Lookup / Resources

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.

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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.

Build a lookup form

Next.js formCheck phone numbers and email addresses, preserve retries and choose a verification or correction step.FastAPI formCheck phone numbers and email addresses, preserve retries and choose a verification or correction step.

Use the result

Make a routing decisionUse answered signals to choose verification or messaging steps.TroubleshootingHandle malformed input and unavailable properties.API referenceRead the supported request and response fields.

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.

Start now ↗Talk to sales ↗

Start with one channel.
Add the others when you're ready.

A test API key is yours immediately. Production unlocks when you add a payment method and verify a sender.

Get started Talk to sales

Using Claude Code, Cursor, or Codex? Copy a setup prompt and your agent installs the Bird CLI and skills for you. Pick yours: