Chilkat Examples

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(PureBasic) 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 PureBasic Module Download

Chilkat PureBasic Module

IncludeFile "CkBinData.pb"
IncludeFile "CkHttp.pb"
IncludeFile "CkStringBuilder.pb"
IncludeFile "CkJsonObject.pb"
IncludeFile "CkHttpResponse.pb"

Procedure ChilkatExample()

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

    http.i = CkHttp::ckCreate()
    If http.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success.i

    ; 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.i = CkBinData::ckCreate()
    If pdfData.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkBinData::ckLoadFile(pdfData,"qa_data/pdf/helloWorld.pdf")
    If success = 0
        Debug "Failed to load local PDF file."
        CkHttp::ckDispose(http)
        CkBinData::ckDispose(pdfData)
        ProcedureReturn
    EndIf

    json.i = CkJsonObject::ckCreate()
    If json.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckUpdateString(json,"emailSubject","Please sign this document")
    CkJsonObject::ckUpdateString(json,"documents[0].documentBase64",CkBinData::ckGetEncoded(pdfData,"base64"))
    CkJsonObject::ckUpdateString(json,"documents[0].name","Lorem Ipsum")
    CkJsonObject::ckUpdateString(json,"documents[0].fileExtension","pdf")
    CkJsonObject::ckUpdateString(json,"documents[0].documentId","1")
    CkJsonObject::ckUpdateString(json,"recipients.signers[0].email","joe_sample@example.com")
    CkJsonObject::ckUpdateString(json,"recipients.signers[0].name","Joe Sample")
    CkJsonObject::ckUpdateString(json,"recipients.signers[0].recipientId","1")
    CkJsonObject::ckUpdateString(json,"recipients.signers[0].routingOrder","1")
    CkJsonObject::ckUpdateString(json,"recipients.signers[0].tabs.signHereTabs[0].documentId","1")
    CkJsonObject::ckUpdateString(json,"recipients.signers[0].tabs.signHereTabs[0].pageNumber","1")
    CkJsonObject::ckUpdateString(json,"recipients.signers[0].tabs.signHereTabs[0].recipientId","1")
    CkJsonObject::ckUpdateString(json,"recipients.signers[0].tabs.signHereTabs[0].tabLabel","SignHereTab")
    CkJsonObject::ckUpdateString(json,"recipients.signers[0].tabs.signHereTabs[0].xPosition","195")
    CkJsonObject::ckUpdateString(json,"recipients.signers[0].tabs.signHereTabs[0].yPosition","147")
    CkJsonObject::ckUpdateString(json,"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.i = CkJsonObject::ckCreate()
    If jsonToken.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkJsonObject::ckLoadFile(jsonToken,"qa_data/tokens/docusign.json")

    sbAuth.i = CkStringBuilder::ckCreate()
    If sbAuth.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkStringBuilder::ckAppend(sbAuth,"Bearer ")
    CkStringBuilder::ckAppend(sbAuth,CkJsonObject::ckStringOf(jsonToken,"access_token"))

    CkHttp::ckSetRequestHeader(http,"Authorization",CkStringBuilder::ckGetAsString(sbAuth))
    CkHttp::ckSetRequestHeader(http,"Content-Type","application/json")

    ; Don't forget to modify this line to use your account ID
    resp.i = CkHttp::ckPostJson3(http,"https://demo.docusign.net/restapi/v2.1/accounts/${accountId}/envelopes","application/json",json)
    If CkHttp::ckLastMethodSuccess(http) = 0
        Debug CkHttp::ckLastErrorText(http)
        CkHttp::ckDispose(http)
        CkBinData::ckDispose(pdfData)
        CkJsonObject::ckDispose(json)
        CkJsonObject::ckDispose(jsonToken)
        CkStringBuilder::ckDispose(sbAuth)
        ProcedureReturn
    EndIf

    sbResponseBody.i = CkStringBuilder::ckCreate()
    If sbResponseBody.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkHttpResponse::ckGetBodySb(resp,sbResponseBody)
    jResp.i = CkJsonObject::ckCreate()
    If jResp.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckLoadSb(jResp,sbResponseBody)
    CkJsonObject::setCkEmitCompact(jResp, 0)

    Debug "Response Body:"
    Debug CkJsonObject::ckEmit(jResp)

    respStatusCode.i = CkHttpResponse::ckStatusCode(resp)
    Debug "Response Status Code = " + Str(respStatusCode)
    If respStatusCode >= 400
        Debug "Response Header:"
        Debug CkHttpResponse::ckHeader(resp)
        Debug "Failed."
        CkHttpResponse::ckDispose(resp)

        CkHttp::ckDispose(http)
        CkBinData::ckDispose(pdfData)
        CkJsonObject::ckDispose(json)
        CkJsonObject::ckDispose(jsonToken)
        CkStringBuilder::ckDispose(sbAuth)
        CkStringBuilder::ckDispose(sbResponseBody)
        CkJsonObject::ckDispose(jResp)
        ProcedureReturn
    EndIf

    CkHttpResponse::ckDispose(resp)

    ; 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

    envelopeId.s
    uri.s
    statusDateTime.s
    status.s

    envelopeId = CkJsonObject::ckStringOf(jResp,"envelopeId")
    uri = CkJsonObject::ckStringOf(jResp,"uri")
    statusDateTime = CkJsonObject::ckStringOf(jResp,"statusDateTime")
    status = CkJsonObject::ckStringOf(jResp,"status")


    CkHttp::ckDispose(http)
    CkBinData::ckDispose(pdfData)
    CkJsonObject::ckDispose(json)
    CkJsonObject::ckDispose(jsonToken)
    CkStringBuilder::ckDispose(sbAuth)
    CkStringBuilder::ckDispose(sbResponseBody)
    CkJsonObject::ckDispose(jResp)


    ProcedureReturn
EndProcedure

 

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