Chilkat Online Tools

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

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#import <CkoHttp.h>
#import <CkoJsonObject.h>
#import <CkoHttpResponse.h>

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

CkoHttp *http = [[CkoHttp alloc] init];
BOOL success;

CkoJsonObject *queryParams = [[CkoJsonObject alloc] init];
[queryParams UpdateString: @"dpi" value: @"{{dpi}}"];
[queryParams UpdateString: @"max_height" value: @"{{max_height}}"];
[queryParams UpdateString: @"max_width" value: @"{{max_width}}"];
[queryParams UpdateString: @"show_changes" value: @"{{show_changes}}"];

// Adds the "Authorization: Bearer {{accessToken}}" header.
http.AuthToken = @"{{accessToken}}";
[http SetRequestHeader: @"Accept" value: @"image/png"];

CkoHttpResponse *resp = [http QuickRequestParams: @"GET" url: @"https://domain.com/v2.1/accounts/{{accountId}}/envelopes/{{envelopeId}}/documents/{{documentId}}/pages/{{pageNumber}}/page_image" json: queryParams];
if (http.LastMethodSuccess == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

NSLog(@"%d",[resp.StatusCode intValue]);
NSLog(@"%@",resp.BodyStr);

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}}"
        },
        {
          "key": "documentId",
          "value": "{{documentId}}"
        },
        {
          "key": "envelopeId",
          "value": "{{envelopeId}}"
        },
        {
          "key": "pageNumber",
          "value": "{{pageNumber}}"
        }
      ]
    },
    "description": "Retrieves a page image for display from the specified envelope."
  },
  "response": [
  ]
}