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DataFlex / DocuSign Click API / 02 JWT Access Token

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Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoHttp
    Boolean iSuccess
    Variant vReq
    Handle hoReq
    Handle hoJsonParam1
    Variant vResp
    Handle hoResp
    String sTemp1
    Integer iTemp1
    Boolean bTemp1

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

    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End

    Get Create (RefClass(cComChilkatHttpRequest)) To hoReq
    If (Not(IsComObjectCreated(hoReq))) Begin
        Send CreateComObject of hoReq
    End

    Get Create (RefClass(cComChilkatJsonObject)) To hoJsonParam1
    If (Not(IsComObjectCreated(hoJsonParam1))) Begin
        Send CreateComObject of hoJsonParam1
    End
    Get ComEmit Of hoJsonParam1 To sTemp1
    Send ComAddParam To hoReq "assertion" sTemp1
    Send ComAddParam To hoReq "grant_type" "urn:ietf:params:oauth:grant-type:jwt-bearer"

    Send ComAddHeader To hoReq "Authorization" "Basic {{encodedKeys}}"

    Get pvComObject of hoReq to vReq
    Get ComPostUrlEncoded Of hoHttp "https://{{hostenv}}/oauth/token" vReq To vResp
    If (IsComObject(vResp)) Begin
        Get Create (RefClass(cComChilkatHttpResponse)) To hoResp
        Set pvComObject Of hoResp To vResp
    End
    Get ComLastMethodSuccess Of hoHttp To bTemp1
    If (bTemp1 = False) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComStatusCode Of hoResp To iTemp1
    Showln iTemp1
    Get ComBodyStr Of hoResp To sTemp1
    Showln sTemp1
    Send Destroy of hoResp


End_Procedure

Curl Command

curl -X POST
	-H "Authorization: Basic {{encodedKeys}}"
	--data-urlencode 'assertion={{assertionHere}}'
	--data-urlencode 'grant_type=urn:ietf:params:oauth:grant-type:jwt-bearer'
https://{{hostenv}}/oauth/token

Postman Collection Item JSON

{
  "name": "02 JWT Access Token",
  "event": [
    {
      "listen": "test",
      "script": {
        "type": "text/javascript",
        "exec": [
          "var jsonData = JSON.parse(responseBody);",
          "postman.setEnvironmentVariable(\"accessToken\", jsonData.access_token);",
          "var jsonData = JSON.parse(responseBody);",
          "postman.setEnvironmentVariable(\"refreshToken\", jsonData.refresh_token);"
        ]
      }
    }
  ],
  "request": {
    "method": "POST",
    "header": [
      {
        "key": "Authorization",
        "value": "Basic {{encodedKeys}}"
      }
    ],
    "body": {
      "mode": "urlencoded",
      "urlencoded": [
        {
          "key": "assertion",
          "value": "{{assertionHere}}"
        },
        {
          "key": "grant_type",
          "value": "urn:ietf:params:oauth:grant-type:jwt-bearer"
        }
      ]
    },
    "url": {
      "raw": "https://{{hostenv}}/oauth/token",
      "protocol": "https",
      "host": [
        "{{hostenv}}"
      ],
      "path": [
        "oauth",
        "token"
      ]
    }
  },
  "response": [
  ]
}