DocuSign API
DocuSign offers an extensive REST platform at developers.docusign.com: eSignature, CLM, Rooms, Click, Monitor, and Admin APIs with OAuth 2.0 and SDKs in six languages. Developer accounts are free, but production requires the Go-Live review and paid API plans starting near $600 per year.
Frequently asked questions
DocuSign scores A on the API Report Card. DocuSign offers an extensive REST platform at developers.docusign.com: eSignature, CLM, Rooms, Click, Monitor, and Admin APIs with OAuth 2.0 and SDKs in six languages. Developer accounts are free, but production requires the Go-Live review and paid API plans starting near $600 per year.
DocuSign has a workable official integration path. Most engineering teams can build against it directly. Open API: self-serve, documented, with SDKs
DocuSign is the dominant electronic signature and agreement management vendor, founded in 2003 and headquartered in San Francisco (NASDAQ: DOCU). It serves approximately 1.7 million customers worldwide including 95% of Fortune 500 companies.
Primary vertical: misc (horizontal SaaS sold across nearly every industry). Closest Supergood sub-vertical: Contract Lifecycle Management, DocuSign's IAM positioning explicitly targets the full agreement lifecycle. A mortgage lender originating a loan generates closing documents in their LOS, pushes them to DocuSign via the eSignature REST API as an envelope with tabs (signature, initials, date, SSN), routes recipients in serial order (borrower → co-borrower → notary via DocuSign Notary), uses DocuSign Identify for ID verification, and listens to DocuSign Connect webhook events for envelope-sent / delivered / completed / declined / voided.
Very high. DocuSign holds roughly 67% market share in digital document management / eSigning per recent industry data and is the category-defining brand, 'docusigning' is used as a verb in many enterprise procurement and sales orgs.
DocuSign sits squarely on the revenue and compliance critical path for nearly every enterprise that uses it.
Founded in 2003. eSignature API has been continuously evolved; the current REST API is v2.1 with v2 still widely deployed by integrators.
Grades measure one thing: can a customer's engineering team get their own data out programmatically? We check six things (whether a real API exists, how access is gated, data coverage, auth quality, docs and developer experience, and stability) and roll them into a letter grade. Grades get re-verified, and they only move on evidence.