The Future of Fintech is Here.

Developing in the Fintech world is full of complications and frustrations. We built Lean so developers can focus on innovation while we handle the complexities.

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Programmable finance.

Lean gives innovators like you the tools needed to transform groundbreaking ideas into revolutionary fintech products

Products

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Payments API - Coming Soon

Our Payments API facilitates bank-to-bank transfers so you can integrate payments into your customer experience.

Secure.

Security is of the utmost importance to us. All Consumer Data is AES-256 encrypted at rest and transit.

Simple.

Our APIs, SDKs, thorough documentation, and intuitive dashboards are all designed for a pleasant and simple developer experience.

Flexible.

Easy to build, even easier to extend. We're constantly expanding our capabilities so you can extend your product on your terms.

You're 3 steps from Data

Our engineers obssess over getting you financial data as quickly and easily as possible. We’ve got the process down to 3 easy steps.

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image register number 1

You know the drill. Sign up to get the certificates, keys, and tokens to use with our APIs.

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Connect to Your User’s Bank

Ask your user for the permissions you need for your app to function.

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Connect to Your User’s Bank

Ask your user for the permissions you need for your app to function.

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  • Elements
  • Console
<button onclick="connect();"> Connect Bank </button>
  <script src="https://cdn.leantech.me/link/sdk/web/latest/Lean.min.js" />
  
  <script>
    function connect() {
      Lean.link({
        app_token: '40289089716ab818017178bc1cff0005',
        permissions: '["identity", "accounts", "balances"]',
        app_user_id: '0001'
      });
    }
  </script>
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Get Data

You're all set. Call our API's, get the data you need, and build something groundbreaking. We're rooting for you.

  • icon code demo identityIdentity
  • icon code demo accountsAccounts
  • icon code demo balanceBalance
  • icon code demo transactionsTransactions
 curl -X POST \
      'https://sandbox.leantech.me/v1/identity' \
      -H 'Content-Type: application/json' \
      -H 'lean-app-token: 40289089716ab818017178bc1cff0005' \
      -d '{
            "entity_uuid": "92fea91d-f4f9-4aa0-ab51-ce4a2b1bb20e"
          }'
  • icon code demo identityIdentity
  • icon code demo accountsAccounts
  • icon code demo balanceBalance
  • icon code demo transactionsTransactions

Lean is a company that was made for developers, by developers. Guiding every decision we make is an obssesion with serving the most delightful developer experience we can envision. Developers are creators, and creativity thrives in the absense of hindrance. We at Lean are commited to throwing the whole weight of this company towards conquering every hindrance in a developer’s journey through FinTech.

We can’t wait to use what you build.

Ready to get started?