---
title: CallerAPI Reviews
meta_title: 'CallerAPI Reviews 2026: Details, Pricing, & Features | G2'
meta_description: Filter 24 reviews by the users' company size, role or industry to
  find out how CallerAPI works for a business like yours.
aggregate_rating:
  rating_value: 4.3
  review_count: 24
  scale: '5'
date_modified: '2026-06-24'
parent_category:
  name: Office Management Software
  url: https://www.g2.com/categories/office-management-software
---

# 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 to be **very easy to use** , providing quick call details and efficient tracking. (7 reviews)
- Users value the **API integration** of CallerAPI for its reliable real-time caller identification and spam reduction capabilities. (6 reviews)
- Users enjoy the **easy integrations** of CallerAPI, seamlessly fitting into both DevOps workflows and existing setups. (5 reviews)
- Users value the **real-time data tracking** of CallerAPI, enhancing their ability to identify spam and fraud calls. (5 reviews)
- Users appreciate the **user-friendly interface** of CallerAPI, enhancing workflow 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 **very expensive** , making it difficult for small businesses to afford its services. (4 reviews)
- Users experience **slow performance** during peak hours, with delayed call log updates impacting their efficiency. (4 reviews)
- Users experience **poor customer support** , citing slow response times and a need for improved assistance. (3 reviews)
- Users report **billing issues** due to a lack of transparency in the pricing structure, particularly affecting small businesses. (2 reviews)
- Users find the **complex setup** of CallerAPI time-consuming and unclear, especially 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=3&section=pricing&secure%5Bexpires_at%5D=2026-06-28+15%3A22%3A39+-0500&secure%5Bsession_id%5D=88faf809-70ba-4340-9d56-e70f340ab096&secure%5Btoken%5D=e5db3254be566947b856a72af41ed4a5ac8fac2e63e8c6f61d4715089ae23bb9&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

## Top CallerAPI Alternatives
  - [Plivo](https://www.g2.com/products/plivo/reviews) - 4.5/5.0 (743 reviews)
  - [Vonage Communications APIs](https://www.g2.com/products/vonage-communications-apis/reviews) - 4.2/5.0 (368 reviews)
  - [Fivetran](https://www.g2.com/products/fivetran/reviews) - 4.3/5.0 (782 reviews)

