# coss.com vs DocuSign (https://coss.com/compare/docusign)

> DocuSign covers more signature levels, compliance programs and integrations. coss.com Sign puts embedded, sealed e-signatures on your API key.

DocuSign eSignature is the reference for e-signatures: advanced and qualified signatures with identity verification, bulk sending, mobile apps and over a thousand integrations. coss.com Sign is for products that ask their own users to sign: simple electronic signatures under ESIGN, UETA and eIDAS, embedded in your app or by email, sealed as PAdES with a hash-chained audit trail.

Facts about DocuSign checked on 2026-10-30 against the sources listed below.

## At a glance

| | coss.com | DocuSign |
| --- | --- | --- |
| API pricing | Metered per completed signature request; see coss.com/pricing | Starter $50 a month (40 envelopes), Intermediate $300 (100), Advanced $480 (100), Enhanced custom |
| Embedded signing | Every request: signers sign in your app through a signing session | Enhanced API plans only |
| Email signing | Invitations in signing order, reminders, expiry, signed copies, from your own address | Yes |
| Templates | Roles, merge fields, and a builder you embed in your app | Reusable templates on every API plan; locked templates on Advanced |
| Bulk send | — | Advanced and up |
| Signature levels | Simple electronic signatures (ESIGN, UETA, eIDAS) | Simple, advanced (AES) and qualified (QES) with identity verification |
| Completed document | A PDF sealed as PAdES, with certificate pages and the audit trail | — (Not compared: see DocuSign's docs) |
| Audit trail | Append-only and hash-chained, with webhooks and log lines for every step | — (Not compared: see DocuSign's docs) |
| Compliance programs | — | ISO 27001:2022, SOC 1 and SOC 2 Type 2, PCI-DSS; supports HIPAA and 21 CFR Part 11 (coss.com doesn't list certifications here) |
| Integrations and apps | The coss.com API key, SDK and webhooks | 1,100+ integrations, iOS and Android apps |
| Testing | Sandbox environments with the same API | Free developer account in a demo environment |

## When DocuSign is the better choice

- **You need advanced or qualified signatures.** DocuSign offers AES and QES under eIDAS with identity verification. coss.com Sign makes simple electronic signatures only.
- **Compliance reviews ask for certificates.** DocuSign holds ISO 27001, SOC 1 and SOC 2 Type 2 and PCI-DSS, and supports HIPAA and 21 CFR Part 11.
- **You send in bulk or work in other tools.** Bulk send, PowerForms, 1,100+ integrations, and iOS and Android apps.

## When coss.com is the better choice

- **Signing inside your product.** Every request can have embedded signers who sign in your app, with mountSigning from the coss package and the signing page's events.
- **A record you can check yourself.** A hash-chained audit trail, document hashes, and a completed PDF sealed as PAdES: any later change shows.
- **Templates your users build.** Embed the template builder so your customers place their own fields, then create requests from a template with merge fields.
- **Same account as everything else.** One API key, webhooks, logs and sandbox environments with email, SMS and Verify.

## Moving from DocuSign

1. **Map envelopes to requests.** An envelope becomes a signature request: documents as uploaded or inline PDFs, recipients as signers, tabs as fields placed by position or by a text anchor in the PDF. (/docs/sign/fields-and-anchors)
2. **Recreate templates.** Template roles and fields map to coss.com templates; create requests from them with one signer per role and merge fields for text. (/docs/sign/templates)
3. **Move to webhooks.** DocuSign's event notifications become sign_request.* webhooks; sign_request.completed means the sealed PDF is ready to download. (/docs/sign/completion-and-audit-trail)

## Frequently asked questions

### Are coss.com signatures legally binding?

They are simple electronic signatures under the US ESIGN Act and UETA and the EU's eIDAS: each signer consents, signs with a deliberate act and is identified, and the audit trail records each step.

### Does coss.com offer qualified electronic signatures?

No. coss.com Sign makes simple electronic signatures. For advanced or qualified signatures under eIDAS, DocuSign offers both with identity verification.

### Can signers sign inside my app?

Yes. Signers marked embedded sign in an iframe you open with a signing session, and your page gets events as they view, sign or decline.

### What do I get when everyone has signed?

A completed PDF with every field drawn in, certificate pages with the signers, hashes and the audit trail, sealed as PAdES so any change shows.

## Sources

- [DocuSign developer API plans](https://ecom.docusign.com/plans-and-pricing/developer)
- [DocuSign: advanced electronic signatures](https://www.docusign.com/en-gb/products/electronic-signature/advanced-electronic-signature)
- [DocuSign: eIDAS](https://www.docusign.com/learn/eidas)
- [DocuSign compliance](https://www.docusign.com/trust/compliance)
- [DocuSign eSignature](https://www.docusign.com/products/electronic-signature)