Lookup
for developers

Better details. Better connections.
Check email addresses and phone numbers before you reach out.

Trusted every day by teams that
build world-class software.

Check the details. Make the connection.

Read email and phone details before your next step.
Use the same workflow from your agent, terminal or application.

YouLookup

Look up +441904123456. Tell me its country, network and line type, and check its classification and credibility.

Bird MCP1 connected action
  1. 1Read the number and requested propertieslookup_phone_number

Catch the typo.
Keep the customer.

Check an address while the customer is still with you. Turn the answer into a useful next step.

Email Lookup200 OK
POST /v1/lookup/emailaisha@gmial.com
  1. Match the requestOriginal address preserved
    Matched
  2. Read the verdictresult: "typo"
    Answered
  3. Choose the next stepAsk before changing the address
    Ready
Delivery confidence24 / 100

Read alongside the verdict, not instead of it.

did_you_meanaisha@gmail.com
Inspect another result
Illustrative product records. These controls change the example only; no request or purchase is made.

A number tells you more.
Know what to do with it.

Add network signals to the base number record. Know how to contact or verify the customer next.

Phone intelligenceExample lookup / Signup 1048
NL
PHONE NUMBER

+31 6 1234 5678

Mobile · Netherlands
Serving network
Vodafone
Issuing network
KPN
Base flag
ported
KPNVodafoneThe serving network differs
from the issuing network.
Returned propertiesOne response, inspected by property
PortingokMove recorded · 3 Feb 2026
PresenceunavailableNo value returned
SIM swapinconclusiveNo value returned
Scoreok82 / 100
Presence result

Keep moving with the facts you have

Country, network and porting are answered. Presence is unknown; do not turn that missing signal into a negative result.

Next: apply your verification policy
Illustrative product records. These controls change the example only; no request or purchase is made.

Explore Lookup.

From address quality to network details. Choose the signals your application needs.

Scale without
losing control.

Organize teams in workspaces, control API access, and trace changes through audit logs.

BirdHarborOrganization
WorkspacesProductionSandbox

Delivery agent

API key · Customer operations team
Active
PermissionsAccess
EmailRead & write
SMSRead & write
ALAlex Lee AdminPermissions updated

Audit log

Production
Workspace
Production
Resource
Delivery agent
WhatsApp
ReadRead & write
Succeeded

Start with Lookup.
Build across channels with Bird.

Your next idea.
Ready to connect.