> For the complete documentation index, see [llms.txt](https://developer.magtek.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.magtek.com/hardware/card-readers/mms-dyna-devices/dynaflex-ii-go/documents/user-manuals/magneflex-browser-developer-tool-programmers-reference-web-api/magneflex-browser-web-api-resources/sendarpc-emv-only.md). # sendARPC (EMV Only) This query string sends the ARPC to the device during an EMV transaction. {% code overflow="wrap" %} ``` ?operation= &httpMethod= &closeDeviceAfter= &readerArgument= &destinationURL= &requestLocation= &passInData= ``` {% endcode %}
ParameterDescription
operation

Operation to request from MagneFlex. Use:

sendARPC

httpMethod

HTTP method to be used for the HTTP postback from MagneFlex. Use:

GET - returns the response data in the form of a query string. POST – recommended for EVM related transactions to accommodate limits on query string length.

closeDeviceAfter

Flag to close the device after the request. Use:

true – close device

false – do not close the device

readerArgument

ARPC data to send to the device. issuerAuthenticationData:, endSession:

Argument details:

issuerAuthenticationData – ARPC response to send to the device.

endSession - Flag to end the session for the device. Default value is true.

“true” = End the session after the request is processed.

“false” = Do not end the session after the request is processed.

destinationURLMagneFlex will send the postback to this URL.
requestLocation

Flag to send GPS location of the device from which Magneflex (iOS only) is hosted.

Use:

true – send location

false – do not send location

passInDataOptional data to send to MagneFlex. This data will be passed back to the web app.
Each input parameter supplied in the request is delimited by an ampersand character ‘&’, and the value for a parameter begins after an equal character ‘=’. Where ever a parameter contains multiple values, each are delimited by a comma character ‘,’. **Example Query** {% code overflow="wrap" %} ``` https://192.168.10.100/magneflexdemo/cardpostback.aspx? operation=sendARPC &httpMethod=GET &closeDeviceAfter=true &readerArgument= issuerAuthenticationData:0030F92EDFDF540A00000000000000000000DFDF 550182DFDF250F423246363045413036313731364141FA0670048A0230300000000000 00, endSession:true &destinationURL=https://192.168.10.100/magneflexdemo/cardpostback.aspx &requestLocation=false &passInData= ``` {% endcode %} **Return Value:** The EMV ARPC response output in Hex string format of device raw response for this command.
ParameterDescription
errorCodeError status. 0 is Success. Non-Zero is an error.
errorMessageDescription of the errorCode.
opType

The type of operation. For this command the value is:

EMV_TRANS_RESULT

batchDataBatch data from the device to be passed to MagneFlex.
passInDataOptional data to send to MagneFlex. This data will be passed back to the web app.
**Example:** {% code overflow="wrap" %} ``` https://192.168.10.100/magneflexdemo/cardpostback.aspx?errorCode=0&err orMessage=OK&opType=EMV_TRANS_RESULT&batchData=01023FF982023BDFDF540A0 0000000000000000000DFDF550182DFDF250F423246363045413036313731364141FA8 20211F082020DF105DFDF1A0100F8820176DFDF5982015888F3F2E7838F9B729FFED8D 0866CB9C6CD06DC850B071ABF5184CFE9923B3F830D1BA6924B039DA9E75C8E717F9E0 E95E45AC87A7BD94911F7E96CAE81E8A444F144714FF34B2C20E2F18D89D0616DBE355 D808493488E2206273914A37833495A8C69DDEA90F182061CD7E7E416C20FBD2603483 89EAD6AFFBC0A0FD81BBE2E0D1FC2CF65195E1A79EC73264941D8F42BC5CD6837B9CCD 267BD1FD5C37A9352AAEB1A1346E6C9C18ACA9CB01156C12411759091146357A87A39F 1B3FB415EFDAA48509E9A25003E54E87616F63F04C2484261B3A765E23AB7176FF6C1B 08D8BFD23B6884835620BB175E366A54232598028FF24998186BAA0590B92DCF336623 F881D66379219C535DA2721E77ECBA8ADF8675BE0B9C8AC56CC5A52B9FD8216A43EA43 B2B7CE7D22E911AB107566A8F79A103677F16681DD811852332CFB92D313ECC851C36E 6317E087C3AAD65D3CDBDD36C97F9252770DFDF560A9010010B2F60EA0001C3DFDF570 180DFDF580106F78200885F25031606235F24031806305F2A0208409F0206000000000 9999F03060000000000009F0607A00000000410109F1C0831313232333334349F39010 59C01009F34031E03005F20164D4153544552434152442F4155544F4D4154494F4E49D FDF4D263B353535353030303032303030343434343D313830363230313030303030303 030303030303F0011223344&passInData= ``` {% endcode %} --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://developer.magtek.com/hardware/card-readers/mms-dyna-devices/dynaflex-ii-go/documents/user-manuals/magneflex-browser-developer-tool-programmers-reference-web-api/magneflex-browser-web-api-resources/sendarpc-emv-only.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.