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.
Look up +441904123456. Tell me its country, network and line type, and check its classification and credibility.
- 1Read the number and requested properties
lookup_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.
Good things.
In your inbox.
Your order updates, saved favorites,
and a little inspiration.
A likely spelling mistake. Ask the customer which address they intended.
aisha@gmial.com- Match the requestOriginal address preservedMatched
- Read the verdictresult: "typo"Answered
- Choose the next stepAsk before changing the addressReady
Read alongside the verdict, not instead of it.
did_you_meanaisha@gmail.comA 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.
+31 6 1234 5678
Mobile · Netherlands- Serving network
- Vodafone
- Issuing network
- KPN
- Base flag
ported
from the issuing network.
okMove recorded · 3 Feb 2026unavailableNo value returnedinconclusiveNo value returnedok82 / 100Keep 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 policyExplore Lookup.
From address quality to network details. Choose the signals your application needs.
Look up an email address or phone number before the next step.
Email validationFind address issues before attempting a send.
Phone number lookupUnderstand a number’s format, line type and network context.
Line typeChoose an appropriate next step for the type of number.
Carrier lookupFind the serving and issuing networks for a phone number.
Number portingCheck whether a phone number has moved between networks.
Network presenceCheck the network-presence information available for a number.
RoamingCheck the roaming information available for a number.
SIM swapCheck for evidence of a recent SIM change.
Credibility scoreAdd a phone credibility score to your own assessment.
Scale without
losing control.
Organize teams in workspaces, control API access, and trace changes through audit logs.
Audit log
Production- Workspace
- Production
- Resource
- Delivery agent
- ReadRead & write