Digital signature API plans and pricing.
Simple, transparent, and pay as you use.

%Volume discount available on yearly billing. Get a Quote

PREMIUMNo monthly/annual commitment


Addressed via API:

  • Send for signatures
  • Signing workflows
  • Embedded signing
  • Approver action
  • Multi-language support#
  • Signer authentication code via email and SMS*
  • Signer attachments
  • Recipient reminders
  • Audit trail and certificate of completion
  • Document, document type, and folder management
  • Templates
  • In-person signing
  • Webhooks
  • User management
  • Reports

Configured on the app interface:

  • Print, sign, and upload for physical signing
  • Organization email alias configuration
  • Recipient redirection
  • Priority technical support (email, web, and phone)



*Signer authentication via SMS OTP incurs an additional cost. Every 2 SMSes consume a Zoho Sign credit, an add-on requiring purchase in denominations of 500 at per credit.

#Presently supports 12 languages - Chinese (Simplified), Dutch, English, French, German, Italian, Japanese, Polish, Portuguese, Russian, Spanish, and Swedish.

Frequently asked questions

  • How is the API plan different from the other general plans?

    The API plan gives users access to prominent Zoho Sign features only through APIs for the purpose of automation and integration with their in-house apps, websites, and other third-party services. Whereas, the other general plans give users direct access to the various features offered by Zoho Sign through the app's web and mobile interfaces for their all-round needs.

  • How does the API plan's pricing work?

    There is no direct subscription fee or per user cost associated with the API plan. However, to get documents signed using Zoho Sign's REST API, you would need to purchase Zoho Sign credits. The Zoho Sign credit is an add-on that can be purchased in denominations of 500 at per credit. Therefore, you can purchase a minimum of five hundred credits to be added to your account for . Each document signature request you raise using API consumes 5 Zoho Sign credits.

  • Can I use the Zoho Sign web and mobile apps in the API plan?

    No, we encourage the purchase of the API plan only if you intend to integrate Zoho Sign with other applications for automated usage and have little-to-no use for the Zoho Sign web and mobile apps. If you want to make use of the Zoho Sign web and mobile apps and also its API, you need to purchase the Enterprise plan and a sufficient amount of Zoho Sign credits.

  • How are the Zoho Sign credits I purchase consumed in the API plan?

    Every time a document signature request is created and submitted using API to be sent out to the signers and other recipients, 5 Zoho Sign credits are consumed from the total credits you have purchased and left in your Zoho Sign account. However, this consumption is confined only to sending documents out for signature. Other API actions such as information fetch calls, update calls, user and account management calls do not consume Zoho Sign credits.

  • How do you notify me when I'm running out of Zoho Sign credits?

    You can configure add-on alerts in your Subscription details page where you can set low and critically low counts based on the volume of your credit usage. You will receive an email reminder to purchase more Zoho Sign credits when the credits left in your account fall below these counts.

  • How long are the Zoho Sign credits I purchase valid for?

    The Zoho Sign credits you purchase are valid until they are consumed and as long as you have an active Zoho Sign account. They do not have an expiry date.

  • Do I have to pay to try or test the API?

    No, you don't have to. When you sign up for Zoho Sign, you can avail a free 14-day trial of the Enterprise plan. This offers access to all the features in Zoho Sign, including the API, and you can use it to send up to 10 documents for free. If you are already subscribed to the Enterprise plan, you can send up to 50 test documents per month by passing 'testing=true' as a parameter in your API calls without needing to purchase Zoho Sign credits. However, these test documents will carry a watermark which cannot be removed. When you are finished testing and ready to use the API, you can purchase sufficient Zoho Sign credits to suit your requirements.

  • Do you offer dedicated technical support for API plan users?

    Yes. We provide 24/5 API technical support for both trial and paid users, except on public holidays.