🚀 API Update v2.3.1 Now Live in Sandbox! 🎉

We’re thrilled to announce the release of API version 2.3.1 in the Sandbox environment!
This major release introduces powerful new features, expanded chain support, and a smoother developer experience for global payments.

All updates are fully backward compatible with existing integrations.

✨ Highlights

🇺🇸 USD Rails Now Live
Full support for USD on-ramps and off-ramps (ACH & Wire) for individual US residents.
⛓️ New! BSC Chain Support
Off-ramps now available for USDC and USDT on the BNB Smart Chain (BSC).
🇳🇬 NGN Onboarding Simplified
BVN is now collected during bank account creation to streamline the onboarding process.

🔍 New Features & Enhancements in Detail

1. USD Payment Rails (ACH & Wire) for US residents

Supported Flows:

On-ramp (ACH & Wire) and off-ramp (ACH) for USD.
Off-ramps to EUR and GBP bank accounts also supported.

Simplified KYC:

Only Personal ID and Selfie are required.
No Proof of Address needed.

Integration Requirements:

POST /user must include the user’s Phone Number.
POST /user/kyc/applicant must include:
- 9-digit SSN
- IP address

2. BSC (BNB Smart Chain) Support

Users can now off-ramp USDC and USDT from their BSC wallets.
Expands Unblock's blockchain support for broader crypto payment use cases.

3. API & Flow Improvements

Unified Bank Account Schemas
A consistent, currency-specific schema now applies to all remote bank account endpoints. (Backward compatible)
NGN Flow Update
BVN is now collected during bank account creation, not user profile updates.
Richer Webhook Payloads
- fiatToCrypto webhook now includes structured senderDetails (e.g., senderName, accountDetails).
- cryptoToFiat webhook updated to include structured beneficiary details.

🐛 Bug Fixes

Corrected several webhook subType values for improved accuracy.
Enhanced error messages across multiple endpoints for better developer feedback.

🔮 What's Coming Next

Corporate Third-Party Beneficiaries

A major update is on the horizon for corporate clients!
You’ll soon be able to manage payouts to third-party beneficiaries (e.g., employees, vendors) via:

POST /corporate/{uuid}/bank-account/remote

This enhancement is being finalized and will be included in an upcoming release. Stay tuned!

Thank you for your continued partnership!
We encourage you to explore these changes in Sandbox and review our updated documentation. All updates are backward compatible for a seamless transition. 💬