Hi developers!
Welcome to the bunq Java SDK! 👨💻
We're very happy to introduce yet another unique product: complete banking SDKs! Now you can build even bigger and better apps and integrate them with your bank of the free! 🌈
Before you dive into this brand new SDK, please consider:
- Learning how bunq works and what objects you will work with by reading the intro to our API 🤓
- Checking out our developer portal 🙌
- Grabbing your Production API key from our developer portal or the bunq app 🗝
- Generating a Sandbox API key using our developer portal or Tinker 🗝
- Visiting our forum where you can share your creations, questions and experience 🎤
Give us your feedback, create pull requests, build your very own bunq apps and most importantly: have fun! 💪
This SDK is in beta. We cannot guarantee constant availability or stability. Thanks to your feedback we will make improvements on it.
To install the package, please follow the instructions corresponding to your build tool under "How to" on the package page on JitPack: https://jitpack.io/#bunq/sdk_java
In order to start making calls with the bunq API, you must first register your API key and device, and create a session. In the SDKs, we group these actions and call it "creating an API context". The context can be created by using the following code snippet:
ApiContext apiContext = ApiContext.create(ENVIRONMENT_TYPE, API_KEY,
DEVICE_DESCRIPTION);
apiContext.save(API_CONTEXT_FILE_PATH);
Please note: initialising your application is a heavy task and it is recommended to do it only once per device.
After saving the context, you can restore it at any time:
ApiContext apiContext = ApiContext.restore(API_CONTEXT_FILE_PATH);
BunqContext.loadApiContext(apiContext);
Tip: both saving and restoring the context can be done without any arguments. In this case the context will be saved to/restored from the bunq.conf file in the same folder with your executable.
It is possible to create an ApiContext as PSD2 Service Provider. Although this might seem a complex task, we wrote some helper implementations to get you started. You need to create a certificate and private key to get you started. Our sandbox environment currently accepts all certificates, if these criteria are met:
- Up to 64 characters
- PISP and/or AISP used in the end.
Make sure you have your unique eIDAS certificate number and certificates ready when you want to perform these tasks on our production environment.
Creating a PSD2 context is very easy:
ApiContext apiContext = ApiContext.createForPsd2(
ENVIRONMENT_TYPE,
SecurityUtils.getCertificateFromFile(PATH_TO_CERTIFICATE),
SecurityUtils.getPrivateKeyFromFile(PATH_TO_PRIVATE_KEY),
new Certificate[]{
SecurityUtils.getCertificateFromFile(PATH_TO_CERTIFICATE_CHAIN)
},
DESCRIPTION
)This context can be saved the same way as a normal ApiContext. After creating this context, create an OAuth client to get your users to grant you access. For a more detailed example, check the tinker_java repository.
The file storing the context details (i.e. bunq.conf) is a key to your account. Anyone having
access to it is able to perform any Public API actions with your account. Therefore, we recommend
choosing a truly safe place to store it.
There is a class for each endpoint. Each class has functions for each supported action. These actions can be create, get, update, delete and list.
When making calls, The userId and monetaryAccountId needed to make calls will be determined by the SDK it. When no monetaryAccountId has been passed, the SDK will use the first active monetary account it can find. This is normally the monetary account used for billing.
Before you make a call, make sure that you have loaded ApiContext in to the BunqContext.
With the create method you can create new models. This method normally returns the id of the created model.
Payment.create(
new Amount(amount, CURRENCY_EURO),
new Pointer(POINTER_TYPE_EMAIL, recipient),
description
);
Note! Due to an in internal change in the way we handle NotificationFilters (Callbacks), you should not use the default classes included in this SDK.
Please make sure you make use of the associated Internal-classes. For example when you need NotificationFilterUrlUser, make use of NotificationFilterUrlUserInternal.
You can use every method of these classes, except for the create() method. Always use createWithListResponse() instead.
NotificationFilterPushUserInternal.createWithListResponse(...)
NotificationFilterUrlUserInternal.createWithListResponse(...)
NotificationFilterUrlMonetaryAccountInternal.createWithListResponse(...)Reading objects can be done via the get or list method.
These type of calls always returns the model or binary data.
Payment.list(
monetaryAccountBank.getId(),
pagination.getUrlParamsCountOnly()
)
Updating objects through the API goes the same way as creating objects, except that also the object to update identifier (ID or UUID) is needed.
The update method will also normally return the Id of the updated model.
MonetaryAccountBank.update(Integer.parseInt(accountId), name);
See tinker/update_monetary_account
�Deleting object can be done via the delete method. This method also requires the object identifier which could be an Id or uuid.
This method normally returns an empty response.
CustomerStatementExport.delete(customerStatementId);
To have an idea on how the SDK works you can play around with the java tinker located at: https://github.com/bunq/tinker_java
Information regarding the test cases can be found in the README.md located in test.
The SDK can throw multiple exceptions. For an overview of these exceptions please take a look at EXCEPTIONS.md
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