OOLIN Developer DocsBuild wallet and digital payment services.

Learn the operating model, follow end-to-end tutorials, and integrate with the Wallet API.

Wallet tutorials

Getting Started
Prepare credentials, understand HMAC authentication, and make your first request.
Wallet
Create accounts, issue deposit addresses, check balances, and process withdrawals.
Digital Payment
Combine internal transfers, payouts, transaction records, and reconciliation.
API Reference
Browse the customer-facing Wallet API generated from the OpenAPI contract.

Choose your path

New to OOLIN? Start with Getting Started.
Building a customer wallet? Follow the Wallet tutorials.
Building a payment flow? Follow the Digital Payment tutorials.
Looking for an endpoint or schema? Open the API Reference.