Build With Confidence. Deploy With Security.
The Rox Custody API gives developers the tools to build secure, scalable, and compliant digital asset platforms, without reinventing the blockchain backend.
Custody Infrastructure You Can Build On
Our platform is API-first, developer-focused, and security-driven. Whether you're building a wallet app, an exchange, or a fintech platform, Rox gives you direct access to everything, vaults, transactions, users, governance, with full automation and control.
Create & Manage Vaults
Spin up internal, segregated, or consolidated vaults via API, instantly and securely.
Automate Transactions
Trigger, sign, and approve transfers using policy-driven automation.
Governance-as-Code
Define user roles, approval workflows, limits, and permissions programmatically.
Real-Time Data Access
Query vault balances, asset movements, and audit logs with real-time APIs.
Exchange & Wallet Integrations
Connect to major exchanges, enable embedded wallets, and manage key distribution securely.
2FA Everywhere
Two-factor authentication is required for all admin actions, vault access, and transaction approvals.
Powerful API. Infinite Possibilities.
The Rox Custody API is designed for developers building at scale. Whether you're managing vaults, triggering transactions, enforcing policies, or syncing user roles, our RESTful API gives you full programmatic control with security-first design.
- Smart wallet
- Incoming payments
- Outgoing payments
- Multi-blockchain
- Any more…
- Smart wallet
- Incoming payments
- Outgoing payments
- Multi-blockchain
- Any more…
How It Works
Get started in minutes, authenticate, deploy vaults, and trigger secure transactions using our developer-friendly API.
1. Authenticate with API Keys
Private keys are split across our cold storage and your secured environments, eliminating single points of failure.
2. Deploy Vaults and Roles
3. Trigger Actions via API
1. Authenticate with API Keys
Private keys are split across our cold storage and your secured environments, eliminating single points of failure.
2. Deploy Vaults and Roles
Private keys are split across our cold storage and your secured environments, eliminating single points of failure.
3. Trigger Actions via API
Private keys are split across our cold storage and your secured environments, eliminating single points of failure.
Dev Tools & Support
SDKs & Webhooks
Get notified, trigger automations
API Documentation
Fully documented REST APIs
Technical Support
Access to engineering-backed integration support
Sandbox Environment
Test safely in a dedicated staging space
Compliance-Ready
Meets institutional-grade security standards
SDKs & Webhooks
Get notified, trigger automations
API Documentation
Fully documented REST APIs
Technical Support
Access to engineering-backed integration support
Sandbox Environment
Test safely in a dedicated staging space
Compliance-Ready
Meets institutional-grade security standards
Empowering Custody as technology with No Counterparty Risk
Our self-custody approach ensures security and control, allowing clients to manage assets confidently through DeFi-MPC.