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Top 6 E-Signature APIs Software SaaS Companies in May 2026

As of May 2026, there are 6 SaaS companies in E-Signature APIs Software. They have combined revenues of $34.2M and employ 280 people. They have raised $55.3M and serve 174.3K customers combined.

E-Signature APIs software enables the integration of electronic signing capabilities into various applications and workflows. This technology is primarily used to facilitate the signing of documents digitally, streamlining processes such as contract approvals, sales agreements, and other legal documents. The core functionality typically includes secure signing, real-time tracking, and integration with other business systems, enhancing overall efficiency and compliance. The typical user base for e-signature APIs includes developers, product managers, and business analysts who aim to embed signing functionality within their platforms. Common use cases span across various industries such as finance, healthcare, real estate, and human resources, where rapid document turnaround is critical. Organizations leverage e-signature APIs to automate workflows, reduce paper usage, and ensure legal validity in digital transactions.

Companies
6
Revenue
$34.2M
Funding
$55.3M
Employees
280

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Funding (Locked)Growth (Locked)Team-Size (Locked)

Top E-Signature APIs Software Companies

Showing 10 of 1 companies ranked by annual revenue.

1
Bold Commerce

Winnipeg, Manitoba, Canada

Operator of a software development company intended to provide e-commerce solutions for innovative brands. The company's suite of products address the core needs of wholesale and B2B merchants, including subscriptions, automation, personalization, payment experience, customization, loyalty, and retention, enabling clients to offer their services by integrating applications onto their platform and create a better shopping experience for their customers.

Revenue
$21.2M
Customers
86K
Year founded
2013
Funding
$45.3M
Team size
146
Growth
51.86%

Inclusion Criteria

- The software must enable electronic signing of documents securely. - It should allow integration with other business applications, such as CRMs or document management systems. - Must provide real-time tracking and audit trails for signed documents. - Should comply with industry standards for electronic signatures, such as eIDAS or ESIGN. - Not just a standalone e-signature platform; must also support API integration for developers.