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View All Phone Number Caller ID Lookup APIs →Search contact and caller information by country code and phone number. Supply country code (e.g. 1 for US, 91 for India) and the number without country code to retrieve contact or caller data. Use for unknown caller identification, spam screening, and reverse phone lookup.
API Features
Reverse lookup by number Query with country code and local digits to resolve contact or caller details for unknown-number identification
Robocall and scam screening Detect spam and unknown callers before answer; plug into call screening and block lists
Code + number search Two required params: code (dialing prefix) and number (local digits) for accurate international resolution
JSON result for pipelines Structured response for call center UIs, CRM enrichment, and fraud or risk scoring
One-call resolution Single GET returns contact or caller info; no multi-step flow for quick integration
Live API Demo
API Response (JSON)
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Use Cases
- UCaaS and contact centers: lookup incoming number before route or answer to filter nuisance calls
- Fraud and robocall defense: flag or block scam and robocall numbers in real time
- Caller name display: show caller identity or type on incoming call for subscribers
- CRM enrichment: attach contact or caller data to records using phone number
- A2P and messaging: verify and identify numbers before send to limit phishing and abuse
- Cold-call and safety check: confirm who is calling before picking up