# Best E-Signature APIs Software for Medium-Sized Businesses

## How Many E-Signature APIs Software Products Does G2 Track?

**Total Products under this Category:** 38

### Category Stats (Jul 2026)

- **Average Rating:** 4.53/5 The average rating of products in this category, based on all submitted ratings
- **Top Trending Product:** Anvil (+0.21%) - Among all products in this category, Anvil recorded the largest rating increase compared to last month

_Last updated: July 26, 2026_

## How Does G2 Rank E-Signature APIs Software Products?

**Why You Can Trust G2's Software Rankings:**

- 30 Analysts and Data Experts
- 10,300+ Authentic Reviews
- 38+ Products
- Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

## G2 Grid® for E-Signature APIs Software
 ![G2 Grid® for E-Signature APIs Software plotting products by satisfaction and market presence](https://www.g2.com/categories/e-signature-apis/grids.png?focus%5B%5D=1282081&focus%5B%5D=324&focus%5B%5D=1450270&focus%5B%5D=16016&focus%5B%5D=1282263&focus%5B%5D=151836&focus%5B%5D=773)

Highlighted products: PandaDoc API, Docusign, Signify, GetAccept, DropBox Sign API, Foxit eSign, and OneSpan Sign.

Underlying data: [Grid® JSON](https://www.g2.com/categories/e-signature-apis/grids.json?focus%5B%5D=pandadoc-api&focus%5B%5D=docusign&focus%5B%5D=signify-signify&focus%5B%5D=getaccept&focus%5B%5D=dropbox-sign-api&focus%5B%5D=foxit-esign&focus%5B%5D=onespan-sign&segment=mid-market)

**Sponsored**

### BoldSign

BoldSign® by Syncfusion® is an easy-to-use and secure electronic signature solution. With BoldSign you can quickly sign documents or send them out for signature, complete contracts, fill out forms, approve invoices, confirm service appointments, onboard new employees, and more. Its easy set-up, user-friendly interface, and intuitive auto-reminder settings smooth the way for the quick turnarounds you're looking for. BoldSign is a top alternative to DocuSign, offering flexible month-to-month plans and budget-friendly pricing options tailored to your needs. Key features: - Use a solution that meets U.S. ESIGN and EU eIDAS eSignature standards, is SOC 2® Type 2 certified, and fully compliant with HIPAA and GDPR. - No hidden document limits, feature restrictions, or surprise overage fees. - Intuitive, easy-to-use web interface. - Comprehensive, highly responsive API available, to easily embed the entire eSignature process within your apps. - Create reusable templates to streamline recurring document workflows. - Request signatures via both email and SMS. - Add your company’s branding to eSignature requests. - Effortlessly send documents to multiple recipients using bulk sending and bulk links. - Instantly generate signing links for easy sharing and faster completion. - Ensure signer authenticity with identity verification options. - Embed sending and signing directly into your applications. - Get real-time document status updates through webhooks. - Enjoy dedicated customer care, even for free-plan users in email, chat, and the ticketing system. - Securely store and retrieve documents with automatic cloud backups. Syncfusion, the company behind BoldSign, has been helping developers worldwide to build powerful line-of-business software for over 20 years. Syncfusion serves a wide spectrum of customers, empowering individual developers and Fortune 500 companies alike to build high-impact line-of-business software.

[Visit website](https://www.g2.com/external_clickthroughs/record?secure%5Bad_program%5D=ppc&secure%5Bad_slot%5D=category_product_list&secure%5Bcategory_id%5D=1005293&secure%5Bchosen_at%5D=2026-07-28T09%3A46%3A01Z&secure%5Bdisplayable_resource_id%5D=152&secure%5Bdisplayable_resource_type%5D=Category&secure%5Bmedium%5D=sponsored&secure%5Bplacement_reason%5D=neighbor_category&secure%5Bplacement_resource_ids%5D%5B%5D=152&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=158589&secure%5Bresource_id%5D=1005293&secure%5Bresource_type%5D=Category&secure%5Bsource_type%5D=category_page&secure%5Bsource_url%5D=https%3A%2F%2Fwww.g2.com%2Fcategories%2Fe-signature-apis%2Fmid-market&secure%5Btoken%5D=6e2d3c60b1ea3ac73669c19abde0e1d36bd1f686b66485347ea9c4f4dd7a59fa&secure%5Burl%5D=https%3A%2F%2Fboldsign.com%2F&secure%5Burl_type%5D=free_trial)

[
PandaDoc API
](https://www.g2.com/products/pandadoc-api/reviews)

By [PandaDoc](https://www.g2.com/sellers/pandadoc)

[

4.6/5(130)

](https://www.g2.com/products/pandadoc-api/reviews)

What do users say?

Users consistently praise the ease of use and seamless integration of the PandaDoc API, highlighting its intuitive interface that simplifies document creation and e-signatures. Many appreciate how it

Pros and Cons

[
Ease of Use (45)
](https://www.g2.com/products/pandadoc-api/reviews?qs=pros-and-cons)[
Missing Features (8)
](https://www.g2.com/products/pandadoc-api/reviews?qs=pros-and-cons)

[
Docusign
](https://www.g2.com/products/docusign/reviews)

By [Docusign](https://www.g2.com/sellers/docusign)

[

4.5/5(2,625)

](https://www.g2.com/products/docusign/reviews)

What do users say?

Users consistently praise the ease of use and efficiency of DocuSign, highlighting how it simplifies the document signing process and saves time. Many appreciate its intuitive interface, which allows

Pros and Cons

[
Ease of Use (75)
](https://www.g2.com/products/docusign/reviews?qs=pros-and-cons)[
Expensive (27)
](https://www.g2.com/products/docusign/reviews?qs=pros-and-cons)

[
Signify
](https://www.g2.com/products/signify-signify/reviews)

By [Signify](https://www.g2.com/sellers/signify-c43861d1-1c92-4424-a554-3f971f9cd66a)

[

4.9/5(138)

](https://www.g2.com/products/signify-signify/reviews)

What do users say?

Users consistently praise Signify for its ease of use and time-saving capabilities, making document signing and management straightforward and efficient. The platform's intuitive interface allows for

Pros and Cons

[
Ease of Use (47)
](https://www.g2.com/products/signify-signify/reviews?qs=pros-and-cons)[
Document Management (4)
](https://www.g2.com/products/signify-signify/reviews?qs=pros-and-cons)

[
GetAccept
](https://www.g2.com/products/getaccept/reviews)

By [GetAccept Inc.](https://www.g2.com/sellers/getaccept-inc)

[

4.6/5(1,267)

](https://www.g2.com/products/getaccept/reviews)

What do users say?

Users consistently praise the ease of use and strong customer support provided by GetAccept, highlighting how it simplifies document management and enhances the sales process. The platform's intuitive

Pros and Cons

[
Ease of Use (72)
](https://www.g2.com/products/getaccept/reviews?qs=pros-and-cons)[
Missing Features (13)
](https://www.g2.com/products/getaccept/reviews?qs=pros-and-cons)

[
DropBox Sign API
](https://www.g2.com/products/dropbox-sign-api/reviews)

By [Dropbox](https://www.g2.com/sellers/dropbox)

[

4.2/5(47)

](https://www.g2.com/products/dropbox-sign-api/reviews)

What do users say?

Users consistently praise the ease of use and fast turnaround of the DropBox Sign API, highlighting its ability to streamline document signing processes. Many appreciate the convenience of template re

Pros and Cons

[
Ease of Use (4)
](https://www.g2.com/products/dropbox-sign-api/reviews?qs=pros-and-cons)[
E-Signature Issues (3)
](https://www.g2.com/products/dropbox-sign-api/reviews?qs=pros-and-cons)

[
Foxit eSign
](https://www.g2.com/products/foxit-esign/reviews)

By [Foxit](https://www.g2.com/sellers/foxit)

[

4.6/5(1,480)

](https://www.g2.com/products/foxit-esign/reviews)

What do users say?

Users consistently praise the ease of use and quick signing process of Foxit eSign, highlighting its intuitive interface that simplifies document management. Many appreciate its seamless integration w

Pros and Cons

[
Ease of Use (80)
](https://www.g2.com/products/foxit-esign/reviews?qs=pros-and-cons)[
Limited Features (15)
](https://www.g2.com/products/foxit-esign/reviews?qs=pros-and-cons)

[
OneSpan Sign
](https://www.g2.com/products/onespan-sign/reviews)

By [OneSpan](https://www.g2.com/sellers/onespan)

[

4.7/5(784)

](https://www.g2.com/products/onespan-sign/reviews)

What do users say?

Users consistently praise the product for its ease of use and intuitive interface, which simplifies the document signing process and enhances workflow efficiency. Many appreciate the strong customer s

Pros and Cons

[
Ease of Use (6)
](https://www.g2.com/products/onespan-sign/reviews?qs=pros-and-cons)[
Confusing (2)
](https://www.g2.com/products/onespan-sign/reviews?qs=pros-and-cons)

Spotlight Categories

[Accounts Receivable Software](https://www.g2.com/categories/accounts-receivable)

[Contract Lifecycle Management (CLM) Software](https://www.g2.com/categories/contract-lifecycle-management-clm)

[Project Management Software](https://www.g2.com/categories/project-management)

[Customer Success Software](https://www.g2.com/categories/customer-success)

[Online Reputation Management Software](https://www.g2.com/categories/online-reputation-management)

Similar Categories

- [Cloud Platform as a Service (PaaS)](/categories/cloud-platform-as-a-service-paas)
- [Integrated Development Environments (IDE)](/categories/integrated-development-environments-ide)
- [Software Testing](/categories/software-testing)
- [Communication Platform as a Service (CPaaS)](/categories/communication-platform-as-a-service-cpaas)
- [Help Authoring Tool (HAT)](/categories/help-authoring-tool-hat)

- [Other Development](/categories/other-development)
- [AI Documentation Generators](/categories/ai-documentation-generators)
- [API Development](/categories/api-development)
- [API Documentation Management](/categories/api-documentation-management)
- [API Generation](/categories/api-generation)

- [API Management](/categories/api-management)
- [API Marketplace](/categories/api-marketplace)
- [API Mocking](/categories/api-mocking)
- [API Platforms](/categories/api-platforms)
- [Application Development](/categories/application-development)

[Browse E-Signature APIs Themes](/categories/e-signature-apis/themes)

 ![Adam Crivello](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Adam Crivello")
AC

Researched and written by [Adam Crivello](https://research.g2.com/insights/author/adam-crivello)

Updated 

Products classified in the overall E-Signature APIs category are similar in many regards and help companies of all sizes solve their business problems. However, medium-sized business features, pricing, setup, and installation differ from businesses of other sizes, which is why we match buyers to the right Medium-Sized Business E-Signature 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 Medium-Sized Business E-Signature APIs category.

In addition to qualifying for inclusion in the E-Signature APIs Software category, to qualify for inclusion in the Medium-Sized Business E-Signature APIs Software category, a product must have at least 10 reviews left by a reviewer from a medium-sized business.

Show More