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Best Financial Data APIs for Small Business

Nathan Calabrese
NC
Researched and written by Nathan Calabrese

Products classified in the overall Financial Data APIs category are similar in many regards and help companies of all sizes solve their business problems. However, small business features, pricing, setup, and installation differ from businesses of other sizes, which is why we match buyers to the right Small Business Financial Data APIs to fit their needs. Compare product ratings based on reviews from enterprise users or connect with one of G2's buying advisors to find the right solutions within the Small Business Financial Data APIs category.

In addition to qualifying for inclusion in the Financial Data APIs category, to qualify for inclusion in the Small Business Financial Data APIs category, a product must have at least 10 reviews left by a reviewer from a small business.

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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.

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11 Listings in Small Business Financial Data APIs Available

(242)4.7 out of 5
Optimized for quick response
1st Easiest To Use in Financial Data APIs software
Save to My Lists
Entry Level Price:Free
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Merge Unified is the leading Unified API for thousands of organizations, including frontier LLMs, Fortune 500 organizations, and other B2B SaaS companies. Merge Unified allows businesses to add hun

    Users
    • Software Engineer
    • CEO
    Industries
    • Computer Software
    • Information Technology and Services
    Market Segment
    • 62% Small-Business
    • 29% Mid-Market
  • Pros and Cons
    Expand/Collapse Pros and Cons
  • Merge Unified Pros and Cons
    How are these determined?Information
    Pros and Cons are compiled from review feedback and grouped into themes to provide an easy-to-understand summary of user reviews.
    Pros
    Customer Support
    71
    Ease of Use
    50
    Integrations
    48
    Integration Capabilities
    27
    Documentation
    26
    Cons
    Integration Issues
    11
    Expensive
    10
    Poor Documentation
    9
    Data Limitations
    6
    Learning Curve
    5
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • Merge Unified features and usability ratings that predict user satisfaction
    9.7
    Quality of Support
    Average: 8.6
    9.5
    Has the product been a good partner in doing business?
    Average: 8.7
    9.3
    Ease of Use
    Average: 8.8
    9.5
    Ease of Admin
    Average: 8.7
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Seller
    Merge
    Company Website
    Year Founded
    2020
    HQ Location
    San Francisco, US
    Twitter
    @merge_api
    2,282 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    130 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Merge Unified is the leading Unified API for thousands of organizations, including frontier LLMs, Fortune 500 organizations, and other B2B SaaS companies. Merge Unified allows businesses to add hun

Users
  • Software Engineer
  • CEO
Industries
  • Computer Software
  • Information Technology and Services
Market Segment
  • 62% Small-Business
  • 29% Mid-Market
Merge Unified Pros and Cons
How are these determined?Information
Pros and Cons are compiled from review feedback and grouped into themes to provide an easy-to-understand summary of user reviews.
Pros
Customer Support
71
Ease of Use
50
Integrations
48
Integration Capabilities
27
Documentation
26
Cons
Integration Issues
11
Expensive
10
Poor Documentation
9
Data Limitations
6
Learning Curve
5
Merge Unified features and usability ratings that predict user satisfaction
9.7
Quality of Support
Average: 8.6
9.5
Has the product been a good partner in doing business?
Average: 8.7
9.3
Ease of Use
Average: 8.8
9.5
Ease of Admin
Average: 8.7
Seller Details
Seller
Merge
Company Website
Year Founded
2020
HQ Location
San Francisco, US
Twitter
@merge_api
2,282 Twitter followers
LinkedIn® Page
www.linkedin.com
130 employees on LinkedIn®
(236)4.4 out of 5
2nd Easiest To Use in Financial Data APIs software
View top Consulting Services for Stripe Connect
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  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    The world’s most successful platforms and marketplaces, including Shopify and DoorDash, use Stripe Connect to embed payments into their products. Connect offers instant onboarding, embedded components

    Users
    • Founder
    • Owner
    Industries
    • Computer Software
    • Internet
    Market Segment
    • 75% Small-Business
    • 19% Mid-Market
  • Pros and Cons
    Expand/Collapse Pros and Cons
  • Stripe Connect Pros and Cons
    How are these determined?Information
    Pros and Cons are compiled from review feedback and grouped into themes to provide an easy-to-understand summary of user reviews.
    Pros
    Ease of Use
    3
    Easy Integrations
    3
    Features
    2
    Payment Processing
    2
    Affordable
    1
    Cons
    Poor Customer Support
    3
    High Fees
    2
    Excessive Fees
    1
    Payment Issues
    1
    Service Reliability
    1
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • Stripe Connect features and usability ratings that predict user satisfaction
    8.2
    Quality of Support
    Average: 8.6
    8.7
    Has the product been a good partner in doing business?
    Average: 8.7
    8.9
    Ease of Use
    Average: 8.8
    8.9
    Ease of Admin
    Average: 8.7
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Seller
    Stripe
    Year Founded
    2010
    HQ Location
    San Francisco, CA
    Twitter
    @stripe
    267,044 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    13,489 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

The world’s most successful platforms and marketplaces, including Shopify and DoorDash, use Stripe Connect to embed payments into their products. Connect offers instant onboarding, embedded components

Users
  • Founder
  • Owner
Industries
  • Computer Software
  • Internet
Market Segment
  • 75% Small-Business
  • 19% Mid-Market
Stripe Connect Pros and Cons
How are these determined?Information
Pros and Cons are compiled from review feedback and grouped into themes to provide an easy-to-understand summary of user reviews.
Pros
Ease of Use
3
Easy Integrations
3
Features
2
Payment Processing
2
Affordable
1
Cons
Poor Customer Support
3
High Fees
2
Excessive Fees
1
Payment Issues
1
Service Reliability
1
Stripe Connect features and usability ratings that predict user satisfaction
8.2
Quality of Support
Average: 8.6
8.7
Has the product been a good partner in doing business?
Average: 8.7
8.9
Ease of Use
Average: 8.8
8.9
Ease of Admin
Average: 8.7
Seller Details
Seller
Stripe
Year Founded
2010
HQ Location
San Francisco, CA
Twitter
@stripe
267,044 Twitter followers
LinkedIn® Page
www.linkedin.com
13,489 employees on LinkedIn®

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(43)4.2 out of 5
Optimized for quick response
3rd Easiest To Use in Financial Data APIs software
Save to My Lists
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    What is Plaid? Plaid is a global fintech infrastructure platform that enables businesses and consumers to securely connect to financial data and services. Through APIs that connect to more than 12,00

    Users
    No information available
    Industries
    • Financial Services
    Market Segment
    • 56% Small-Business
    • 19% Mid-Market
  • Pros and Cons
    Expand/Collapse Pros and Cons
  • Plaid Pros and Cons
    How are these determined?Information
    Pros and Cons are compiled from review feedback and grouped into themes to provide an easy-to-understand summary of user reviews.
    Pros
    Ease of Use
    9
    Convenience
    4
    Easy Integrations
    4
    Easy Setup
    4
    Security
    4
    Cons
    System Errors
    4
    Access Limitations
    3
    Carrier Limitations
    2
    Connectivity Issues
    2
    Account Management
    1
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • Plaid features and usability ratings that predict user satisfaction
    7.9
    Quality of Support
    Average: 8.6
    7.6
    Has the product been a good partner in doing business?
    Average: 8.7
    8.8
    Ease of Use
    Average: 8.8
    8.5
    Ease of Admin
    Average: 8.7
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Company Website
    Year Founded
    2013
    HQ Location
    San Francisco , US
    Twitter
    @Plaid
    34,267 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    1,237 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

What is Plaid? Plaid is a global fintech infrastructure platform that enables businesses and consumers to securely connect to financial data and services. Through APIs that connect to more than 12,00

Users
No information available
Industries
  • Financial Services
Market Segment
  • 56% Small-Business
  • 19% Mid-Market
Plaid Pros and Cons
How are these determined?Information
Pros and Cons are compiled from review feedback and grouped into themes to provide an easy-to-understand summary of user reviews.
Pros
Ease of Use
9
Convenience
4
Easy Integrations
4
Easy Setup
4
Security
4
Cons
System Errors
4
Access Limitations
3
Carrier Limitations
2
Connectivity Issues
2
Account Management
1
Plaid features and usability ratings that predict user satisfaction
7.9
Quality of Support
Average: 8.6
7.6
Has the product been a good partner in doing business?
Average: 8.7
8.8
Ease of Use
Average: 8.8
8.5
Ease of Admin
Average: 8.7
Seller Details
Company Website
Year Founded
2013
HQ Location
San Francisco , US
Twitter
@Plaid
34,267 Twitter followers
LinkedIn® Page
www.linkedin.com
1,237 employees on LinkedIn®
(38)4.5 out of 5
7th Easiest To Use in Financial Data APIs software
Save to My Lists
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    TrueLayer is Europe’s leading open banking payments network. We power smarter, safer and faster online payments by combining real-time bank payments with financial and identity data. Businesses big an

    Users
    • CEO
    Industries
    • Financial Services
    Market Segment
    • 76% Small-Business
    • 24% Mid-Market
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • TrueLayer features and usability ratings that predict user satisfaction
    8.3
    Quality of Support
    Average: 8.6
    8.9
    Has the product been a good partner in doing business?
    Average: 8.7
    9.0
    Ease of Use
    Average: 8.8
    8.3
    Ease of Admin
    Average: 8.7
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Seller
    TrueLayer
    Year Founded
    2016
    HQ Location
    London, London
    Twitter
    @TrueLayer
    3,724 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    247 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

TrueLayer is Europe’s leading open banking payments network. We power smarter, safer and faster online payments by combining real-time bank payments with financial and identity data. Businesses big an

Users
  • CEO
Industries
  • Financial Services
Market Segment
  • 76% Small-Business
  • 24% Mid-Market
TrueLayer features and usability ratings that predict user satisfaction
8.3
Quality of Support
Average: 8.6
8.9
Has the product been a good partner in doing business?
Average: 8.7
9.0
Ease of Use
Average: 8.8
8.3
Ease of Admin
Average: 8.7
Seller Details
Seller
TrueLayer
Year Founded
2016
HQ Location
London, London
Twitter
@TrueLayer
3,724 Twitter followers
LinkedIn® Page
www.linkedin.com
247 employees on LinkedIn®
(59)4.4 out of 5
4th Easiest To Use in Financial Data APIs software
Save to My Lists
  • Overview
    Expand/Collapse Overview
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • Seller Details
    Expand/Collapse Seller Details
(28)4.6 out of 5
9th Easiest To Use in Financial Data APIs software
Save to My Lists
Entry Level Price:Free
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Codat helps banks build deeper connections with business customers. We offer products that make it easy to access, synchronize and interpret data from customers’ financial software for specific use c

    Users
    No information available
    Industries
    • Financial Services
    • Insurance
    Market Segment
    • 71% Small-Business
    • 21% Mid-Market
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • Codat features and usability ratings that predict user satisfaction
    9.1
    Quality of Support
    Average: 8.6
    8.8
    Has the product been a good partner in doing business?
    Average: 8.7
    8.6
    Ease of Use
    Average: 8.8
    8.6
    Ease of Admin
    Average: 8.7
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Seller
    Codat
    Year Founded
    2017
    HQ Location
    London, London
    LinkedIn® Page
    www.linkedin.com
    114 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Codat helps banks build deeper connections with business customers. We offer products that make it easy to access, synchronize and interpret data from customers’ financial software for specific use c

Users
No information available
Industries
  • Financial Services
  • Insurance
Market Segment
  • 71% Small-Business
  • 21% Mid-Market
Codat features and usability ratings that predict user satisfaction
9.1
Quality of Support
Average: 8.6
8.8
Has the product been a good partner in doing business?
Average: 8.7
8.6
Ease of Use
Average: 8.8
8.6
Ease of Admin
Average: 8.7
Seller Details
Seller
Codat
Year Founded
2017
HQ Location
London, London
LinkedIn® Page
www.linkedin.com
114 employees on LinkedIn®
(51)4.9 out of 5
8th Easiest To Use in Financial Data APIs software
Save to My Lists
Entry Level Price:Free
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Apideck eliminates the complexity of integrations with a single real-time API that connects to 190+ platforms across CRM, Accounting, HRIS, File Storage, and eCommerce without the technical overhead.

    Users
    • CTO
    Industries
    • Computer Software
    • Information Technology and Services
    Market Segment
    • 80% Small-Business
    • 16% Mid-Market
  • Pros and Cons
    Expand/Collapse Pros and Cons
  • Apideck Unify Pros and Cons
    How are these determined?Information
    Pros and Cons are compiled from review feedback and grouped into themes to provide an easy-to-understand summary of user reviews.
    Pros
    Customer Support
    10
    Ease of Use
    8
    Integration Capabilities
    7
    Integrations
    7
    Documentation
    6
    Cons
    API Limitations
    3
    Data Limitations
    3
    Missing Features
    3
    Complexity
    2
    Integration Issues
    2
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • Apideck Unify features and usability ratings that predict user satisfaction
    9.6
    Quality of Support
    Average: 8.6
    9.7
    Has the product been a good partner in doing business?
    Average: 8.7
    9.6
    Ease of Use
    Average: 8.8
    9.5
    Ease of Admin
    Average: 8.7
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Seller
    Apideck
    Company Website
    Year Founded
    2020
    HQ Location
    San Francisco, California
    Twitter
    @apideck
    867 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    29 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Apideck eliminates the complexity of integrations with a single real-time API that connects to 190+ platforms across CRM, Accounting, HRIS, File Storage, and eCommerce without the technical overhead.

Users
  • CTO
Industries
  • Computer Software
  • Information Technology and Services
Market Segment
  • 80% Small-Business
  • 16% Mid-Market
Apideck Unify Pros and Cons
How are these determined?Information
Pros and Cons are compiled from review feedback and grouped into themes to provide an easy-to-understand summary of user reviews.
Pros
Customer Support
10
Ease of Use
8
Integration Capabilities
7
Integrations
7
Documentation
6
Cons
API Limitations
3
Data Limitations
3
Missing Features
3
Complexity
2
Integration Issues
2
Apideck Unify features and usability ratings that predict user satisfaction
9.6
Quality of Support
Average: 8.6
9.7
Has the product been a good partner in doing business?
Average: 8.7
9.6
Ease of Use
Average: 8.8
9.5
Ease of Admin
Average: 8.7
Seller Details
Seller
Apideck
Company Website
Year Founded
2020
HQ Location
San Francisco, California
Twitter
@apideck
867 Twitter followers
LinkedIn® Page
www.linkedin.com
29 employees on LinkedIn®
(59)4.7 out of 5
Optimized for quick response
Save to My Lists
Entry Level Price:Free
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Finch is a unified API and connectivity platform that connects HR, benefits, and financial applications to 250+ HRIS and payroll providers. By serving as the intermediary, Finch helps B2B companies on

    Users
    • CEO
    Industries
    • Financial Services
    • Computer Software
    Market Segment
    • 49% Small-Business
    • 39% Mid-Market
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • Finch features and usability ratings that predict user satisfaction
    9.6
    Quality of Support
    Average: 8.6
    9.3
    Has the product been a good partner in doing business?
    Average: 8.7
    9.1
    Ease of Use
    Average: 8.8
    9.0
    Ease of Admin
    Average: 8.7
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Seller
    Finch
    Company Website
    Year Founded
    2020
    HQ Location
    San Francisco, CA
    Twitter
    @tryfinch
    748 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    139 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Finch is a unified API and connectivity platform that connects HR, benefits, and financial applications to 250+ HRIS and payroll providers. By serving as the intermediary, Finch helps B2B companies on

Users
  • CEO
Industries
  • Financial Services
  • Computer Software
Market Segment
  • 49% Small-Business
  • 39% Mid-Market
Finch features and usability ratings that predict user satisfaction
9.6
Quality of Support
Average: 8.6
9.3
Has the product been a good partner in doing business?
Average: 8.7
9.1
Ease of Use
Average: 8.8
9.0
Ease of Admin
Average: 8.7
Seller Details
Seller
Finch
Company Website
Year Founded
2020
HQ Location
San Francisco, CA
Twitter
@tryfinch
748 Twitter followers
LinkedIn® Page
www.linkedin.com
139 employees on LinkedIn®
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Live financial markets data in your Excel spreadsheet. Excel Price Feed is an Add-in which includes 100+ new Excel formulas for live, historical and fundamental market data. -Markets include sto

    Users
    No information available
    Industries
    No information available
    Market Segment
    • 63% Small-Business
    • 29% Mid-Market
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • Excel Price Feed features and usability ratings that predict user satisfaction
    8.1
    Quality of Support
    Average: 8.6
    8.3
    Has the product been a good partner in doing business?
    Average: 8.7
    8.6
    Ease of Use
    Average: 8.8
    7.1
    Ease of Admin
    Average: 8.7
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Year Founded
    2015
    HQ Location
    Brighton, GB
    LinkedIn® Page
    www.linkedin.com
    2 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Live financial markets data in your Excel spreadsheet. Excel Price Feed is an Add-in which includes 100+ new Excel formulas for live, historical and fundamental market data. -Markets include sto

Users
No information available
Industries
No information available
Market Segment
  • 63% Small-Business
  • 29% Mid-Market
Excel Price Feed features and usability ratings that predict user satisfaction
8.1
Quality of Support
Average: 8.6
8.3
Has the product been a good partner in doing business?
Average: 8.7
8.6
Ease of Use
Average: 8.8
7.1
Ease of Admin
Average: 8.7
Seller Details
Year Founded
2015
HQ Location
Brighton, GB
LinkedIn® Page
www.linkedin.com
2 employees on LinkedIn®
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Airapi is: - an API Gateway and End-to-end API Management Platform, including a developer portal to offer your APIs to fintechs and developers - Open Banking Solution, compatible with PSD2, Berlin G

    Users
    No information available
    Industries
    • Banking
    Market Segment
    • 55% Small-Business
    • 25% Mid-Market
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • Airapi features and usability ratings that predict user satisfaction
    8.3
    Quality of Support
    Average: 8.6
    8.3
    Has the product been a good partner in doing business?
    Average: 8.7
    8.5
    Ease of Use
    Average: 8.8
    8.3
    Ease of Admin
    Average: 8.7
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Year Founded
    2015
    HQ Location
    Teknopark İstanbul, TR
    Twitter
    @PowerFactor1
    32 Twitter followers
    LinkedIn® Page
    www.linkedin.com
    1,882 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Airapi is: - an API Gateway and End-to-end API Management Platform, including a developer portal to offer your APIs to fintechs and developers - Open Banking Solution, compatible with PSD2, Berlin G

Users
No information available
Industries
  • Banking
Market Segment
  • 55% Small-Business
  • 25% Mid-Market
Airapi features and usability ratings that predict user satisfaction
8.3
Quality of Support
Average: 8.6
8.3
Has the product been a good partner in doing business?
Average: 8.7
8.5
Ease of Use
Average: 8.8
8.3
Ease of Admin
Average: 8.7
Seller Details
Year Founded
2015
HQ Location
Teknopark İstanbul, TR
Twitter
@PowerFactor1
32 Twitter followers
LinkedIn® Page
www.linkedin.com
1,882 employees on LinkedIn®
  • Overview
    Expand/Collapse Overview
  • Product Description
    How are these determined?Information
    This description is provided by the seller.

    Airslip simplifies the complexity SMEs face when accessing financial services with real-time financial and performance data. Using commerce, banking and accounting data, the Airslip product provides i

    Users
    No information available
    Industries
    No information available
    Market Segment
    • 61% Small-Business
    • 33% Enterprise
  • User Satisfaction
    Expand/Collapse User Satisfaction
  • Airslip features and usability ratings that predict user satisfaction
    8.3
    Quality of Support
    Average: 8.6
    8.6
    Has the product been a good partner in doing business?
    Average: 8.7
    8.3
    Ease of Use
    Average: 8.8
    8.6
    Ease of Admin
    Average: 8.7
  • Seller Details
    Expand/Collapse Seller Details
  • Seller Details
    Seller
    Airslip
    Year Founded
    2020
    HQ Location
    N/A
    LinkedIn® Page
    www.linkedin.com
    1 employees on LinkedIn®
Product Description
How are these determined?Information
This description is provided by the seller.

Airslip simplifies the complexity SMEs face when accessing financial services with real-time financial and performance data. Using commerce, banking and accounting data, the Airslip product provides i

Users
No information available
Industries
No information available
Market Segment
  • 61% Small-Business
  • 33% Enterprise
Airslip features and usability ratings that predict user satisfaction
8.3
Quality of Support
Average: 8.6
8.6
Has the product been a good partner in doing business?
Average: 8.7
8.3
Ease of Use
Average: 8.8
8.6
Ease of Admin
Average: 8.7
Seller Details
Seller
Airslip
Year Founded
2020
HQ Location
N/A
LinkedIn® Page
www.linkedin.com
1 employees on LinkedIn®