BOLDSIGN ALTERNATIVE

A BoldSign Alternative with PDF Generation and a Free Production Plan

BoldSign's API starts at $30/month for 40 envelopes, charged per envelope sent. eSignature API gives you 50 documents free in production, charges 10 credits only when a document is completed, and generates the PDF for you in the same platform.

Trustpilot 4.4/5
ESIGN Act
UETA
eIDAS
SOC 2 Type II
HIPAA

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At a glance

eSignature API compared with BoldSign at a glance
	BoldSign	eSignature API
Starting API price	$30/month (40 envelopes)	Free — 50 documents/month
Pricing model	Per envelope sent ($0.75 overage)	Credits (10 per signed doc)
Free production plan	No (sandbox only, watermarked)	Yes — 50 docs, no watermark
PDF generation	No	Yes — built in
Regional endpoints	US, EU, Canada, Australia	US, EU, Singapore, Australia
HIPAA	Business plan and above	Yes — all plans
SDKs	.NET, Python, Node.js, PHP, Java	REST API + Zapier, Make, HubSpot, n8n, Bubble

Why developers switch from BoldSign

PDF generation included

BoldSign handles signing — it does not generate documents. You need a separate PDF tool to create the document and pass it to BoldSign. eSignature API generates PDFs from templates and collects signatures in the same workflow.

Free plan in production

BoldSign's free sandbox watermarks every document and deletes them after 14 days — it cannot be used for real business. eSignature API's free plan produces 50 fully valid, legally binding documents per month with no watermark.

Charged on completion, not on send

BoldSign charges per envelope sent for signature. If a recipient never signs, the envelope still counts. eSignature API charges 10 credits only when a document is signed and completed.

Singapore endpoint included

BoldSign offers US, EU, Canada, and Australia data residency. eSignature API additionally covers Singapore — useful for teams serving Southeast Asian users who need data residency in the region.

Full feature comparison

Full feature comparison between BoldSign and eSignature API
Feature	BoldSign	eSignature API
Signing
Draw signature	Yes	Yes
Type signature	Yes	Yes
Upload signature	Yes	Yes
Sequential signing	Yes	Yes
Parallel signing	Yes	Yes
Recipient roles	Signer, CC, approver (Enterprise)	5 roles: signer, approver, viewer, form filler, CC
Field types	Basic and advanced (Enterprise plan)	10 field types — all plans
Platform
PDF generation	No	Yes
REST API	Yes	Yes
Webhooks	Yes — Enterprise API	Yes — all plans
Embedded signing	Yes — Enterprise API	Yes — all plans
Embedded requesting	Yes — Enterprise API	Yes
Custom branding	Yes — Enterprise API	Yes
SDKs	.NET, Python, Node.js, PHP, Java	REST API + no-code integrations
Compliance
ESIGN Act	Yes	Yes
UETA	Yes	Yes
eIDAS	Yes (QES available as add-on)	SES
SOC 2 Type II	Yes	Yes
HIPAA	Business plan and above	Yes — all plans
Pricing
Free production plan	No (sandbox only, watermarked, 14-day deletion)	Yes — 50 docs/month
Entry API price	$30/month (40 envelopes)	Free
Pricing model	Per envelope sent	Credits per completed doc
Regional endpoints	US, EU, Canada, Australia	US, EU, Singapore, Australia

BoldSign pricing and features verified from boldsign.com/electronic-signature-pricing/, August 2026. Subject to change.

When BoldSign is still the right choice

BoldSign is a genuinely developer-friendly API built by Syncfusion, a company with 25 years of software infrastructure experience. It remains the stronger choice in several cases:

Broader SDK coverage — BoldSign offers official SDKs in .NET, Python, Node.js, PHP, and Java with strong documentation. eSignature API is REST-first with no language-specific SDKs.
AI-powered features — BoldSign's Enterprise API includes AI-powered field detection, AI Search, and MCP (Model Context Protocol) integration for AI agent workflows. eSignature API does not currently offer these.
QES support — BoldSign offers Qualified Electronic Signatures as an add-on for regulated EU markets requiring the highest assurance level. eSignature API supports SES only.
Canada data residency — BoldSign explicitly supports Canada as a data residency region. eSignature API covers US, EU, Singapore, and Australia but not Canada.
Unlimited envelope plans for web app — for teams that primarily sign through the BoldSign web interface rather than the API, the Business plan at $15/month/user offers unlimited envelopes.

Pricing comparison

BoldSign API pricing (verified August 2026)

Plan	Price	Envelopes
Free Sandbox	Free	Testing only — watermarked, deleted after 14 days
Enterprise API	$30/month	40 envelopes included, then $0.75 per envelope
Custom	Contact sales	High-volume pricing

Key notes on BoldSign pricing:

Envelopes are counted when sent, not when completed. Unsigned envelopes still consume quota.
Sandbox documents are watermarked "This is a test document" and automatically deleted after 14 days.
HIPAA is only available on Business plan and above (web app) — confirm for API plans directly with BoldSign.
QES is an add-on with additional cost on all plans.
SMS delivery, WhatsApp notifications, bulk send, and ID verification are paid add-ons.

eSignature API pricing

Plan	Price	Documents
Free	$0	50 documents/month, no watermark, full production use
Paid	Credit-based	10 credits per signed document

See full eSignature API pricing

Switch from BoldSign in 3 steps

Create your free account

Sign up at eSignature API — no credit card. Your free plan is live immediately with 50 real, legally binding documents per month.

Build or import your templates

Create document templates in the drag-and-drop editor or upload existing PDFs. Place signature fields, text fields, and routing logic — no separate document tool needed.

Update your integration

Replace your BoldSign API calls with eSignature API endpoints. Both are standard REST. The main difference: one call now handles both document generation and signature collection.

Common questions

Is eSignature API a good BoldSign alternative for developers?

Yes, particularly if you need PDF generation in the same platform, a free production plan without watermarks, or credit-based pricing that only charges on completion. BoldSign is stronger if you need language-specific SDKs, AI-powered features, QES support, or Canada data residency.

How does eSignature API pricing compare to BoldSign?

BoldSign's API starts at $30/month for 40 envelopes, charged per envelope sent regardless of outcome. eSignature API has a free plan with 50 real production documents per month. Paid plans charge 10 credits per completed signed document — not per send.

Does BoldSign's sandbox work for real documents?

No. BoldSign's free sandbox watermarks every document with "This is a test document" and automatically deletes them after 14 days. It cannot be used for legally binding production documents. eSignature API's free plan produces fully valid signed documents in production from day one.

Does eSignature API have SDKs like BoldSign?

BoldSign offers official SDKs in .NET, Python, Node.js, PHP, and Java. eSignature API is REST-first with no-code integrations via Zapier, Make, HubSpot, n8n, and Bubble. If language-specific SDKs are a requirement, BoldSign has stronger coverage.

Can eSignature API generate PDFs like a template system?

Yes. eSignature API is built on CraftMyPDF's template engine. You design a document template, pass dynamic data via API, and the platform generates the PDF and sends it for signing in one call. BoldSign does not offer document generation — it only handles the signing step.

Which regions does eSignature API support for data residency?

eSignature API provides endpoints in the US, EU, Singapore, and Australia. BoldSign covers US, EU, Canada, and Australia. If Canada data residency is a requirement, BoldSign is the better fit.

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50 real documents per month. No watermark. No credit card. No per-envelope fees.

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