--- 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: '2026-07-07' 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** , making features like spam detection and call tracking accessible. (9 reviews) - Users appreciate the **seamless API integration** of CallerAPI, enhancing caller identification and reducing spam effectively. (7 reviews) - Users benefit from the **real-time data** feature of CallerAPI, enabling accurate caller identification and spam detection. (6 reviews) - Users appreciate the **easy integrations** of CallerAPI, enabling seamless automation and effective call management within their workflows. (5 reviews) - Users praise the **fast and accurate performance** of CallerAPI, making phone number verification effortless and reliable. (5 reviews) - Users appreciate the **user-friendly interface** of CallerAPI, which enhances call management and boosts productivity. (5 reviews) - Automation (3 reviews) - Easy Setup (3 reviews) - Features (3 reviews) - Helpful (3 reviews) **What users dislike:** - Users find CallerAPI **very expensive** , making it challenging for small businesses to afford within their budgets. (4 reviews) - Users experience **slow performance** with call logs and analytics updates, especially during peak hours. (4 reviews) - Users experience **poor customer support** , facing slow response times and inadequate integration assistance, affecting overall satisfaction. (3 reviews) - Users face **billing issues** with unclear pricing and slow customer support, making the experience challenging for smaller businesses. (2 reviews) - Users find the **complex setup** of CallerAPI time-consuming and unclear, particularly 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) ## CallerAPI Reviews ### 1. Great Experience with Caller API **Rating:** 4.5/5.0 stars **Reviewed by:** Kartik G. | React.js Developer, Information Technology and Services, Small-Business (50 or fewer emp.) **Reviewed Date:** March 10, 2025 **What do you like best about CallerAPI?** CallerAPI fit into our existing setup easily. As a React developer, I often worry about compatibility with other tools, but CallerAPI works well with both our front-end (React) and our backend server. **What do you dislike about CallerAPI?** Sometimes, when we check very uncommon or new phone numbers, CallerAPI doesn’t have much info on them **What problems is CallerAPI solving and how is that benefiting you?** when a new user signed up on our site, we wanted to check if the phone number they provided was real and to know if it might be associated with spam. CallerAPI solved this problem for us. By integrating CallerAPI, we can now instantly get information about any phone number. ### 2. Caller API Makes Phone Verification Super Simple **Rating:** 4.0/5.0 stars **Reviewed by:** Akshay V. | Senior Software Developer, Information Technology and Services, Enterprise (> 1000 emp.) **Reviewed Date:** March 15, 2025 **What do you like best about CallerAPI?** I love how easy it is to verify phone numbers. The API is fast, accurate, and doesn’t need a complex setup. Just a few lines of code, and it works perfectly **What do you dislike about CallerAPI?** Sometimes, the response time can be a bit slow during peak hours. Also, I wish they had more detailed error messages to debug issues faster. **What problems is CallerAPI solving and how is that benefiting you?** It saves a lot of time by providing a single API for multiple phone verification services. Instead of using different providers, everything is unified in one place. ### 3. Reliable and Easy-to-Use Caller Management Tool **Rating:** 4.5/5.0 stars **Reviewed by:** Prashant B. | Consultant, Information Technology and Services, Enterprise (> 1000 emp.) **Reviewed Date:** March 05, 2025 **What do you like best about CallerAPI?** CallerAPI helps our team manage calls smoothly. The interface is simple, and we can easily track call logs, record conversations, and analyze data. It saves a lot of time and improves our workflow. **What do you dislike about CallerAPI?** Sometimes, the call analytics take longer to load, especially during peak hours. Also, I wish there were more customization options for reports. **What problems is CallerAPI solving and how is that benefiting you?** CallerAPI has streamlined our call tracking process, saving us a lot of manual work. We can now automatically log, monitor, and analyze calls, which improves customer interactions and support efficiency. ### 4. Easy and Reliable Caller API for Business Needs **Rating:** 4.5/5.0 stars **Reviewed by:** Sushant S. | Associate Business Analyst, Enterprise (> 1000 emp.) **Reviewed Date:** March 07, 2025 **What do you like best about CallerAPI?** CallerAPI is very simple to use. It gives quick and clear call details, helping me track all important calls without any trouble. The setup is easy, and the reports are useful. **What do you dislike about CallerAPI?** Sometimes, the call logs take a little longer to update. Also, I wish there were more customization options in the reports. **What problems is CallerAPI solving and how is that benefiting you?** It helps me keep a record of all business calls, so I never miss any important details. It also helps my team analyze call patterns and improve customer interactions. ### 5. "Revolutionizing Caller Identification with Speed and Accuracy" **Rating:** 3.5/5.0 stars **Reviewed by:** insha b. | Proposal Specialist, Small-Business (50 or fewer emp.) **Reviewed Date:** December 18, 2024 **What do you like best about CallerAPI?** It's real-time caller identification with global coverage of 2.65 billion phone numbers. The fast response time of just 0.5 seconds and its ability to detect spam and fraud calls at scale make it incredibly efficient. Plus, the affordability (10x cheaper than competitors) and seamless integration options with CRMs and no-code tools are big highlights. **What do you dislike about CallerAPI?** What I dislike about CallerAPI is that it’s unclear how easy it is to set up with all tools, especially less common ones **What problems is CallerAPI solving and how is that benefiting you?** CallerAPI solves the problem of identifying unknown callers and blocking spam or fraud calls. This is a big help for corporate work because it ensures you only connect with real clients and avoid wasting time on spam. It also improves communication by giving trusted information about callers, which makes follow-ups and writing to clients much easier. ### 6. Reliable API for Managing Calls Efficiently **Rating:** 4.0/5.0 stars **Reviewed by:** Rahul D. | DevOps Engineer, Information Technology and Services, Mid-Market (51-1000 emp.) **Reviewed Date:** March 10, 2025 **What do you like best about CallerAPI?** CallerAPI makes it easy to automate call handling, logs everything properly, and integrates well with our DevOps workflows. **What do you dislike about CallerAPI?** Sometimes, API response time fluctuates during high traffic, but overall, it’s stable. **What problems is CallerAPI solving and how is that benefiting you?** It automates call handling and monitoring, reducing errors and making troubleshooting faster. ### 7. Simple Call Tracking & Great Analytics **Rating:** 4.5/5.0 stars **Reviewed by:** Vaishali V. | SEO SMO Executive, Information Technology and Services, Mid-Market (51-1000 emp.) **Reviewed Date:** March 08, 2025 **What do you like best about CallerAPI?** It helps me track calls in real-time and gives clear reports. **What do you dislike about CallerAPI?** Sometimes, call logs take a few seconds to update. **What problems is CallerAPI solving and how is that benefiting you?** I struggled to track call leads from ads. CallerAPI made it easy by showing call sources and details instantly. ### 8. Streamlined API Solution for Everyday Needs **Rating:** 4.5/5.0 stars **Reviewed by:** Sajith M. | Software Developer, Computer Software, Small-Business (50 or fewer emp.) **Reviewed Date:** December 20, 2024 **What do you like best about CallerAPI?** CallerAPI is extremely user-friendly, with clear documentation and seamless integration capabilities. The response times are fast, and the dashboard makes tracking API usage intuitive. **What do you dislike about CallerAPI?** There are occasional issues with customer support response times, and the pricing structure could be more transparent, especially for smaller businesses. **What problems is CallerAPI solving and how is that benefiting you?** CallerAPI has simplified API management by offering robust features like real-time monitoring and detailed logs. It helps reduce development time by providing prebuilt integrations and ensures scalability as our business grows. ### 9. Efficient and Reliable API for Call Management **Rating:** 5.0/5.0 stars **Reviewed by:** Manoj M. | Full Stack Developer, Small-Business (50 or fewer emp.) **Reviewed Date:** February 27, 2025 **What do you like best about CallerAPI?** It is very easy to integrate, and it's best for call tracking and management, and it simple to work with. **What do you dislike about CallerAPI?** some times facing delays in data updates. **What problems is CallerAPI solving and how is that benefiting you?** Its very easy method to verify number, reducing fraud and improving security. ### 10. Best tool to identify call **Rating:** 5.0/5.0 stars **Reviewed by:** SHAIK S. | System Admin, Enterprise (> 1000 emp.) **Reviewed Date:** April 28, 2025 **What do you like best about CallerAPI?** CallerAPI helps us to identify calls and helps us reduce spam calls. **What do you dislike about CallerAPI?** CallerAPI is very expensive for everyone to afford. **What problems is CallerAPI solving and how is that benefiting you?** CallerAPI helps in detecting spam phone calls. It reduce the phone calls from spam. - [View CallerAPI pricing details and edition comparison](https://www.g2.com/products/callerapi/reviews/callerapi-review-10895084?section=pricing&secure%5Bexpires_at%5D=2026-07-07+22%3A23%3A36+-0500&secure%5Bsession_id%5D=acbce223-e55e-475d-a7ef-24a716bdecf1&secure%5Btoken%5D=624473d3854ea3c79f10e03b95537b1dfb3b04dd7e11a296d467fb65476e317a&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)