Freedom251 › Electronic Signature APIs
Document eSign API
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Document eSign API | $20 a month includes 40 envelopes; $0.40 per envelope · 40 envelopes included · free sandbox for building and testing · no per-seat fees · custom volume pricing for high volume and white-label deployments | $20 a month |
As documentesign.com lists them, read 7 Oct 2026. The maker's own page has the final word.
Facts from Document eSign API's own pages
- Documentation
- The API reference is available to read without an account and the maker publishes an OpenAPI 3.1 specification. · documentesign.com, 7 Oct 2026
- Embedded signing
- Signing sessions can open in an iframe or redirect, with white-label branding and a custom domain. · documentesign.com, 7 Oct 2026
- Founded
- 2021 · documentesign.com, 28 Sept 2026
- Integration format
- The API uses plain JSON over HTTPS and the maker says it works with any language that has an HTTP client. · documentesign.com, 7 Oct 2026
- Intended users
- The API is presented for developers adding embedded electronic signatures to a SaaS app or product. · documentesign.com, 7 Oct 2026
- Legal validity
- The maker says API signatures are binding under the U.S. ESIGN Act, UETA, and EU eIDAS regulation. · documentesign.com, 7 Oct 2026
- Maker
- Document eSign is a product of Angular Minds Private Limited. · documentesign.com, 7 Oct 2026
- Notable limit
- One envelope is one document package, regardless of its number of signers or pages. · documentesign.com, 7 Oct 2026
- Purpose
- The REST API lets SaaS products send documents for signature, collect signatures, and track signing status in code. · documentesign.com, 7 Oct 2026
- Sandbox access
- Sandbox building and testing are free, but API access is currently granted per account by request rather than open self-service signup. · documentesign.com, 7 Oct 2026
- Security and evidence
- The API page specifies AES-256-GCM at rest, TLS 1.3 in transit, SHA-256 document hashes, PAdES-B-LT signatures, independent timestamps, and a completion certificate with signer email, IP, and timestamp. · documentesign.com, 7 Oct 2026
- Templates and fields
- The API supports reusable templates, positioned signature and form fields, and prefilled signer details and field values. · documentesign.com, 7 Oct 2026
- Webhooks
- Signed webhook events report when documents are sent, viewed, signed, completed, declined, or expired, with delivery retries on failure. · documentesign.com, 7 Oct 2026
Where Document eSign API stands on Freedom251
- Electronic Signature APIs#6 of 27