(Go) DocuSign: Requesting a Signature via Email (Remote Signing)

See more DocuSign Examples

This code example demonstrates the simplest and quickest workflow for requesting a signature for a document via email. The email will contain a signing link the recipient can use to electronically sign a document from their mobile or desktop computer.

For more information, see https://developers.docusign.com/esign-rest-api/code-examples/quickstart-request-signature-email

Chilkat Go Downloads Go Package for Windows, MacOS, Linux, Alpine Linux, Solaris

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    http := chilkat.NewHttp()
    var success bool

    // Implements the following CURL command:

    // curl --request POST https://demo.docusign.net/restapi/v2.1/accounts/${accountId}/envelopes \
    //      --header "Authorization: Bearer ${accessToken}" \
    //      --header "Content-Type: application/json" \
    //      --data '{
    //     "emailSubject": "Please sign this document",
    //     "documents": [
    //         {
    //             "documentBase64": "JVBERi0xLjMKMyAwIG9iag ... dGFydHhyZWYKNjk5CiUlRU9GCg==",
    //             "name": "Lorem Ipsum",
    //             "fileExtension": "pdf",
    //             "documentId": "1"
    //         }
    //     ],
    //     "recipients": {
    //         "signers": [
    //             {
    //                 "email": "joe_sample@example.com",
    //                 "name": "Joe Sample",
    //                 "recipientId": "1",
    //                 "routingOrder": "1",
    //                 "tabs": {
    //                     "signHereTabs": [
    //                         {
    //                             "documentId": "1", "pageNumber": "1",
    //                             "recipientId": "1", "tabLabel": "SignHereTab",
    //                             "xPosition": "195", "yPosition": "147"
    //                         }
    //                     ]
    //                 }
    //             }
    //         ]
    //     },
    //     "status": "sent"
    // }'

    // Use this online tool to generate code from sample JSON:
    // Generate Code to Create JSON

    // The following JSON is sent in the request body.

    // {
    //   "emailSubject": "Please sign this document",
    //   "documents": [
    //     {
    //       "documentBase64": "JVBERi0xLjMKMyAwIG9iag ... dGFydHhyZWYKNjk5CiUlRU9GCg==",
    //       "name": "Lorem Ipsum",
    //       "fileExtension": "pdf",
    //       "documentId": "1"
    //     }
    //   ],
    //   "recipients": {
    //     "signers": [
    //       {
    //         "email": "joe_sample@example.com",
    //         "name": "Joe Sample",
    //         "recipientId": "1",
    //         "routingOrder": "1",
    //         "tabs": {
    //           "signHereTabs": [
    //             {
    //               "documentId": "1",
    //               "pageNumber": "1",
    //               "recipientId": "1",
    //               "tabLabel": "SignHereTab",
    //               "xPosition": "195",
    //               "yPosition": "147"
    //             }
    //           ]
    //         }
    //       }
    //     ]
    //   },
    //   "status": "sent"
    // }

    // Load a PDF to be signed.
    pdfData := chilkat.NewBinData()
    success = pdfData.LoadFile("qa_data/pdf/helloWorld.pdf")
    if success == false {
        fmt.Println("Failed to load local PDF file.")
        http.DisposeHttp()
        pdfData.DisposeBinData()
        return
    }

    json := chilkat.NewJsonObject()
    json.UpdateString("emailSubject","Please sign this document")
    json.UpdateString("documents[0].documentBase64",*pdfData.GetEncoded("base64"))
    json.UpdateString("documents[0].name","Lorem Ipsum")
    json.UpdateString("documents[0].fileExtension","pdf")
    json.UpdateString("documents[0].documentId","1")
    json.UpdateString("recipients.signers[0].email","joe_sample@example.com")
    json.UpdateString("recipients.signers[0].name","Joe Sample")
    json.UpdateString("recipients.signers[0].recipientId","1")
    json.UpdateString("recipients.signers[0].routingOrder","1")
    json.UpdateString("recipients.signers[0].tabs.signHereTabs[0].documentId","1")
    json.UpdateString("recipients.signers[0].tabs.signHereTabs[0].pageNumber","1")
    json.UpdateString("recipients.signers[0].tabs.signHereTabs[0].recipientId","1")
    json.UpdateString("recipients.signers[0].tabs.signHereTabs[0].tabLabel","SignHereTab")
    json.UpdateString("recipients.signers[0].tabs.signHereTabs[0].xPosition","195")
    json.UpdateString("recipients.signers[0].tabs.signHereTabs[0].yPosition","147")
    json.UpdateString("status","sent")

    // Get our previously obtained OAuth2 access token, which should contain JSON like this:
    // {
    //   "access_token": "eyJ0eXA....YQyig",
    //   "token_type": "Bearer",
    //   "refresh_token": "eyJ0eXA....auE3eHKg",
    //   "expires_in": 28800
    // }

    jsonToken := chilkat.NewJsonObject()
    success = jsonToken.LoadFile("qa_data/tokens/docusign.json")

    sbAuth := chilkat.NewStringBuilder()
    sbAuth.Append("Bearer ")
    sbAuth.Append(*jsonToken.StringOf("access_token"))

    http.SetRequestHeader("Authorization",*sbAuth.GetAsString())
    http.SetRequestHeader("Content-Type","application/json")

    // Don't forget to modify this line to use your account ID
    resp := http.PostJson3("https://demo.docusign.net/restapi/v2.1/accounts/${accountId}/envelopes","application/json",json)
    if http.LastMethodSuccess() == false {
        fmt.Println(http.LastErrorText())
        http.DisposeHttp()
        pdfData.DisposeBinData()
        json.DisposeJsonObject()
        jsonToken.DisposeJsonObject()
        sbAuth.DisposeStringBuilder()
        return
    }

    sbResponseBody := chilkat.NewStringBuilder()
    resp.GetBodySb(sbResponseBody)
    jResp := chilkat.NewJsonObject()
    jResp.LoadSb(sbResponseBody)
    jResp.SetEmitCompact(false)

    fmt.Println("Response Body:")
    fmt.Println(*jResp.Emit())

    respStatusCode := resp.StatusCode()
    fmt.Println("Response Status Code = ", respStatusCode)
    if respStatusCode >= 400 {
        fmt.Println("Response Header:")
        fmt.Println(resp.Header())
        fmt.Println("Failed.")
        resp.DisposeHttpResponse()
        http.DisposeHttp()
        pdfData.DisposeBinData()
        json.DisposeJsonObject()
        jsonToken.DisposeJsonObject()
        sbAuth.DisposeStringBuilder()
        sbResponseBody.DisposeStringBuilder()
        jResp.DisposeJsonObject()
        return
    }

    resp.DisposeHttpResponse()

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    //   "envelopeId": "d51cfdab-22ed-4832-bf68-446c44077ffc",
    //   "uri": "/envelopes/d51cfdab-22ed-4832-bf68-446c44077ffc",
    //   "statusDateTime": "2018-04-17T16:31:51.8830000Z",
    //   "status": "sent"
    // }

    // Sample code for parsing the JSON response...
    // Use the following online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    var envelopeId *string = new(string)
    var uri *string = new(string)
    var statusDateTime *string = new(string)
    var status *string = new(string)

    envelopeId = jResp.StringOf("envelopeId")
    uri = jResp.StringOf("uri")
    statusDateTime = jResp.StringOf("statusDateTime")
    status = jResp.StringOf("status")

    http.DisposeHttp()
    pdfData.DisposeBinData()
    json.DisposeJsonObject()
    jsonToken.DisposeJsonObject()
    sbAuth.DisposeStringBuilder()
    sbResponseBody.DisposeStringBuilder()
    jResp.DisposeJsonObject()