Chilkat Online Tools

C / DocuSign eSignature REST API / Gets a page image from an envelope for display.

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#include <C_CkHttp.h>
#include <C_CkJsonObject.h>
#include <C_CkHttpResponse.h>

void ChilkatSample(void)
    {
    HCkHttp http;
    BOOL success;
    HCkJsonObject queryParams;
    HCkHttpResponse resp;

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

    http = CkHttp_Create();

    queryParams = CkJsonObject_Create();
    CkJsonObject_UpdateString(queryParams,"dpi","{{dpi}}");
    CkJsonObject_UpdateString(queryParams,"max_height","{{max_height}}");
    CkJsonObject_UpdateString(queryParams,"max_width","{{max_width}}");
    CkJsonObject_UpdateString(queryParams,"show_changes","{{show_changes}}");

    // Adds the "Authorization: Bearer {{accessToken}}" header.
    CkHttp_putAuthToken(http,"{{accessToken}}");
    CkHttp_SetRequestHeader(http,"Accept","image/png");

    resp = CkHttp_QuickRequestParams(http,"GET","https://domain.com/v2.1/accounts/{{accountId}}/envelopes/{{envelopeId}}/documents/{{documentId}}/pages/{{pageNumber}}/page_image",queryParams);
    if (CkHttp_getLastMethodSuccess(http) == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkJsonObject_Dispose(queryParams);
        return;
    }

    printf("%d\n",CkHttpResponse_getStatusCode(resp));
    printf("%s\n",CkHttpResponse_bodyStr(resp));
    CkHttpResponse_Dispose(resp);


    CkHttp_Dispose(http);
    CkJsonObject_Dispose(queryParams);

    }

Curl Command

curl -G -d "dpi=%7B%7Bdpi%7D%7D"
	-d "max_height=%7B%7Bmax_height%7D%7D"
	-d "max_width=%7B%7Bmax_width%7D%7D"
	-d "show_changes=%7B%7Bshow_changes%7D%7D"
	-H "Accept: image/png"
	-H "Authorization: Bearer {{accessToken}}"
https://domain.com/v2.1/accounts/{{accountId}}/envelopes/{{envelopeId}}/documents/{{documentId}}/pages/{{pageNumber}}/page_image

Postman Collection Item JSON

{
  "name": "Gets a page image from an envelope for display.",
  "request": {
    "method": "GET",
    "header": [
      {
        "key": "Accept",
        "value": "image/png"
      },
      {
        "key": "Authorization",
        "value": "Bearer {{accessToken}}"
      }
    ],
    "url": {
      "raw": "{{baseUrl}}/v2.1/accounts/{{accountId}}/envelopes/{{envelopeId}}/documents/{{documentId}}/pages/{{pageNumber}}/page_image?dpi={{dpi}}&max_height={{max_height}}&max_width={{max_width}}&show_changes={{show_changes}}",
      "host": [
        "{{baseUrl}}"
      ],
      "path": [
        "v2.1",
        "accounts",
        "{{accountId}}",
        "envelopes",
        "{{envelopeId}}",
        "documents",
        "{{documentId}}",
        "pages",
        "{{pageNumber}}",
        "page_image"
      ],
      "query": [
        {
          "key": "dpi",
          "value": "{{dpi}}"
        },
        {
          "key": "max_height",
          "value": "{{max_height}}"
        },
        {
          "key": "max_width",
          "value": "{{max_width}}"
        },
        {
          "key": "show_changes",
          "value": "{{show_changes}}"
        }
      ],
      "variable": [
        {
          "key": "accountId",
          "value": "{{accountId}}",
          "type": "string"
        },
        {
          "key": "documentId",
          "value": "{{documentId}}",
          "type": "string"
        },
        {
          "key": "envelopeId",
          "value": "{{envelopeId}}",
          "type": "string"
        },
        {
          "key": "pageNumber",
          "value": "{{pageNumber}}",
          "type": "string"
        }
      ]
    },
    "description": "Retrieves a page image for display from the specified envelope."
  },
  "response": [
  ]
}