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airSlate SignNow REST API vs. FormStack REST API for organizations

airSlate SignNow REST API vs. FormStack REST API for organizations

If you are looking to integrate electronic signatures into your website, application, or CRM, you may come across a few options. Learn about two popular document management and eSignature APIs and pick the one that suits your business needs.

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Tailor airSlate SignNow to fulfill the needs of your company

The airSlate SignNow API allows you to configure and set up eSignature workflows according to your company’s needs in less than ten minutes. No need to contact sales people to get started: create your sandbox account and test the airSlate SignNow API for free.

Brandable workflows

Customize eSignature workflows with your company’s branding.

Competitive & scalable pricing

Our pricing plans accommodate the needs of your business.

Fast setup

Detailed documentation and clear coding examples ensure an excellent developer experience.

High success rate

Superior app performance guaranteed with our 24/7 API monitoring.

Flexible eSignature API for any use case and industry

airSlate SignNow’s eSignature API empowers users to quickly complete entire document lifecycles. Easily send documents for signature, request payments, create reusable templates with fillable fields, and track the status of documents in real-time with airSlate SignNow.

Upload a PDF and create fillable fields

Send a document for signature

Track document completion status

Download and save signed documents

Copy code

curl -X PUT \
    'https://api.signnow.com/document/{{document_id}}' \
    -H 'Authorization: Bearer {{bearer_token}}' \
    -H 'Content-Type: application/json' \
    -d '{
      "fields": [
        {
          "x": 305,
          "y": 18,
          "width": 122,
          "height": 10,
          "page_number": 0,
          "label": "first_name",
          "role": "Signer",
          "required": true,
          "type": "text",
          "prefilled_text": "John"
        },
        {
          "x": 305,
          "y": 38,
          "width": 122,
          "height": 10,
          "page_number": 0,
          "label": "last_name",
          "role": "Signer",
          "required": true,
          "type": "text",
          "prefilled_text": "Doe"
        },
        {
          "x":305,
          "y":67,
          "width":100,
          "height":34,
          "page_number":0,
          "label":"a sample label",
          "role":"Signer",
          "required":true,
          "type":"signature"
        }
      ]
    }'

public static partial class InviteExamples
    {
        /// <summary>
        /// Create a role-based invite to the document for signature.
        /// </summary>
        /// <param name document"">airSlate SignNow document with fields you’d like to have signed
        /// <param name email"">The email of the invitee.
        /// <param name token"">Access token
        /// <returns><see cref InviteResponse""></see> without any Identity of invite request.</returns>
        public static async Task<InviteResponse> CreateRoleBasedInviteToSignTheDocument(SignNowDocument document, string email, Token token)      
        {
            // using token from the Authorization step
            var signNowContext = new SignNowContext(token);
 
            // Create role-based invite
            var invite = new RoleBasedInvite(document)
            {
                Message = $"{email} invited you to sign the document {document.Name}",
                Subject = "The subject of the Email"
            };
 
            // Creates options for signers
            var signer = new SignerOptions(email, invite.DocumentRoles().First())
                {
                    ExpirationDays = 15,
                    RemindAfterDays = 7,
                }
                .SetAuthenticationByPassword("***PASSWORD_TO_OPEN_THE_DOCUMENT***");
 
            // Attach signer to existing roles in the document
            invite.AddRoleBasedInvite(signer);
 
            // Creating Invite request
            return await signNowContext.Invites
                .CreateInviteAsync(document.Id, invite)
                .ConfigureAwait(false);
        }
    }</InviteResponse>

public static partial class DocumentExamples
    {
        /// <summary>
        /// Check the Status of the Document
        /// <para>Can be one of:</para>
        /// <list type bullet"">
        /// <item><description><see cref DocumentStatus.NoInvite""></see></description></item>
        /// <item><description><see cref DocumentStatus.Pending""></see></description></item>
        /// <item><description><see cref DocumentStatus.Completed""></see></description></item>
        /// </list>
        /// </summary>
        /// <param name documentId"">Identity of the document
        /// <param name token"">Access token
        /// <returns><see cref DocumentStatus""></see></returns>
        public static async Task<DocumentStatus> CheckTheStatusOfTheDocument(string documentId, Token token)    
        {
            // using token from the Authorization step
            var signNowContext = new SignNowContext(token);
 
            var document = await signNowContext.Documents
                .GetDocumentAsync(documentId).ConfigureAwait(false);
 
            return document.Status;
        }
    }</DocumentStatus>

public String uploadDocumentWithTags(@RequestParam("file") MultipartFile file,
                                       Model model,
                                       RedirectAttributes redirectAttributes
  ) {
      try {
          if (isUserNotAuthorized()) {
              return getLoginRedirectPage(redirectAttributes, "/examples/uploadDocumentWithTags");    
          }
          //upload document with tags to parse
          String documentId = provider.get().getSnClient()
                  .documentsService()
                  .uploadDocumentWithTags(file.getInputStream(), file.getOriginalFilename());
          updateDocumentList();
          model.addAttribute("message", "fileId: " + documentId);
      } catch (IOException | SNException e) {
          model.addAttribute("message", String.format("Couldn't upload document %s because %s %s"    
                  , file.getOriginalFilename(), e.getMessage(), e.getCause())
          );
      }
      return "add_text_tag_on_document";
  }

public String simpleFromInvite(@ModelAttribute SimpleFromInvite simpleFromInvite, Model model, RedirectAttributes redirectAttributes) {     
        if (isUserNotAuthorized()) {
            return getLoginRedirectPage(redirectAttributes, "/examples/simpleFromInvite");
        }
 
        final String fromEmail = simpleFromInvite.getFrom();
        final String toEmail = simpleFromInvite.getTo();
        final String documentId = simpleFromInvite.getDocumentId();
 
        try {
            model.addAttribute("documentList", provider.get().getUserDocuments());
            //create request for invite
            Document.SigningInviteRequest request = new Document.SigningInviteRequest(
                    fromEmail,
                    toEmail
            );
            request.subject = simpleFromInvite.getSubject();
            request.message = simpleFromInvite.getMessage();
 
            //send request for invite
            provider.get().getSnClient()
                    .documentsService()
                    .sendDocumentSignInvite(documentId, request);
 
            model.addAttribute("message",
                    String.format("Invitation for sign document %s already sent to %s from %s",
                            documentId,
                            toEmail,
                            fromEmail
                    )
            );
        } catch (SNException e) {
            String message = String.format("Couldn't send invitation request from %s to %s for sign document %s. %s %s"
                    , fromEmail, toEmail, documentId, e.getMessage(), e.getCause());
            model.addAttribute("message", message);
        }
 
        return "simple_from_invite";
    }

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The founder of SportsForms integrated airSlate SignNow eSignatures with their online registration platform to speed up processes and eliminate paper usage.

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The airSlate SignNow team has been exceptional, responsive, the API has been great, and we're extremely happy that we chose airSlate SignNow as a company.

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We found airSlate SignNow to be better priced and exactly the solution we needed. airSlate SignNow has lowered our enrollment completion process by a day or two depending on the member.

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Ready to get started?

Compare airSlate SignNow REST API vs. FormStack REST API for organizations

How it works

Perfect workflows

signNow offers the ultimate eSignature API solution for collecting signatures and tracking documents directly from your application.

How it works

Ease of incorporation

You can incorporate eSignature workflows in your platform in just ten minutes with the signNow API. Thorough documentation is provided.

How it works

Competitive pricing

When you compare signNow REST API vs. FormStack REST API for organizations, look at the difference in the pricing of both solutions.

Quick-start guide to opening a Sandbox account with airSlate SignNow

You can benefit from a free developer account and test airSlate SignNow API functionality. Create a Sandbox account to test drive airSlate SignNow eSignatures.

Adhere to these simple steps to create a Sandbox account:

Sign up. Provide your email address to register your free Sandbox account.
Activate your account. Open your registration email from airSlate SignNow and click the ACTIVATE button.
Create a password. You will be redirected to your account. Provide a password to complete the registration.
Add an app. Click Add App, type in a name for it and click Add to save changes. The Basic Authorization Token for the app will be created automatically.
Test airSlate SignNow eSignatures. Refer to the airSlate SignNow API documentation for further instructions.

Look at all the advantages and disadvantages when comparing airSlate SignNow REST API vs. FormStack REST API for organizations and pick the best solution for your website or mobile app.

Industry-compliant eSignature functionalities for your app

Streamline document workflows with airSlate SignNow’s brandable eSignature API: easily manage documents and collect legally-binding eSignatures in a single interface.

Solution engineers

We are here to help you configure eSignature API to your workflow.

Review airSlate SignNow’s API documentation

The detailed API tutorial will guide you through the entire integration process and provide clear coding examples.

Video guides

Watch our video guides for instructions on how to easily build custom integrations.

Start with any of our SDKs

Get complete SDKs for Node.js, Python,
PHP, Java, C#.

FAQs

Below is a list of the most common airSlate SignNow API questions and answers. Just choose a question to view a detailed answer.

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Ready to get started?

It’s time to watch the airSlate SignNow API in action. Create your developer account and upload documents, request signatures, and check the status of your document.

Start API free trial Create a sandbox account

Why choose the airSlate SignNow API?:

Free to test and easy to deploy
SDKs for popular languages
Customizable for any workflow
Industry-leading security & compliance