lookup
TypeScript quickstartRun a lookup and inspect the returned properties.Python quickstartRead a phone-number result with the Python SDK.Phone-number guideUnderstand base data and optional properties.Email-address guideInterpret the email verdict and delivery confidence.Phone lookup with the CLIChoose the requested properties and inspect each returned signal and its limits.CLI and MCP setupConnect your coding agent, discover lookup operations and prepare a phone or email check.
Evaluate and migrate
Migration guidesMap Twilio Lookup or Vonage Number Insight to Bird.Migrate from Twilio LookupMap line types, SIM-swap observations and risk decisions without losing unknown results.Migrate from Vonage Number InsightMap carrier fields and move asynchronous lookup tasks into your application.Lookup pricingReview base and optional-property charges.Lookup FAQsFind answers before adding Lookup to your workflow.Compare providersEvaluate the integration model, customer journey and work involved in switching.
Build with Lookup.
Start with a working example, or talk to our team about your integration and migration.