# CallerAPI Reviews
**Vendor:** CallerAPI  
**Category:** [Phone Verification Software](https://www.g2.com/categories/phone-verification)  
**Average Rating:** 4.3/5.0  
**Total Reviews:** 24
## About CallerAPI
CallerAPI is an enterprise spam call blocking and telecom fraud prevention API that helps carriers, CPaaS platforms, VoIP providers, and enterprises protect their networks, reduce fraud, and improve call trust — all through a single, scalable API With global coverage across 27 countries and more than 15,000 new spam numbers identified every day, CallerAPI delivers real-time intelligence that stops robocalls, spoofing, and scam attempts before they reach end users Known for its low-latency performance (average response ~0.5 seconds) and ability to handle millions of daily lookups, CallerAPI combines spam detection, carrier validation, and risk scoring into one unified solution. Its continuously updated fraud database refreshes every 5 minutes, ensuring businesses always operate with the most accurate and reliable data Trusted by telecom operators, VoIP providers, and fraud prevention teams worldwide, CallerAPI enables organizations to strengthen compliance, raise answer rates, and protect revenue streams. With flexible integration options, white-label support, and enterprise-grade scalability, it provides the foundation for a safer, more efficient global calling ecosystem CallerAPI is building the world’s leading spam call intelligence and blocking infrastructure — purpose-built for enterprises that demand reliability, speed, and accuracy at scale



## CallerAPI Pros & Cons
**What users like:**

- Users find CallerAPI's **ease of use** valuable, enabling quick implementation and efficient spam call detection. (7 reviews)
- Users praise the **seamless API integration** of CallerAPI, benefiting from its user-friendly and efficient functionality. (6 reviews)
- Users appreciate the **easy integrations** of CallerAPI, seamlessly fitting into existing workflows and technologies. (5 reviews)
- Users value the **real-time data** from CallerAPI for accurate caller identification and spam detection globally. (5 reviews)
- Users appreciate the **user-friendly interface** of CallerAPI, noting its clear documentation and seamless integration capabilities. (5 reviews)
- Users commend the **fast and accurate performance** of CallerAPI, facilitating easy phone number verification and spam detection. (4 reviews)
- Automation (3 reviews)
- Easy Setup (3 reviews)
- Features (3 reviews)
- Data Integration (2 reviews)

**What users dislike:**

- Users find CallerAPI to be **very expensive** , making it less accessible for small businesses on tight budgets. (4 reviews)
- Users experience **slow performance** , as call logs and analytics often take longer to update during peak times. (4 reviews)
- Users report **poor customer support** from CallerAPI, noting slow response times and a need for improvements. (3 reviews)
- Users face challenges with **billing issues** , including unclear pricing and response delays from customer support. (2 reviews)
- Users find the **complex setup** of CallerAPI to be time-consuming and unclear with less common tools. (2 reviews)
- Limited Customization (2 reviews)
- Users feel the **pricing issues** of CallerAPI make it tough for small businesses to afford full features. (2 reviews)
- API Limitations (1 reviews)
- Data Management (1 reviews)
- Integration Issues (1 reviews)



- [View CallerAPI pricing details and edition comparison](https://www.g2.com/products/callerapi/reviews?page=2&section=pricing&secure%5Bexpires_at%5D=2026-05-28+01%3A26%3A59+-0500&secure%5Bsession_id%5D=04e524b6-32a9-4956-9ef9-2b30d1b796f4&secure%5Btoken%5D=888404a447b6a426955fc96848b6e8040781d3e6e02119de8187843d4e86b5ca&format=llm_user)

## CallerAPI Features
**Functionality**
- Diverse Extraction Points
- Data Structuring
- Consolidation
- Data Cleaning
- Cloud Extraction
- Visualization

**Integrations**
- Integration Breadth
- Data Processing
- Ease Of Integration

**Platform Basics - Phone Verification**
- Accuracy
- Call Screening
- Scalability
- Security Measures
- Reliable Delivery
- Customizable Workflows

**Support**
- Documentation
- Professional Support
- Community Support

**Diverse Extraction Points**
- Diverse Extraction Points

**Additional Features - Phone Verification**
- Integration Abilities
- Compliance with Regulations
- Reporting and Analytics

**Agentic AI - Phone Verification**
- Autonomous Task Execution

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