Phone Lookup Sync
Phone number verification
Validate the existence, carrier and line type of a phone number in real time.
+52 55 1234 5678
cus_abc123
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What is Phone Lookup?
Verify that a phone number is real and active. Get carrier information, line type and number status.
How does it work?
One API call. Instant response.
Step 1
Send the request
GET with customer_id. Singula checks the phone number associated with the customer.
Step 2
Instant response
Synchronous request directly to the Identity API. Result in milliseconds.
Step 3
Verified result
Receive carrier, line type (mobile/landline), country and validity status.
phone-lookup.sh
curl https://api.singula.mx/app/phone-lookup/customer/cus_abc123 \
-H "Authorization: Bearer sk_live_..."
→ {
"phone": "+525512345678",
"valid": true,
"carrier": "Telcel",
"line_type": "mobile",
"country": "MX"
}Real-time response
Synchronous request with instant response.
Carrier information
Identifies Telcel, AT&T, Movistar and other Mexican carriers.
Line type
Distinguish between mobile, landline, VoIP or virtual lines.
KYC integration
Combine with identity verification to validate contact data.