Dropbox Sign

Legally binding eSignature platform with an API-first developer toolkit, formerly HelloSign.

Updated August 2026 · By the ERP Research Editorial Team · Independent and vendor-neutral.

Works with: Microsoft Dynamics 365SalesforceHubSpotNetSuiteOther ERP / business systems
Deployment: Cloud
Company size: SMB, Mid-market
Pricing: Per-user subscription (seat-based) for business plans; separate volume-based pricing for the API
Founded: 2011
Headquarters: San Francisco, California, United States

Overview

Dropbox Sign is an electronic signature service that lets teams prepare, send, sign, and track legally binding agreements online. Originally launched as HelloSign in 2011, it was acquired by Dropbox in 2019 for $230 million and rebranded to Dropbox Sign in 2022. The product covers the full signing workflow: uploading or templating a document, placing fields with drag-and-drop, routing it to one or more signers in a defined order, sending automated reminders, and storing a tamper-evident copy with a complete audit trail. Signatures are backed by the U.S. ESIGN Act and eIDAS, and the platform supports identity verification through access codes and SMS-based authentication.

A defining characteristic of Dropbox Sign is its API-first heritage. Alongside the web application, it ships a REST API with official SDKs in six languages (Python, Ruby, PHP, Java, Node.js, and C#), embedded signing and embedded requesting via iFrame, and a free test mode for development. This makes it a common choice for companies that want to build signing directly into their own product, onboarding flow, or back-office system rather than only signing documents through a web dashboard. API plans are priced separately from the seat-based business plans and scale by monthly signature-request volume.

For ERP and CRM workflows, Dropbox Sign offers prebuilt connectors for Salesforce (on the AppExchange) and Microsoft Dynamics 365, plus HubSpot, Greenhouse, and other business tools. Where a native connector does not exist, the REST API and Zapier provide a path to wire signing into ERP processes such as order confirmations, vendor agreements, or HR onboarding. The product is positioned toward small businesses, mid-market teams, and developers who want straightforward eSignature rather than full contract lifecycle management (CLM); deeper redlining, clause libraries, and negotiation features are outside its scope.

Screenshots & demo

Demo video from the vendor's YouTube channel.

Modules & capabilities

Dropbox Sign covers 30 of 54 capabilities we track in this category (+1 partial)

56%

Multi-format file supportPDF and Word documents
Supported
Reusable document templatesSaved template gallery
Supported
Rich field libraryDropdowns, radio buttons, checkboxes, clickable links
Supported
Conditional / dynamic fields
Supported
Field data validationReal-time field verification
Supported
Automatic field/form detection
Not evidenced
Data merge / pre-fillPre-populated and auto-filled fields
Supported
Self-service web forms
Not evidenced

“Not evidenced” means our research found no public documentation of this capability — the vendor may still offer it. Confirm on a demo.

Common use cases

Closing sales contracts and order forms directly from a CRM
Employee onboarding and HR paperwork (offer letters, policies)
NDAs and vendor/partner agreements
Embedding signing into a SaaS product's user flow via the API
Real estate and lease document signing
Fintech and lending account opening with identity checks
On-demand and gig-worker agreement collection

Strengths & considerations

Strengths

API-first design with embedded signing and SDKs in six languages, making it well suited to building signing into your own product
Native integration with Dropbox storage and the broader Dropbox ecosystem
Prebuilt Salesforce (AppExchange) and Microsoft Dynamics 365 connectors for CRM/ERP-adjacent workflows
Free test mode lets developers build against the full API before paying
Simpler, faster setup than enterprise CLM suites, with transparent published seat pricing

Considerations

Not a contract lifecycle management (CLM) tool; lacks redlining, clause libraries, and negotiation workflows
No native prebuilt connectors for NetSuite, SAP, or Oracle ERP; those require the API or Zapier
Standard plan requires a minimum of 2 users; Premium pricing is quote-only
Signature-request limits on lower tiers (5 on Essentials, 15 on Standard) can constrain higher-volume teams
Some advanced authentication (SMS) is metered and may incur additional cost

ERP integrations

Microsoft Dynamics 365Dropbox Sign for Microsoft Dynamics 365

Prebuilt connector

Bi-directionalRecordsSignature requests

Prepare, send, and sync eSignature documents inside Dynamics 365 (v9.2.2 and later).

Integration docs →

NetSuiteDropbox Sign + NetSuite (via Zapier / API)

Open API

Varies by connectorDocuments

No native connector; NetSuite integration is via Zapier or the Dropbox Sign REST API.

Integration docs →

Connector details independently verified against vendor marketplaces and documentation; last checked 2026-08-11.

Pricing

Model

Per-user subscription (seat-based) for business plans; separate volume-based pricing for the API

Starting price

$15/user/month (Essentials, billed monthly; ~$10.05/user/month billed annually)

Free trial

Yes

Essentials $15/user/mo (1 user, 5 signature requests). Standard $25/user/mo (min 2 users, 15 signature requests, branding, bulk send, integrations). Premium is custom-quoted (unlimited requests, SSO, SMS auth, data residency, advanced reporting). 30-day free trial. API plans priced separately starting at 50 requests/month with a free test mode. Dropbox accounts also include a small number of free signature requests per month. Get an independent shortlist with pricing guidance below.

Technical & security

Hosting: Vendor-hosted SaaS (Dropbox)
Compliance: SOC 2 Type II, ISO 27001, GDPR, eIDAS, HIPAA (BAA required), U.S. ESIGN Act
Mobile app: Yes
Languages: English, and 21 additional signer/sender languages (22 total)

About the vendor

Founded: 2011
Headquarters: San Francisco, California, United States
Ownership: Subsidiary of Dropbox, Inc. (acquired 2019 for $230M)
Notable customers: Intuit, Lyft, Samsung, Twitter

Alternatives to Dropbox Sign in eSignature

Adobe Acrobat SignCloud e-signature service for sending, signing, and tracking agreements.Box SignNative e-signature built into the Box content management platform.DocuSignElectronic signature and agreement management platform for sending, signing, and tracking documents.Foxit eSignLegally binding electronic signature and agreement workflow platform with open API.GetAcceptDigital sales room with eSignature, proposals, and CRM-native deal tracking for sales teams.OneSpan SignEnterprise electronic signature and digital agreement platform with bank-grade security

Dropbox Sign — frequently asked questions

Is Dropbox Sign the same as HelloSign?

Yes. HelloSign was acquired by Dropbox in 2019 and rebranded as Dropbox Sign in 2022. The product, API, and developer documentation (still hosted at hellosign.com) are continuations of HelloSign.

Does Dropbox Sign integrate with ERP systems?

It offers prebuilt connectors for Microsoft Dynamics 365 and Salesforce, plus HubSpot. For systems without a native connector, such as NetSuite, SAP, or Oracle, you integrate via the REST API or Zapier.

Are Dropbox Sign signatures legally binding?

Yes. Signatures comply with the U.S. ESIGN Act and eIDAS in the EU, and every document carries a tamper-evident audit trail. Higher tiers add Qualified Electronic Signatures (QES) and electronic ID (eID).

How much does Dropbox Sign cost?

Essentials starts at $15/user/month (about $10.05 billed annually) for one user. Standard is $25/user/month with a 2-user minimum. Premium is custom-quoted. The API is priced separately by monthly signature-request volume and includes a free test mode.

Can developers embed signing into their own application?

Yes. Dropbox Sign is API-first, offering embedded signing and embedded requesting via iFrame, OAuth 2.0, SDKs in six languages, and a free test mode for building before going live.

Evaluating eSignature?

Tell us your ERP and requirements and we'll send an independent shortlist — including Dropbox Sign and the best-fit alternatives — with honest pros and cons.