(CkPython) CardConnect Signature Capture

Demonstrates how to upload a BMP image of a handwritten signature.

This signature capture service augments an existing authorization record with the provided signature data. ...

See https://developer.cardconnect.com/cardconnect-api?lang=json#signature-capture

Chilkat Python Downloads install with pip pip3 install chilkat or download... Python Module for Windows, MacOS, Linux, Alpine Linux, Solaris

import sys
import chilkat

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

http = chilkat.CkHttp()

http.put_BasicAuth(True)
http.put_Login("API_USERNAME")
http.put_Password("API_PASSWORD")

# Build and send the following JSON:

# {
#   "merchid": "MERCHANT_ID",
#   "retref": "112989260941",
#   "signature": "BASE64_GZIPPED_BMP_DATA"
# }

json = chilkat.CkJsonObject()
json.UpdateString("merchid","MERCHANT_ID")
json.UpdateString("retref","106631225001")

# Load the .bmp containing a 200px x 100px signature.
bd = chilkat.CkBinData()
success = bd.LoadFile("qa_data/bmp/signature.bmp")
# Gzip compress.
gzip = chilkat.CkGzip()
success = gzip.CompressBd(bd)
# Add to the JSON in base64 format
json.UpdateString("signature",bd.getEncoded("base64"))

url = "https://<site>.cardconnect.com:<port>/cardconnect/rest/sigcap"
responseStr = http.putText(url,json.emit(),"utf-8","application/json",False,False)
if (http.get_LastMethodSuccess() == False):
    print(http.lastErrorText())
    sys.exit()

# A response status of 200 indicates potential success.  The JSON response body
# must be examined to determine if it was truly successful or an error.
print("response status code = " + str(http.get_LastStatus()))

jsonResp = chilkat.CkJsonObject()
jsonResp.Load(responseStr)
jsonResp.put_EmitCompact(False)

print("response JSON:")
print(jsonResp.emit())

# A successful response looks like this:

# {
#   "resptext": "signature stored",
#   "retref": "106631225001",
#   "respcode": "02",
#   "merchid": "MERCHANT_ID"
# }