# 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 appreciate the **ease of use** of CallerAPI, enabling quick access to call details and spam detection. (7 reviews)
- Users value the **real-time call identification** from CallerAPI, which significantly enhances spam call management and accuracy. (6 reviews)
- Users appreciate the **easy integrations** of CallerAPI, enhancing their DevOps workflows and overall efficiency. (5 reviews)
- Users value the **real-time data** from CallerAPI, enhancing call tracking and identification for legitimate phone number information. (5 reviews)
- Users appreciate the **user-friendly interface** of CallerAPI, enhancing workflow efficiency and simplifying call management. (5 reviews)
- Users highlight the **impressive performance** of CallerAPI, appreciating its speed and reliability even under high traffic. (4 reviews)
- Automation (3 reviews)
- Easy Setup (3 reviews)
- Features (3 reviews)
- Data Integration (2 reviews)

**What users dislike:**

- Users find CallerAPI to be **too expensive** for their budgets, making it less accessible for small businesses. (4 reviews)
- Users experience **slow performance** during peak hours, with delayed call logs and limited customization options affecting efficiency. (4 reviews)
- Users express concern over **poor customer support** , citing slow response times and a need for better integration options. (3 reviews)
- Users express concern over **billing issues** , citing lack of transparency and challenges for smaller businesses in pricing. (2 reviews)
- Users find the **complex setup** for CallerAPI's advanced features to be time-consuming and unclear with certain 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=2026-05-31+20%3A23%3A33+-0500&secure%5Bsession_id%5D=768c71cf-faaf-4e74-95d6-a99976ec69ad&secure%5Btoken%5D=0330d4263bf657c9d683c5de24cb7b9034b4217b10139bd8c138f3737fd7bbe7&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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