HLR & carrier lookup API that makes reachability easy
Know if numbers are active, what carrier they're on, and if they can receive messages before sending
Rich carrier data for every lookup
Make smart routing decisions with detailed network status
Save Money
Don't waste money sending to landlines or inactive numbers
Smart Routing
Route through the right carrier based on real-time data
Risk Detection
Identify spam-flagged numbers before sending
{
"data": {
"carrier_info": {
"network": {
"carrier": "Vonage: 197D - NSR/4",
"ocn": "150976",
"original": {
"carrier": "Level 3/1",
"ocn": "152550"
},
"type": "LANDLINE"
},
"number": {
"landline": true,
"mobile": false,
"ported": true,
"reachable": "undetermined",
"type": "LANDLINE"
}
},
"is_spam": true,
"spam_score": 40,
"total_complaints": 4
}
}
What our customers say
"Glad to be working with the CallerAPI team! Excited to be making this a reality on a global scale!"
Gideon Ebose
Co-Founder, Rulebase (YC F24)
"Choosing CallerAPI was a big upgrade to our phone fraud prevention system. We've seen a 40% increase in accuracy"
Victor Saldarriaga
CTO, Vertical Technologies
Best price on the market
Premium
$99/mo
- 20,000 API calls/month
- Everything in Basic
- Priority support
- Access to Beta testing
Enterprise
$997/pay-per-use
- 250,000+ API calls
- Everything in Premium
- Scalable pricing
- KYC API