Best eSignatures.com API Alternatives in 2026
The top eSignatures.com API alternatives are Adobe Acrobat Sign, BoldSign and Documenso: 15 electronic signature APIs our editors would look at instead of eSignatures.com API, in our ranking order.
eSignatures.com API: A focused API for teams that want embedded signing without monthly or seat fees. Where it falls short: optional SMS delivery and live photo ID verification cost extra.
Switching from eSignatures.com API? For most electronic signature apis buyers the best eSignatures.com API alternative is Adobe Acrobat Sign, built for enterprise API signing and integrations. On a budget, BoldSign starts at $5/user/mo. BoldSign has a free plan, which eSignatures.com API does not. Document eSign API offers the most maximum signers (10).
Why People Look for an eSignatures.com API Alternative
- Optional SMS delivery and live photo ID verification cost extra
- Platform coverage is limited to web and API
- Integrations are limited to Zapier, Make, Google Drive, and Claude
- No free plan — 7 of the alternatives below have it
Quick Picks by What You Need
- Best overallAdobe Acrobat Sign9.4
Enterprise API signing and integrations
Visit Adobe Acrobat Sign - Lowest priceBoldSign8.9
Paid plans from $5/user/mo
Visit BoldSign - Best free optionBoldSign8.9
Has a free plan (eSignatures.com API has none)
Visit BoldSign - Most maximum signersDocument eSign API7.9
10
Visit Document eSign API
All 15 eSignatures.com API Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forEnterprise API signing and integrations
- Better than eSignatures.com API:
- Editor score 9.4 vs 8.0
A capable enterprise signing API with broad workflows, integrations, and no free plan.
- Bulk sending
9.4/10★★★★★Visit site -
Best forLow-cost API signing with broad features
- Better than eSignatures.com API:
- Free plan
- Editor score 8.9 vs 8.0
A low-cost signing API with embedded workflows, automation, and broad integrations.
- Bulk sending
8.9/10★★★★☆Visit BoldSign -
Best forSelf-hosted and open-source API signing
- Better than eSignatures.com API:
- Free plan
- Editor score 8.9 vs 8.0
A flexible signing API for teams that want open-source control and self-hosting.
- Bulk sending
8.9/10★★★★☆Visit Documenso -
Best forAPI signing with identity and bulk workflows
- Better than eSignatures.com API:
- Editor score 8.9 vs 8.0
A developer-focused signing API with identity, bulk sending, callbacks, and templates.
- Webhooks
- Embedded signing
- Templates
8.9/10★★★★☆Visit Scrive API -
Best forSimple, affordable embedded signing
- Better than eSignatures.com API:
- Free plan
- Editor score 8.9 vs 8.0
A practical, affordable API for embedded signing, templates, and document automation.
- Bulk sending
8.9/10★★★★☆Visit SignWell -
Best forFeature-rich API signing for growing teams
- Better than eSignatures.com API:
- Editor score 8.6 vs 8.0
A feature-rich signing API for teams building signature workflows into business software.
- Webhooks
- Embedded signing
- Templates
8.6/10★★★★☆Visit Blueink -
Best forOpen-source API signing with identity checks
- Better than eSignatures.com API:
- Free plan
- Editor score 8.5 vs 8.0
A flexible signing platform for developers and organizations that need open-source options.
- Bulk sending
8.5/10★★★★☆Visit DocuSeal -
Best forMature, full-featured API programs
- Better than eSignatures.com API:
- Free plan
- Editor score 8.3 vs 8.0
A mature eSignature API platform with broad integrations, automation, and flexible workflows.
- Bulk sending
8.3/10★★★★☆Visit DocuSign -
Best forHospitality and payment-linked signing
- Better than eSignatures.com API:
- Editor score 8.2 vs 8.0
A specialized signing and payment workflow platform for hospitality and travel teams.
- Bulk sending
8.2/10★★★★☆Visit Sertifi -
Best forSecure enterprise API signing
- Better than eSignatures.com API:
- Editor score 8.1 vs 8.0
A feature-rich signing API for regulated organizations, with paid plans and enterprise controls.
- Bulk sending
8.1/10★★★★☆Visit OneSpan Sign -
Best forEstablished API signing with broad authentication
- Better than eSignatures.com API:
- Free plan
A mature signing platform with API embedding, broad authentication, and a free plan.
- Bulk sending
7.9/10★★★★☆Visit Foxit eSign -
Best forMobile and enterprise signing with authentication
A capable choice for authenticated signing, bulk workflows, and enterprise integrations.
- Bulk sending
7.9/10★★★★☆Visit Foxit eSign -
Best forBroad-platform API signing in a business suite
- Better than eSignatures.com API:
- Free plan
A broad-platform signing API with free entry and enterprise workflow coverage.
- Bulk sending
7.9/10★★★★☆Visit Zoho Sign -
Best forStraightforward API signing with sealed PDFs
A focused signing API with templates, webhooks, and sealed PDFs.
- Webhooks
- Embedded signing
- Templates
7.9/10★★★★☆Visit site -
Best forFocused API signing with strong authentication
A focused signing API with Nordic identity methods, templates, and embedded workflows.
- Embedded signing
- Templates
7.9/10★★★★☆Visit Assently
eSignatures.com API Alternatives: Common Questions
What is the best alternative to eSignatures.com API?
Adobe Acrobat Sign: #1 in our Electronic Signature APIs ranking, with an editor score of 9.4 out of 10. A capable enterprise signing API with broad workflows, integrations, and no free plan.
Is there a free alternative to eSignatures.com API?
Yes. BoldSign, Documenso, SignWell, DocuSeal and DocuSign eSignature have a free plan or a free tier (7 of the 15 alternatives on this page).
What is the cheapest paid alternative to eSignatures.com API?
Of the alternatives here that publish a price, BoldSign starts lowest, at $5/user/mo.
Why do people look for eSignatures.com API alternatives?
Optional SMS delivery and live photo ID verification cost extra; Platform coverage is limited to web and API; Integrations are limited to Zapier, Make, Google Drive, and Claude.
Which eSignatures.com API alternative has the most maximum signers?
Document eSign API, with 10.
How do I switch from eSignatures.com API?
Export your data from eSignatures.com API (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel eSignatures.com API.
How to Switch from eSignatures.com API
- Export your data from eSignatures.com API (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel eSignatures.com API.
eSignatures.com API vs Each Alternative
| # | Tool | Free plan | Paid from | Score |
|---|---|---|---|---|
| 11 | eSignatures.com API | No | $0.49/unit usage-based | 8.0 |
| 1 | Adobe Acrobat Sign | No | 9.4 | |
| 2 | BoldSign | Yes | $5/user/mo | 8.9 |
| 3 | Documenso | Yes | $25/mo | 8.9 |
| 4 | Scrive API | No | 8.9 | |
| 5 | SignWell | Yes | $10/mo | 8.9 |
| 6 | Blueink eSignature API | No | $90/mo | 8.6 |
| 7 | DocuSeal | Yes | $200/user/yr | 8.5 |
| 8 | DocuSign eSignature | Yes | $11/user/mo | 8.3 |
| 9 | Sertifi by Flywire | No | 8.2 | |
| 10 | OneSpan Sign | No | $22/user/mo | 8.1 |
| 11 | Foxit eSign | Yes | 7.9 | |
| 12 | eSign Genie (now Foxit eSign) | No | 7.9 | |
| 13 | Zoho Sign | Yes | 7.9 | |
| 14 | Document eSign API | No | $20/mo | 7.9 |
| 15 | Assently API | No | €255/mo | 7.9 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update