- Switch to BoldSign: Focused, Secured, and Feature-Rich
HelloSign API Alternative
Switch to a developer-first eSignature API that’s easy to integrate and built to scale. Embed contract sending and signing directly in your app—with no endpoint-based restrictions.
- No overages
- No limits
- All features included
Trusted by 50,000+ businesses worldwide
Why teams choose BoldSign API as a HelloSign API alternative
BoldSign provides competitive pricing and reliable value for businesses that need affordability with dependable features.
No endpoint—based charges
BoldSign offers full API access—including embedded sending and signing—for just $0.75 per request. No locked endpoints or surprise fees.
Powerful API
BoldSign's API delivers high performance for high—volume workflows. Enjoy custom fields, unlimited sender identities, and embedded features at no extra cost.
Active development
BoldSign is an independent platform focused solely on eSignatures. New features and improvements are released frequently—see our What's New page for the latest updates.
Coding assistance
Need help with integration? Just tell us what you’re building, and we’ll share ready-to-use code in your preferred language—Python, .NET, Node.js, PHP, and more.
99.99% uptime (SLA-backed)
Keep signing workflows available month over month. BoldSign has maintained 99.999% uptime over the past few years.
Live chat support
Connect directly with our developer support team through live chat. Regardless of your plan, you receive fast, reliable assistance that helps speed up your integration process.
Pay-as-you-go
Only pay for what you use. BoldSign’s flexible pay‑as‑you‑go model adapts to your business needs—giving you simple, scalable pricing without unnecessary overhead.
Identity verification
Ensure signer authenticity with secure methods like government ID proof, biometric facial recognition, OTPs via email/SMS, and access codes.
Unlimited sender identities
Act on behalf of multiple users by setting up sender identities with their consent. Send documents, manage access, and control workflows without limits.
API comparison
A concise comparison of API features and functionalities between BoldSign and HelloSign.
BoldSign
HelloSign
Price per envelope
$0.75 per envelope in
Enterprise plan
$2.5 per envelope in
Starter plan
Pay as You Go
Yes
Embedded send
Yes
Yes
Embedded sign
Yes
Yes
Embedded template creation
Yes
Custom branding
Yes
Embedded mobile responsive
Yes
Yes
Send document on behalf (Without account)
Yes
Text tags
Yes
Yes
SMS Delivery
Yes
Automatic PDF fields detection
Yes
Signer Attachments
Yes
Yes
Custom fields
Yes
Multitenant SaaS app integration
Yes
Data Residency
Yes
Webhooks
Yes
Yes
SDK Availability
Yes
Yes
Developer Console
Yes
Yes
Free support
Yes
Yes
Live chat
Yes
- Disclaimer : This page contains product comparisons based on publicly available information as of Jan 2026 and may change.
Interested in BoldSign pricing plan?
With BoldSign Electronic Signature Software, you don’t have to deal with hidden document limits, feature limitations, or unexpected overage charges.
Legally Valid.
Fully Secure.
Always Compliant.
BoldSign meets top global standards like SOC 2, GDPR, HIPAA, and PCI DSS. Every signature is legally enforceable under the ESIGN Act, eIDAS, and global laws. With AES-256 encryption, your data stays protected from start to finish.
Don't take our word for it.
Check out our reviews on G2 to see what customers have to say about BoldSign.
Great and Simple product
I was looking for a simple and easy to use system that was not going to break the bank. Bold Sign delivers in all aspects. Easy to use and outstanding cost structure.
Abraham M.
Posted on April 28, 2025
Great experience with BoldSign
BoldSign streamlines our document signing process. Its intuitive design and reliable customer service make it a pleasure to use. The software is very user friendly.
Kevin R.
Posted on March 11, 2025
Very satisfied with BoldSign
BoldSign is easy to use and has been a seamless integration into our workflow. Very user friendly and easy to navigate. Customer service is helpful and responsive.
Cassie S.
Posted on March 25, 2025
Built to scale with your business
Close deals faster, cut costs, and stay compliant. From startups to global enterprises, thousands trust BoldSign to simplify document signing.
Years in business
Customers
Countries
Built-in features
Frequently asked questions
At BoldSign, we strive to offer a competitive pricing structure that reflects the value and features we provide to our customers. Our pricing plans are designed to be clear and transparent, with no hidden fees. We believe in providing excellent value for money by delivering high-quality service at a competitive price. For more details, refer to our pricing page.
Yes, BoldSign offers volume discounts—pricing becomes more favorable with increased usage. Our rates are designed to offer greater cost efficiency as your volume grows.
Yes, BoldSign is highly secure. We are SOC 2® Type 2 compliant, meaning we meet strict requirements for data security and privacy through regular audits.
Nonprofits get the Growth Plan free forever, plus 50% off all other plans—with no hidden costs. For details, visit our nonprofit electronic signature solutions page.
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