Client for YAXI Open Banking services handling interactive consent flows, dialogs and redirects; returns JWT-authenticated results, session/connection reuse, async CompletableFuture facade and refresh support.
Kotlin Multiplatform client library for YAXI's Open Banking services.
Currently ships with JVM and Android targets.
Service methods are suspend functions and integrate with structured concurrency on Kotlin coroutines.
Java consumers should use the RoutexAsyncClient facade backed by CompletableFuture.
A companion tech.yaxi:routex-refresh-client artifact (JVM only) drives non-interactive refreshes from a backend against a connection that already went through an interactive consent.
See refresh-client-demo/ for a runnable Java and Kotlin example.
See the documentation for the full API reference.
Requires JDK 17 or newer and Android minSdk 24.
dependencies {
implementation("tech.yaxi:routex-client:0.4.0")
}
Subsequent interrupts are resolved by repeating the same when block until a Response.Result is returned.
Service methods throw RoutexError subclasses on a typed server error; the full per-service reference lives in the documentation.
Apache-2.0
import tech.yaxi.routex.client.RoutexClient
import tech.yaxi.routex.models.*
// Pass baseUrl = "https://integration.yaxi.tech" for the integration environment
val client = RoutexClient()
// ticket: a YAXI service ticket issued by your backend (see docs)
// Search for a bank
val connections = client.search(
ticket,
filters = listOf(SearchFilter.Term("sparkasse")),
ibanDetection = true,
limit = 20u,
)
// Fetch accounts
var response = client.accounts(
accountsTicket,
Credentials(connectionId, userId = "user"),
fields = listOf(AccountField.Iban, AccountField.Currency, AccountField.OwnerName),
)
// Handle interrupts (dialogs, redirects)
when (val r = response) {
is Response.Dialog -> response = when (val input = r.dialog.input) {
is DialogInput.Confirmation ->
// Decoupled SCA or polling: confirm to proceed
client.confirmAccounts(accountsTicket, input.context)
is DialogInput.Field ->
// Text input required (e.g. TAN entry)
client.respondAccounts(accountsTicket, input.context, userInput)
is DialogInput.Selection ->
// Pick one option (e.g. TAN method)
client.respondAccounts(accountsTicket, input.context, selectedKey)
}
is Response.Redirect -> {
// Send the user to r.redirect.url (browser or WebView), then confirm
response = client.confirmAccounts(accountsTicket, r.redirect.context)
}
is Response.RedirectHandle -> {
// Register a redirect URI to obtain the URL to send the user to
val url = client.registerRedirectUri(
accountsTicket, r.redirectHandle.handle, "myapp://callback",
)
// Send user to url, then confirm
response = client.confirmAccounts(accountsTicket, r.redirectHandle.context)
}
is Response.Result -> Unit
}
// Extract the result
if (response is Response.Result) {
// response.authenticated.jwt: authenticated data as a signed JSON Web Token.
// Verify the signature in a trusted environment before acting on the data.
// response.session: short-lived, pass to consecutive service calls to speed up authentication
// response.connectionData: persist alongside credentials to reuse the consent on
// subsequent calls (via Credentials.connectionData) or for non-interactive refreshes
// via RoutexRefreshClient. Pass `recurringConsents = true` on the service call to
// request a long-lived consent that skips the interrupt loop until it expires.
}
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