Launch Digital Asset Products with Institutional Wallet Capabilities

Integrate multi-chain wallets, asset transactions, and policy controls through APIs and SDKs, so product teams can focus on user experience and operations.

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One integration for wallet and transaction capabilities, shorter product build cycles

Integrate wallet creation, multi-chain addresses, asset queries, payments, and supported on-chain operations into your existing product, reducing the complexity of integrating each capability separately.

01

Create wallets and multi-chain addresses

Generate institutional-grade wallets within your existing business, covering supported major blockchain networks.

02

Integrate payments and asset operations

Integrate asset queries, deposits, withdrawals, and supported on-chain operations.

03

Bring policy, approval, and signing controls into the transaction flow

System-initiated transactions match institutional rules for policies, approvals, and signing the same way.

Adapt to multiple business scenarios, extend digital asset services

Covers exchanges, payments, stablecoins, fintech, and Web3 scenarios, so products can extend wallet and digital asset capabilities quickly.

Deposit channelFast withdrawalHistory
BTC deposit networkAddress ready
3F2bM9g...bVp89A
Assign new token address

Exchanges and asset platforms

Bring deposits, withdrawals, wallets, and asset status into existing operations.

Payment settlement systemPending
$ 1,000.00USDT TRC-20 on-chain transfer
Webhook: received 1,000 USDT, awaiting multi-sig sweep

Payments and stablecoin business

Connect payments, status notifications, and fund handling workflows.

Multi-asset portfolio
BTC0.325 BTC
ETH2.140 ETH
USDT1,240.50 USDT

Fintech and Web3 products

Provide wallets and digital asset account experiences to end users.

Multiple integration paths, matched to different system architectures

Support REST API, multi-language SDKs, Webhook, and API Co-Signer to match different technical architectures, helping teams integrate wallet and transaction capabilities within their existing architecture and development workflow.

CLIENT SYSTEM
Client product
WebiOS / Android AppInternal business systems
WaaS API
INTERMEDIARY BRIDGE
API & SDK middleware
API servicesJava SDKGo SDKAPI Co-Signer signing module
RPC / TLS
INFRASTRUCTURE
Asset custody services
Wallets · Addresses · BalancesMulti-chain address generationTransactions · Deposits · PayoutsSecure broadcasting and status notificationsPolicy · Approval · SigningMPC key-shard co-computation

Automated transactions executed by institutional rules, balancing efficiency and security

System-initiated and human-initiated transactions follow the same workflow: match policies and approvals first, then enter collaborative signing. Member permissions and operation records are queryable in one place.

Client system
ChainUp platform (API / SDK)
Signing node (API Co-Signer)

Key transactions executed by rule

System-initiated transactions match policies and approvals before signing.

The institution retains signing controls

The co-signer node can be deployed in the customer environment and participate in the signing workflow.

Operation status and records queryable in one place

Initiation, approval, signing, and status are queryable and reviewable on the same platform.

Mainstream languages and supporting developer resources, faster technical integration

Developer documentation with Java, Go, C#, Python, Rust, PHP, and Node.js SDKs helps development teams use their existing stack to complete technical evaluation, feature integration, and system testing more efficiently.

JavaGoC#PythonRustPHPNode.js
Developer CenterDOCS

SDK downloads, full API specifications, webhook configuration and multi-chain FAQ guides.

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MPC WalletMPC SECURITY

Understand MPC-based key management and read the whitepaper on single-point failure prevention and business continuity.

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Security & ComplianceCOMPLIANCE

Browse ChainUp Custody's certifications and compliance reports across jurisdictions, isolation levels and defense measures.

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Connect signing, security assurance, and developer resources

MPC Wallet provides signing infrastructure, Security & Compliance provides assurance materials, and the Developer Center provides developer resources for technical integration.

MPC Wallet

Shared MPC signing and governance capabilities

View MPC

Security & Compliance

Security materials and certification access

View Security

Developer Center

Quick start, APIs, SDKs, and API Co-Signer

View developer documentation

FAQ

For businesses embedding wallet and asset capabilities into their own products or systems, including exchanges and asset platforms, payment and stablecoin businesses, fintech, and Web3 products. Institutions with existing infrastructure can also use it to extend to new networks or business lines.

Bring wallet capabilities into your business faster

Explore a Wallet-as-a-Service integration plan tailored to your product scenario, technical architecture, and security control requirements.

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