Boost your service

An efficient cross-border payment solution with API integration

OwlPay Harbor provides global on/off ramp services, assist your business in accelerating transactions, reducing costs, ensuring security and compliance!

Chat with us
Harbor

Get started quickly with our developer-friendly APIs

Easily access OwlPay Harbor’s testing and production environments through our streamlined onboarding process. Now with MCP Tool, you can integrate with Harbor faster than ever — no manual setup.

Simple and easy-to-use APIs

Boost your business with OwlPay Harbor APIs

OwlPay Harbor develops tools that add value to your business with developer-friendly APIs, using simple lines of code and documentation that enables you to integrate system data seamlessly in a dynamic environment.

 // Prepare the Transfer Object
 const transferObject = {
   commission: {
     percentage: "0.01", // Optional, Range: 0.01-100.00
     amount: "1.00",     // Optional
   },
   source: {
     asset: "USD",
     amount: "100.00",
   },
   destination: {
     asset: "USDC",
     chain: "ethereum",  // ethereum, arbitrum, polygon, avalanche, optimism
     add
|

Choose your perfect development solution

Harbor API
Supported Blockchain

Stellar, Ethereum, Solana, Polygon, Avalanche, Optimism and Arbitrum

Feature

Use the same program logic and data format across different blockchains.

Supported Fiat

USD

Supported Stablecoin

USDC

Supported Regions

30+ US states and D.C.

Harbor Anchor
Supported Blockchain

Stellar

Feature

Follow the official Stellar Anchor guidelines without needing to restart.

Supported Fiat

USD

Supported Stablecoin

USDC

Supported Regions

30+ US states and D.C.

Fully licensed & compliant — A regulated on/off ramp in 30+ US states and D.C.

  • Alabama
  • Alaska
  • Arizona
  • Arkansas
  • Delaware
  • District of Columbia
  • Florida
  • Georgia
  • Idaho
  • Illinois
  • Iowa
  • Maine

Optimize financial & compliance integration

harbor.features.onOffRamp.title
Achieve global cross-border transactions cost-efficiently

Eliminate the burdensome traditional fiat transaction fees, reduce costs effortlessly with stablecoin payments. Even without a bank account or licenses, just integrate seamlessly with cost-effective Web3 international payment solution.

harbor.features.amlKyc.title
Enter the world of Web3 payment flows with compliance and security

Harbor features built-in KYC and KYT compliance processes, ensuring your business remains compliant with the latest regulatory requirements.

harbor.features.multiChain.title
The last step to complete your payment flow?

Harbor supports multi-chain USDC transaction API services, seamlessly integrating stablecoin financial flows for high-efficient global transactions.

How we stay compliant

We integrate with AML platforms and collaborate with AI-enhanced compliance partners, securing both fiat and stablecoin transactions, preventing financial crimes, and facilitating seamless data connection.

ISO 270001Chainalysis Logosumsub Logo

OwlPay Harbor™ is suitable for all types of businesses

DeFi

Easily integrate with multiple blockchains to build a fast, low-cost on/off ramp. Simplify operations, boost efficiency, and attract more users.

Wallet Service Providers

Support major blockchains like Stellar and Ethereum to offer diverse payment options, reduce development barriers, and enhance wallet features and user experience.

E-commerce Platforms

Allow users to make payments without currency exchange or visiting a bank, making transactions more intuitive and increasing purchase conversion.

Fintech Companies / Banks

Seamlessly integrate Harbor into your platform to enable cross-border payment scenarios, accelerate global transactions, and strengthen your competitive edge in financial services.

Seamless integration of multiple popular blockchains

Seamlessly integrate with leading blockchain networks through our robust multi-chain APIs, with Solana coming soon.

StellarEthereumPolygonAvalancheOptimismArbitrumSolana

Pricing

We offer transparent pricing with additional discounts based on your transaction volume. Need something more tailored? Get a custom quote designed to fit your business needs.

Contact us

Standard

Handling fee
0.09%of transaction amount
Additional fee
On-Ramp
ACH deposit
$15/ transaction
Wire transfer deposit
$40/ transaction
Off-Ramp
ACH withdrawal
$16.5/ transaction
Wire transfer withdrawal
$43/ transaction

Custom

For businesses with higher transaction volumes or specialized requirements, we offer custom pricing structures tailored to your needs.

Custom

Have more questions about OwlPay Harbor?

  • How can Harbor help if our company needs high-volume cross-border payments?

    Harbor supports multi-currency USDC transfers with lower fees and faster settlement — perfect for global businesses managing large international transactions.

  • Can Harbor assist if we don't have a U.S. bank account but need to pay U.S. recipients?

  • What can Harbor offer if we have a money service license but our bank doesn't support stablecoins?

  • Can we still use Harbor if we don't have a license for international stablecoin payments?

  • How can Harbor support us if we're building a Web3 app and want to integrate stablecoin flows?

  • Can Harbor help if we already have a wallet and bank but no USDC on/off ramp?

  • What does Harbor offer if we want to cut costs on global payments?

  • Is it possible to support USDC payments without handling the funds ourselves using Harbor?

  • Can Harbor help us stay compliant if we don't have an in-house KYC/AML/compliance team?

  • How can Harbor help us as a Web2 company entering Web3?

  • What can we do if we don't have a cryptocurrency wallet yet?

Transform your financial services today

Chat with us
©2025 OBOOK Holdings Inc. or its affiliates