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Zero Middleware
Native WordPress runtime execution with 0 SaaS latency.
GPLv2 Licensed
100% unencrypted code. Inspect, extend, and deploy freely.
PHP 8.3 Ready
Tested against WP 6.7+ & Gravity Forms 2.9+ core.
WordPress Add-onv1.0.0
Formidable HelloSign (Dropbox Sign) API Pro
White-labeled embedded signing widgets & instant PDF completion callbacks.
4.9(1,200+ developers)
480 downloads
Billed annually
All-Access Pass
Explore →Unlock All 400+ Plugins for $199/yr
Unlimited sites, future releases & priority support.
Included With Your Purchase
Instant ZIP Download — Clean, unencrypted GPLv2 code
1-Click Automatic Updates — Directly from WordPress Admin
1 Year Priority Ticket Support — Answers in <4 hours
30-Day Money-Back Guarantee — 100% risk-free trial
100% Risk-Free 30-Day GuaranteeIf this add-on does not solve your exact Gravity Forms workflow requirement, our engineering team will resolve it or issue a prompt 100% refund.
256-Bit SSL Encrypted View Documentation
Core Capabilities
- Official Dropbox Sign (HelloSign) API v3 integration
- Embedded signing iframe with seamless white-label branding
- Template-based and file-based signature request generation
- Multi-signer routing with distinct roles and merge tags
- Event callback webhook receiver with SHA-256 HMAC verification
- Automatic storage of executed PDF and signing audit trail
Technical Specifications
Versionv1.0.0 (Production)
PlatformWordPress
PHP Compatibility8.0 – 8.3+
WordPress Compatibility6.0 – 6.7+
LicenseGPLv2
Updates1-Click Automatic
Architectural
Overview
Formidable HelloSign API Pro connects Formidable Forms with Dropbox Sign. Send signature requests, embed signing iframe directly into form completion steps, and archive executed contracts securely.
Frequently Asked Questions
Frequently Asked Questions
How do I install and configure Formidable HelloSign (Dropbox Sign) API Pro?
Download the signed ZIP file from GravityHive, navigate to Plugins → Add New → Upload Plugin in your WordPress admin, activate the plugin, and enter your license key under Form Settings → GravityHive Licenses to enable automated 1-click updates.
Is Formidable HelloSign (Dropbox Sign) API Pro compatible with WordPress Multisite and latest PHP?
Yes, Formidable HelloSign (Dropbox Sign) API Pro is fully tested and supported on PHP 8.0, 8.1, 8.2, and 8.3, WordPress 6.0+, and Gravity Forms 2.7, 2.8, and 2.9+, with full WordPress Multisite (WPMU) compatibility.
What is the refund policy for Formidable HelloSign (Dropbox Sign) API Pro?
GravityHive offers a 30-day risk-free money-back guarantee. If you encounter any technical issues our engineering team cannot resolve, you receive a prompt 100% refund.
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