Skip to content

Docs
Tutorials
Guides
API Reference
OOLIN Home ↗

English

한국어

Sidebar Navigation

Getting Started

Overview
Environments and Base URLs
API Credentials
HMAC Authentication
Your First API Call
Quickstart

Core Concepts

Overview
OOLIN Service Architecture
Users, Accounts, and Wallets
Networks and Assets
Supported Networks
Deposit Addresses
Balances and Ledger
Deposit Flow
Withdrawal Flow
Transaction Status Model

Tutorials

Overview
Wallet
- Create a User and Wallet Account
  Issue a Deposit Address
  Check a Deposit
  Check Balances and Ledger
  Request an External Withdrawal
  Track Withdrawal Status
  Build the Complete Wallet Flow
Digital Payment
- Design Payment Accounts
  Fund Payment Assets
  Move Assets Between Accounts
  Record Payment Results
  Settle to an External Address
  Collect and Recover Funds
  Reconcile Payment Transactions
  Build the Complete Payment Flow

Integration Guides

Overview
HMAC Request Signing
Idempotency and Duplicate Prevention
Pagination
Incremental Synchronization
Error Handling and Retry
Transaction Reconciliation
Security Recommendations

API Reference

Overview

Resources

Overview
Error Codes
Status Codes
Glossary
Download OpenAPI
Support

On this page

Tutorials

Build complete Wallet and Digital Payment integration scenarios.

In this section

Wallet
Digital Payment

Last updated:

Pager

PreviousTransaction Status Model

OOLIN is a digital asset operations infrastructure product by BPMG.

© 2026 BPMG Co., Ltd.