For developers

Build financial features in minutes.

A clean REST API, typed SDKs, real-time webhooks and white-label UIs. Everything you need to ship money movement — with a sandbox you can use today.

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issue-card.ts

 1const rackle = new Rackle(apiKey);
 2
 3// Issue a branded debit card in one call
 4const card = await rackle.cards.issue({
 5  holder: user.id,
 6  type: 'virtual',
 7  currency: 'USD',
 8  brand: 'Aurora',
 9});
10
11rackle.ready  // → live in < 60s

POST /v1/cards/issue201 · 58ms

Quickstart

From zero to first transaction in three steps.

01

Get your keys

Sign up and grab sandbox API keys instantly. No sales call required to start building.

02

Call the API

Use our SDKs or REST endpoints to create an account, issue a card and move money.

03

Go live

Flip to production keys once you're ready. We handle compliance and settlement.

API reference

One API surface, every banking primitive.

Accounts

Create accounts, fetch balances and stream ledger events.

Cards

Issue, freeze and set spend controls on virtual & physical cards.

Payments

Move money over SEPA, SWIFT and local rails in near real-time.

Lending

Originate, underwrite and service loans and BNPL plans.

Webhooks

Subscribe to every state change with signed, retried events.

KYC & Compliance

Onboard users with built-in identity and AML checks.

SDKs & tools

Typed SDKs in the languages you already use.

Autocomplete, idempotency and retries built in. Plus a CLI, Postman collection and drop-in white-label React components.

NNode.js

PPython

GGo

SSwift

KKotlin

RRuby

Start building

Start building this weekend.

Grab sandbox keys, explore the API, and ship your first transaction in an afternoon.

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