--- 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: '2026-10-23' parent_category: name: Office Management Software url: https://www.g2.com/categories/office-management-software ---

CallerAPI Pros and Cons: Top 5 Advantages and Disadvantages

Quick AI Summary Based on G2 Reviews

Generated from real user reviews

Users find CallerAPI easy to use, appreciating its fast, accurate features for detecting spam and fraud calls. (9 mentions)
Users appreciate the seamless API integration of CallerAPI, enabling effortless identification of calls and spam reduction. (7 mentions)
Users value the real-time data feature of CallerAPI, allowing for swift and accurate caller identifications globally. (6 mentions)
Users value the easy integrations of CallerAPI, seamlessly fitting into existing workflows and systems. (5 mentions)
Users appreciate the impressive speed and accuracy of CallerAPI, ensuring reliable performance even with high traffic. (5 mentions)
Users find CallerAPI too expensive, especially small businesses struggling with tight budgets. (4 mentions)
Users experience slow performance with delayed call logs and analytics, particularly during busy periods. (4 mentions)
Users express concerns about poor customer support, highlighting slow response times and a lack of necessary improvements. (3 mentions)
Users face billing issues due to unclear pricing structures and slow customer support responses, impacting their experience. (2 mentions)
Users find the complex setup of CallerAPI slow and unclear, especially when integrating with less common tools. (2 mentions)

5 Pros or Advantages of CallerAPI

1. Ease of Use
Users find CallerAPI easy to use, appreciating its fast, accurate features for detecting spam and fraud calls.
See 9 mentions

See Related User Reviews

Akshay V.
AV

Akshay V.

Enterprise (> 1000 emp.)

4.0/5

"Caller API Makes Phone Verification Super Simple"

What do you like 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 per

Sushant S.
SS

Sushant S.

Enterprise (> 1000 emp.)

4.5/5

"Easy and Reliable Caller API for Business Needs"

What do you like 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, a

2. API Integration
Users appreciate the seamless API integration of CallerAPI, enabling effortless identification of calls and spam reduction.
See 7 mentions

See Related User Reviews

SS

SHAIK S.

Enterprise (> 1000 emp.)

5.0/5

"Best tool to identify call"

What do you like about CallerAPI?

CallerAPI helps us to identify calls and helps us reduce spam calls.

Akshay V.
AV

Akshay V.

Enterprise (> 1000 emp.)

4.0/5

"Caller API Makes Phone Verification Super Simple"

What do you like 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 per

3. Real-Time Data
Users value the real-time data feature of CallerAPI, allowing for swift and accurate caller identifications globally.
See 6 mentions

See Related User Reviews

Vaishali V.
VV

Vaishali V.

Mid-Market (51-1000 emp.)

4.5/5

"Simple Call Tracking & Great Analytics"

What do you like about CallerAPI?

It helps me track calls in real-time and gives clear reports.

Panchal H.
PH

Panchal H.

Mid-Market (51-1000 emp.)

5.0/5

"Efficient Caller Identification tool to identify phone numbers"

What do you like about CallerAPI?

Caller API makes it easier to identify phone numbers and validates services that provide trustworthy caller ID API. Furthermore, it gives users and de

4. Easy Integrations
Users value the easy integrations of CallerAPI, seamlessly fitting into existing workflows and systems.
See 5 mentions

See Related User Reviews

Rahul D.
RD

Rahul D.

Mid-Market (51-1000 emp.)

4.0/5

"Reliable API for Managing Calls Efficiently"

What do you like about CallerAPI?

CallerAPI makes it easy to automate call handling, logs everything properly, and integrates well with our DevOps workflows.

Kartik G.
KG

Kartik G.

Small-Business (50 or fewer emp.)

4.5/5

"Great Experience with Caller API"

What do you like 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

5. Performance
Users appreciate the impressive speed and accuracy of CallerAPI, ensuring reliable performance even with high traffic.
See 5 mentions

See Related User Reviews

Akshay V.
AV

Akshay V.

Enterprise (> 1000 emp.)

4.0/5

"Caller API Makes Phone Verification Super Simple"

What do you like 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 per

ST

Sappa Jawahar T.

Enterprise (> 1000 emp.)

5.0/5

"Best tool to identify phone numbers"

What do you like about CallerAPI?

CallerAPI is easy to use and it helps to detect spam calls. It is fast and accurate. It helps us to check the phone number.

5 Cons or Disadvantages of CallerAPI

1. Expensive
Users find CallerAPI too expensive, especially small businesses struggling with tight budgets.
See 4 mentions

See Related User Reviews

SS

SHAIK S.

Enterprise (> 1000 emp.)

5.0/5

"Best tool to identify call"

What do you dislike about CallerAPI?

CallerAPI is very expensive for everyone to afford.

ST

Sappa Jawahar T.

Enterprise (> 1000 emp.)

5.0/5

"Best tool to identify phone numbers"

What do you dislike about CallerAPI?

CallerAPI is very expensive to afford it. the customer support is not good.

2. Slow Performance
Users experience slow performance with delayed call logs and analytics, particularly during busy periods.
See 4 mentions

See Related User Reviews

Akshay V.
AV

Akshay V.

Enterprise (> 1000 emp.)

4.0/5

"Caller API Makes Phone Verification Super Simple"

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.

Vaishali V.
VV

Vaishali V.

Mid-Market (51-1000 emp.)

4.5/5

"Simple Call Tracking & Great Analytics"

What do you dislike about CallerAPI?

Sometimes, call logs take a few seconds to update.

3. Poor Customer Support
Users express concerns about poor customer support, highlighting slow response times and a lack of necessary improvements.
See 3 mentions

See Related User Reviews

ST

Sappa Jawahar T.

Enterprise (> 1000 emp.)

5.0/5

"Best tool to identify phone numbers"

What do you dislike about CallerAPI?

CallerAPI is very expensive to afford it. the customer support is not good.

Sajith M.
SM

Sajith M.

Small-Business (50 or fewer emp.)

4.5/5

"Streamlined API Solution for Everyday Needs"

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 business

4. Billing Issues
Users face billing issues due to unclear pricing structures and slow customer support responses, impacting their experience.
See 2 mentions

See Related User Reviews

Verified User
U

Verified User

Small-Business (50 or fewer emp.)

3.5/5

"Great Experience"

What do you dislike about CallerAPI?

Privacy concerns, API costs, occasional inaccurate caller data, dependency on third-party providers, and spam detection limitations

Sajith M.
SM

Sajith M.

Small-Business (50 or fewer emp.)

4.5/5

"Streamlined API Solution for Everyday Needs"

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 business

5. Complex Setup
Users find the complex setup of CallerAPI slow and unclear, especially when integrating with less common tools.
See 2 mentions

See Related User Reviews

Abhijeet R.
AR

Abhijeet R.

Small-Business (50 or fewer emp.)

4.5/5

"A Must-Have Tool for Developers Building Call Features"

What do you dislike about CallerAPI?

Advanced features like custom call routing require extra setup, which can feel time-consuming for complex projects.

insha b.
IB

insha b.

Small-Business (50 or fewer emp.)

3.5/5

"Revolutionizing Caller Identification with Speed and Accuracy"

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

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CallerAPI Reviews (24)

Reviews

CallerAPI Reviews (24)

4.3
24 reviews
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Kartik G.
KG
Kartik G.
React.js Developer
Information Technology and Services
Small-Business (50 or fewer emp.)
"Great Experience with Caller API"
4.5/5
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. Review collected by and hosted on G2.com.

What do you dislike about CallerAPI?

Sometimes, when we check very uncommon or new phone numbers, CallerAPI doesn’t have much info on them Review collected by and hosted on G2.com.

Akshay V.
AV
Akshay V.
Senior Software Developer
Information Technology and Services
Enterprise (> 1000 emp.)
"Caller API Makes Phone Verification Super Simple"
4/5
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 Review collected by and hosted on G2.com.

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. Review collected by and hosted on G2.com.

Prashant B.
PB
Prashant B.
Consultant
Information Technology and Services
Enterprise (> 1000 emp.)
"Reliable and Easy-to-Use Caller Management Tool"
4.5/5
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. Review collected by and hosted on G2.com.

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. Review collected by and hosted on G2.com.

Sushant S.
SS
Sushant S.
Associate Business Analyst
Enterprise (> 1000 emp.)
"Easy and Reliable Caller API for Business Needs"
4.5/5
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. Review collected by and hosted on G2.com.

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. Review collected by and hosted on G2.com.

insha b.
IB
insha b.
Proposal Specialist
Small-Business (50 or fewer emp.)
"Revolutionizing Caller Identification with Speed and Accuracy"
3.5/5
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. Review collected by and hosted on G2.com.

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 Review collected by and hosted on G2.com.

Abhijeet R.
AR
Abhijeet R.
Full Stack Developer
Information Technology and Services
Small-Business (50 or fewer emp.)
"A Must-Have Tool for Developers Building Call Features"
4.5/5
What do you like best about CallerAPI?

The seamless integration with both frontend and backend systems saves me hours of coding, and the documentation is crystal clear. Review collected by and hosted on G2.com.

What do you dislike about CallerAPI?

Advanced features like custom call routing require extra setup, which can feel time-consuming for complex projects. Review collected by and hosted on G2.com.

Rahul D.
RD
Rahul D.
DevOps Engineer
Information Technology and Services
Mid-Market (51-1000 emp.)
"Reliable API for Managing Calls Efficiently"
4/5
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. Review collected by and hosted on G2.com.

What do you dislike about CallerAPI?

Sometimes, API response time fluctuates during high traffic, but overall, it’s stable. Review collected by and hosted on G2.com.

Vaishali V.
VV
Vaishali V.
SEO SMO Executive
Information Technology and Services
Mid-Market (51-1000 emp.)
"Simple Call Tracking & Great Analytics"
4.5/5
What do you like best about CallerAPI?

It helps me track calls in real-time and gives clear reports. Review collected by and hosted on G2.com.

What do you dislike about CallerAPI?

Sometimes, call logs take a few seconds to update. Review collected by and hosted on G2.com.

Sajith M.
SM
Sajith M.
Software Developer
Computer Software
Small-Business (50 or fewer emp.)
"Streamlined API Solution for Everyday Needs"
4.5/5
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. Review collected by and hosted on G2.com.

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. Review collected by and hosted on G2.com.

Manoj M.
MM
Manoj M.
Full Stack Developer
Small-Business (50 or fewer emp.)
"Efficient and Reliable API for Call Management"
5/5
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. Review collected by and hosted on G2.com.

What do you dislike about CallerAPI?

some times facing delays in data updates. Review collected by and hosted on G2.com.
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