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Translations of this page:
en:girocheckout:giropay:functions

Table of Contents

giropay API Functions

Check bank status

You can use this function to check if a bank supports the giropay payment method and allows payments and/or age verification. Please use this function prior to every transaction to make sure that the customer's bank supports the corresponding giropay transaction and is available.

Request

URL: https://payment.girosolution.de/girocheckout/api/v2/giropay/bankstatus
To be provided by: GiroSolution AG
To be called by: Merchant

Parameters
Name Mandatory Type Description
merchantId Yes Integer Merchant ID of a giropay project
projectId Yes Integer Project ID of a giropay project
bankcode Optional String(8) Bank code (Bankleitzahl) of the customer's bank to be checked
bic Optional String(11)BIC of the customer's bank to be checked
hash Yes String(32)HMAC MD5 hash on all the values of the function call. See generate hash

For this check, either the bank code (Bankleitzahl) or the BIC of the customer's bank must be specified. If both are present, they must refer to the same bank.

Example
transactionstart.request
curl -d "merchantId=1234567" \
     -d "projectId=1234" \
     -d "merchantTxId=1234567890" \
     -d "amount=100" \
     -d "currency=EUR" \
     -d "purpose=Beispieltransaktion" \
     -d "shoppingCartType=DIGITAL" \
     -d "shippingAddresseFirstName=Max" \
     -d "shippingAddresseLastName=Mustermann" \
     -d "shippingEmail=mmuster@example.com" \
     -d "urlRedirect=http://www.ihre-domein.de/girocheckout/redirect" \
     -d "urlNotify=http://www.ihre-domein.de/girocheckout/notify" \
     -d "hash=2017e2f4d694e24a3396d83a20b3828b" \
     https://payment.girosolution.de/girocheckout/api/v2/transaction/start
transactionstart.response.true

hash : f56b5f91094cd22ace93b76ef250aa62 

{"reference":"9ce6c641-4082-4f75-ae54-333309febcc5","redirect":"https://giropay.starfinanz.de/ftg/a/go/07i2j1k00pp0u109biywcswh;jsessionid=B1D575F122ED8D4B4B4EB0F83E85897F","rc":"0","msg":""}
transactionstart.response.false

hash : baf3c9b7217f362c29dd5cf6f098320c 

{"reference":null,"redirect":null,"rc":5033,"msg":"Währung ungütig"}
senderinfo.request
curl -d "merchantId=1234567" \
     -d "projectId=1234" \
     -d "reference=9ce6c641-4082-4f75-ae54-333309febcc5" \
     -d "hash=246d1fa2ed97ecff895de974c560f9ec" \
     https://payment.girosolution.de/girocheckout/api/v2/giropay/senderinfo
senderinfo.response.true

hash : cde71b6b98e8dae709fdc1e17aef885f 

{"accountholder":"Max Mustermann","iban":"DE87123456781234567890","bic":"TESTDETT421","rc":0,"msg":""}
senderinfo.response.false

hash : f1d186103b8c4cb59c54ae7b987a9d4c 

{"accountholder":null,"iban":null,"bic":null,"rc":5034,"msg":"Transaktion nicht vorhanden"}
capture.request
curl -d "merchantId=1234567" \
     -d "projectId=1234" \
     -d "merchantTxId=1234567890" \
     -d "amount=10000" \
     -d "currency=EUR" \
     -d "purpose=Beispiel-Capture" \
     -d "reference=dd724940-5e86-4072-8442-2c2ba2aebc79" \
     -d "final=true" \
     -d "hash=e4e57b71b094d7fa197374f4fbdd4ca9" \
     https://payment.girosolution.de/girocheckout/api/v2/transaction/capture
capture.response.true

hash : 36dc1f4622d0c1260fe5da76fe83fbd3 

{"reference":"ehd82947-5e86-4072-8442-2c2ba2ae74a","referenceParent":null,"merchantTxId":"123456","backendTxId":"5720d913a1338","amount":"100","currency":"EUR","resultPayment":4000,"rc":0,"msg":""}
capture.response.false

hash : c7dcb2d7d5e6719c6a51d81705bfc3af 

{"reference":null,"rc":5030,"msg":"Betrag ungültig"}
void.request
curl -d "merchantId=1234567" \
     -d "projectId=1234" \
     -d "merchantTxId=1234567890" \
     -d "reference=fb70602d-c137-4413-8432-7dcc69a9d891" \
     -d "hash=edb7459114db25c2991d1783d4ab5388" \
     https://payment.girosolution.de/girocheckout/api/v2/transaction/void
void.response.true
{"reference":"ef27303f-87b3-465e-9c39-fabfb749d253","referenceParent":"5a101478-df14-4a79-86af-f743784c2c24","merchantTxId":"58e39be91fce8","backendTxId":"1226723_01","amount":"100","currency":"EUR","resultPayment":"4000","rc":0,"msg":""}
void.response.false
{"reference":null,"referenceParent":null,"merchantTxId":null,"backendTxId":null,"amount":null,"currency":null,"resultPayment":null,"rc":5200,"msg":"Transaktion nicht akzeptiert"}

Reply

The reply is a JSON object. If rc = 0 is returned, a giropay transaction may be carried through with this bank. Please note the parameters payment and verifyAge. Additionally, the bank code and the bank name are returned.

Parameters
Name Mandatory Type Description
rc Yes Integer Error code
msg Yes String Additional information in case of error
bankcode Optional Integer Bank code (Bankleitzahl)
bic Optional String BIC, if available
bankname Optional String Bank name
payment Optional Integer 0 = giropay payment not supported
1 = giropay payment supported
verifyAge Optional Integer 0 = giropay age verification not supported
1 = giropay age verification supported
Example in case of success
transactionstart.request
curl -d "merchantId=1234567" \
     -d "projectId=1234" \
     -d "merchantTxId=1234567890" \
     -d "amount=100" \
     -d "currency=EUR" \
     -d "purpose=Beispieltransaktion" \
     -d "shoppingCartType=DIGITAL" \
     -d "shippingAddresseFirstName=Max" \
     -d "shippingAddresseLastName=Mustermann" \
     -d "shippingEmail=mmuster@example.com" \
     -d "urlRedirect=http://www.ihre-domein.de/girocheckout/redirect" \
     -d "urlNotify=http://www.ihre-domein.de/girocheckout/notify" \
     -d "hash=2017e2f4d694e24a3396d83a20b3828b" \
     https://payment.girosolution.de/girocheckout/api/v2/transaction/start
transactionstart.response.true

hash : f56b5f91094cd22ace93b76ef250aa62 

{"reference":"9ce6c641-4082-4f75-ae54-333309febcc5","redirect":"https://giropay.starfinanz.de/ftg/a/go/07i2j1k00pp0u109biywcswh;jsessionid=B1D575F122ED8D4B4B4EB0F83E85897F","rc":"0","msg":""}
transactionstart.response.false

hash : baf3c9b7217f362c29dd5cf6f098320c 

{"reference":null,"redirect":null,"rc":5033,"msg":"Währung ungütig"}
senderinfo.request
curl -d "merchantId=1234567" \
     -d "projectId=1234" \
     -d "reference=9ce6c641-4082-4f75-ae54-333309febcc5" \
     -d "hash=246d1fa2ed97ecff895de974c560f9ec" \
     https://payment.girosolution.de/girocheckout/api/v2/giropay/senderinfo
senderinfo.response.true

hash : cde71b6b98e8dae709fdc1e17aef885f 

{"accountholder":"Max Mustermann","iban":"DE87123456781234567890","bic":"TESTDETT421","rc":0,"msg":""}
senderinfo.response.false

hash : f1d186103b8c4cb59c54ae7b987a9d4c 

{"accountholder":null,"iban":null,"bic":null,"rc":5034,"msg":"Transaktion nicht vorhanden"}
capture.request
curl -d "merchantId=1234567" \
     -d "projectId=1234" \
     -d "merchantTxId=1234567890" \
     -d "amount=10000" \
     -d "currency=EUR" \
     -d "purpose=Beispiel-Capture" \
     -d "reference=dd724940-5e86-4072-8442-2c2ba2aebc79" \
     -d "final=true" \
     -d "hash=e4e57b71b094d7fa197374f4fbdd4ca9" \
     https://payment.girosolution.de/girocheckout/api/v2/transaction/capture
capture.response.true

hash : 36dc1f4622d0c1260fe5da76fe83fbd3 

{"reference":"ehd82947-5e86-4072-8442-2c2ba2ae74a","referenceParent":null,"merchantTxId":"123456","backendTxId":"5720d913a1338","amount":"100","currency":"EUR","resultPayment":4000,"rc":0,"msg":""}
capture.response.false

hash : c7dcb2d7d5e6719c6a51d81705bfc3af 

{"reference":null,"rc":5030,"msg":"Betrag ungültig"}
void.request
curl -d "merchantId=1234567" \
     -d "projectId=1234" \
     -d "merchantTxId=1234567890" \
     -d "reference=fb70602d-c137-4413-8432-7dcc69a9d891" \
     -d "hash=edb7459114db25c2991d1783d4ab5388" \
     https://payment.girosolution.de/girocheckout/api/v2/transaction/void
void.response.true
{"reference":"ef27303f-87b3-465e-9c39-fabfb749d253","referenceParent":"5a101478-df14-4a79-86af-f743784c2c24","merchantTxId":"58e39be91fce8","backendTxId":"1226723_01","amount":"100","currency":"EUR","resultPayment":"4000","rc":0,"msg":""}
void.response.false
{"reference":null,"referenceParent":null,"merchantTxId":null,"backendTxId":null,"amount":null,"currency":null,"resultPayment":null,"rc":5200,"msg":"Transaktion nicht akzeptiert"}
Example in case of error
transactionstart.request
curl -d "merchantId=1234567" \
     -d "projectId=1234" \
     -d "merchantTxId=1234567890" \
     -d "amount=100" \
     -d "currency=EUR" \
     -d "purpose=Beispieltransaktion" \
     -d "shoppingCartType=DIGITAL" \
     -d "shippingAddresseFirstName=Max" \
     -d "shippingAddresseLastName=Mustermann" \
     -d "shippingEmail=mmuster@example.com" \
     -d "urlRedirect=http://www.ihre-domein.de/girocheckout/redirect" \
     -d "urlNotify=http://www.ihre-domein.de/girocheckout/notify" \
     -d "hash=2017e2f4d694e24a3396d83a20b3828b" \
     https://payment.girosolution.de/girocheckout/api/v2/transaction/start
transactionstart.response.true

hash : f56b5f91094cd22ace93b76ef250aa62 

{"reference":"9ce6c641-4082-4f75-ae54-333309febcc5","redirect":"https://giropay.starfinanz.de/ftg/a/go/07i2j1k00pp0u109biywcswh;jsessionid=B1D575F122ED8D4B4B4EB0F83E85897F","rc":"0","msg":""}
transactionstart.response.false

hash : baf3c9b7217f362c29dd5cf6f098320c 

{"reference":null,"redirect":null,"rc":5033,"msg":"Währung ungütig"}
senderinfo.request
curl -d "merchantId=1234567" \
     -d "projectId=1234" \
     -d "reference=9ce6c641-4082-4f75-ae54-333309febcc5" \
     -d "hash=246d1fa2ed97ecff895de974c560f9ec" \
     https://payment.girosolution.de/girocheckout/api/v2/giropay/senderinfo
senderinfo.response.true

hash : cde71b6b98e8dae709fdc1e17aef885f 

{"accountholder":"Max Mustermann","iban":"DE87123456781234567890","bic":"TESTDETT421","rc":0,"msg":""}
senderinfo.response.false

hash : f1d186103b8c4cb59c54ae7b987a9d4c 

{"accountholder":null,"iban":null,"bic":null,"rc":5034,"msg":"Transaktion nicht vorhanden"}
capture.request
curl -d "merchantId=1234567" \
     -d "projectId=1234" \
     -d "merchantTxId=1234567890" \
     -d "amount=10000" \
     -d "currency=EUR" \
     -d "purpose=Beispiel-Capture" \
     -d "reference=dd724940-5e86-4072-8442-2c2ba2aebc79" \
     -d "final=true" \
     -d "hash=e4e57b71b094d7fa197374f4fbdd4ca9" \
     https://payment.girosolution.de/girocheckout/api/v2/transaction/capture
capture.response.true

hash : 36dc1f4622d0c1260fe5da76fe83fbd3 

{"reference":"ehd82947-5e86-4072-8442-2c2ba2ae74a","referenceParent":null,"merchantTxId":"123456","backendTxId":"5720d913a1338","amount":"100","currency":"EUR","resultPayment":4000,"rc":0,"msg":""}
capture.response.false

hash : c7dcb2d7d5e6719c6a51d81705bfc3af 

{"reference":null,"rc":5030,"msg":"Betrag ungültig"}
void.request
curl -d "merchantId=1234567" \
     -d "projectId=1234" \
     -d "merchantTxId=1234567890" \
     -d "reference=fb70602d-c137-4413-8432-7dcc69a9d891" \
     -d "hash=edb7459114db25c2991d1783d4ab5388" \
     https://payment.girosolution.de/girocheckout/api/v2/transaction/void
void.response.true
{"reference":"ef27303f-87b3-465e-9c39-fabfb749d253","referenceParent":"5a101478-df14-4a79-86af-f743784c2c24","merchantTxId":"58e39be91fce8","backendTxId":"1226723_01","amount":"100","currency":"EUR","resultPayment":"4000","rc":0,"msg":""}
void.response.false
{"reference":null,"referenceParent":null,"merchantTxId":null,"backendTxId":null,"amount":null,"currency":null,"resultPayment":null,"rc":5200,"msg":"Transaktion nicht akzeptiert"}

Initialization of the giropay payment

You send the transaction data and receive a link (redirect URL) as a reply. Afterwards, you send your customer a redirection to that URL. This may be done through an HTTP redirect header, an HTML page with a corresponding meta tag or Javascript. The actual payment processing takes place as the customer logs into his online banking platform and confirms the prefilled transfer form there by entering a TAN. The notification of your application about the payment outcome is done via a GET request sent by GiroCheckout to the URL specified in the urlNotify parameter.

Request

URL: https://payment.girosolution.de/girocheckout/api/v2/transaction/start
To be provided by: GiroSolution AG
To be called by: Merchant

Parameters
Name Mandatory Type Description
merchantId Yes Integer Merchant ID of a giropay project
projectId Yes integer Project ID of a giropay project
merchantTxId Yes String(255) Merchant's unique transaction ID
amount Yes Integer Amount in Cents
If kind = 2, then specify amount as 0
currency Optional String(3) Currency of the transaction
EUR = Euros (default)
purpose Yes String(27) Reason for payment to be included in giropay transfer
bankcode Optional String(8) Bank code of the customer's bank
Only supported until January 31st, 2014
bankaccount Optional String(10) Customer's account number (for a possible refund)
Only supported until January 31st, 2014
bic Optional String(11) BIC of the customer's bank
iban Optional String(34) Customer's IBAN
info[1..5]LabelOptional String(30) Additional information for the giropay transfer pages (field name)
info[1..5]Text Optional String(80) Additional information for the giropay transfer pages (information)
urlRedirect Yes String URL to which the customer is to be redirected after the payment
urlNotify Yes String URL to which the payment outcome is to be notified
hash Yes String HMAC MD5 hash on all the values of the function call. See generate hash
The info parameters

Using the info parameters, you may display additional information on the giropay transfer pages. A maximum of 5 elements is possible. Each information is comprised of a label and the information itself.

Example
curl -d "merchantId=1234567" \
     -d "projectId=1234" \
     -d "merchantTxId=1234567890" \
     -d "amount=100" \
     -d "currency=EUR" \
     -d "purpose=Beispieltransaktion" \
     -d "shoppingCartType=DIGITAL" \
     -d "shippingAddresseFirstName=Max" \
     -d "shippingAddresseLastName=Mustermann" \
     -d "shippingEmail=mmuster@example.com" \
     -d "urlRedirect=http://www.ihre-domein.de/girocheckout/redirect" \
     -d "urlNotify=http://www.ihre-domein.de/girocheckout/notify" \
     -d "hash=2017e2f4d694e24a3396d83a20b3828b" \
     https://payment.girosolution.de/girocheckout/api/v2/transaction/start

Reply

The reply is a JSON object. If rc = 0 is returned, the parameters reference and redirect are set. Please redirect the customer to the redirect URL.

Parameters
Name Mandatory Type Description
rc Yes Integer Error Code
msg Yes String Additional information in case of error
reference Optional String Unique GiroCheckout transaction ID
redirect Optional String Redirect URL for customer redirection
Example in case of success

hash : f56b5f91094cd22ace93b76ef250aa62 

{"reference":"9ce6c641-4082-4f75-ae54-333309febcc5","redirect":"https://giropay.starfinanz.de/ftg/a/go/07i2j1k00pp0u109biywcswh;jsessionid=B1D575F122ED8D4B4B4EB0F83E85897F","rc":"0","msg":""}
Example in case of error

hash : baf3c9b7217f362c29dd5cf6f098320c 

{"reference":null,"redirect":null,"rc":5033,"msg":"Währung ungütig"}

Payment outcome notification

After completion of the giropay payment or age verification, you receive a GET request to the URL specified in the urlNotify parameter. Please use this message for example to change the status of the order and send an order confirmation. Due to the internal giropay process, a redirection of the customer to urlRedirect is not done automatically but only after a customer click.

Request

URL: notifyUrl aus dem Transaktionsstart
To be provided by: Merchant
To be called by: GiroSolution AG

GET Parameters
Name Mandatory Type Description
gcReference Yes String Unique GiroCheckout transaction ID
gcMerchantTxId Yes String Merchant transaction ID
gcBackendTxId Yes String giropay transaction ID
gcAmount Yes Integer Amount in cents
gcCurrency Yes String Currency
gcResultPayment Optional Integer Result of the giropay payment
gcResultAVS Optional Integer Result of the giropay age verification
gcHash Yes String HMAC MD5 hash on all the values of the function call. See generate hash

Reply

As a reply to the GET request, one of the following HTTP status codes is expected.

HTTP status code Description
200 (OK) The notification was processed correctly.
400 (Bad Request) The shop did not process the notification and does not wish to be notified again.
All others The notification is repeated no more than 10 times every 30 minutes until the shop returns the status code 200 or 400.

Returning the customer to the shop

After completing the giropay payment, the customer may return to the shop through a link. This return is not done automatically.

Request

URL: redirectUrl from the transaction beginning
To be provided by: Merchant
To be called by: GiroSolution AG

GET Parameters
Name Mandatory Type Description
gcReference Yes String Unique GiroCheckout transaction ID
gcMerchantTxId Yes String Merchant's transaction ID
gcBackendTxId Yes String giropay transaction ID
gcAmount Yes Integer Amount in cents
gcCurrency Yes String Currency
gcResultPayment Optional Integer Result of the giropay payment
gcResultAVS Optional Integer Result of the giropay age verification
gcHash Ja String HMAC MD5 hash on all the values of the function call. See generate hash
en/girocheckout/giropay/functions.txt · Last modified: 2021/04/12 14:33

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