Real-Time HLR Data
Validate Numbers Before You Send
Stop wasting money on invalid numbers. Instantly check line validity, identify carriers, and detect roaming status with our global Number Lookup API.
GET /v1/lookup/+14155550100
const response = await client.lookup('+14155550100'); // API Response { "status": "valid", "carrier": "T-Mobile USA", "line_type": "mobile", "country_code": "US", "roaming": false, "ported": true }
Why Use Number Lookup?
Data hygiene is the first step to successful messaging campaigns.
Reduce Costs
Don't pay to send messages to invalid numbers or landlines that can't receive SMS.
Improve Delivery
Identify carrier networks to route messages through the most optimal path.
Line Type Detection
Distinguish between mobile, landline, and VoIP numbers to tailor your communication channel.
Simple Per-Lookup Pricing
Volume discounts available for high-scale needs.
Popular
Growth
$0.003
per lookup
Min. 50k lookups/mo
- Volume discounts
- Priority support
Ready to Clean Your Lists?
Sign up now and get your first 100 lookups free.