Custom Forms

Custom forms can be expertly designed by Nextform to handle your specific business requirements. For example, you may have complex validation rules, you might want to prefill and disable certain fields, or you may even want to adjust the wording and styling of the form.

Each custom form costs $49 per month or $499 per year and is billed at the same interval as your subscription. Customizations can typically be completed in one to two weeks. Depending on the complexity of the requirements. You are not charged for a customization until it is tested and accepted by your team. Contact us to get started.

Create a Session with a Customization

Once your customization is deployed, you will receive a customization string to use with your session requests. At a minimum you must specify a formType and a customization property.

  "formType": "w9Oct2018",
  "customization": "CUSTOMIZATION_STRING"


The response string will contain a URL where part of the URL includes your customization string.

  "id": "qfofUrdgVoKLmHMHYwkq9yHAdgQVZ5Dc",
  "reference": null,
  "status": "open",
  "url": "",
  "successUrl": null,
  "signerEmail": null,
  "formType": "w9Oct2018",
  "customization": "CUSTOMIZATION_STRING",
  "formData": null

To learn more about creating a session, visit the create a session page.