Copper Digital Asset Custody API
Copper institutional digital asset custody and prime services REST API for hedge funds, asset managers, and trading firms to manage digital asset custody, off-exchange settlement, and prime brokerage with MPC-based wallet technology. Enables AI agents to manage MPC wallet creation and digital asset custody for institutional crypto security automation, handle ClearLoop off-exchange settlement for exchange counterparty risk reduction automation, access multi-exchange trading with ClearLoop settlement for institutional trading operations automation, retrieve real-time portfolio balance and valuation for institutional crypto accounting automation, manage staking and delegation for proof-of-stake yield optimization automation, handle over-the-counter (OTC) trading desk integration for large block trade automation, access sub-custody and segregated account management for prime brokerage client account automation, retrieve compliance reporting and audit trail for institutional regulatory reporting automation, manage derivatives and margin position monitoring for institutional risk management automation, and integrate Copper with prime brokers, fund administrators, and exchange APIs for end-to-end institutional digital asset operations.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Institutional crypto custody. SOC2, ISO27001, FCA. API key + HMAC. UK/EU. Digital asset transactions and prime services data.
⚡ Reliability
Best When
A hedge fund, asset manager, or trading firm wanting AI agents to automate digital asset custody, ClearLoop off-exchange settlement (eliminating exchange counterparty risk), staking yield management, and institutional prime brokerage operations within Copper's institutional platform.
Avoid When
FCA REGULATORY STATUS FOR UK OPERATIONS: Copper operates under FCA Digital Asset registration in the UK; automated institutional digital asset services for UK-based clients must verify current FCA regulatory status; Copper's FCA status affects the regulated services available to UK institutional clients. CLEARLOOP EXCHANGE PARTNER AVAILABILITY: Copper ClearLoop requires exchange participation in the ClearLoop network; automated off-exchange settlement workflows depend on exchange counterparty being a ClearLoop participant; automated settlement workflow for non-ClearLoop exchanges requires fallback to on-exchange settlement with standard counterparty risk; verify target exchange ClearLoop participation before automated settlement workflow design. CAYMAN ISLANDS AND OFFSHORE FUND AML REQUIREMENTS: Automated digital asset prime brokerage for Cayman Islands or offshore funds via Copper must comply with Cayman Islands Monetary Authority (CIMA) digital asset regulations; offshore fund AML/KYC requirements for digital asset service providers may differ from Copper's standard KYC; verify applicable offshore jurisdiction digital asset regulatory requirements before automated fund onboarding.
Use Cases
- • Settling trades off-exchange from institutional trading automation agents
- • Securing digital assets from MPC custody automation agents
- • Managing exchange counterparty risk from prime services agents
- • Staking assets from institutional yield optimization agents
Not For
- • Retail investor digital asset management
- • DeFi-native protocol interaction requiring non-custodial wallet
- • Crypto payment processing for merchants (use Bitpay or CoinGate)
Interface
Authentication
Copper uses API key authentication with HMAC request signing. REST API with JSON. London, UK HQ. Founded 2018 by Dmitry Tokarev. Private (~$75M raised, Target Global, MMC Ventures). FCA Digital Asset registered. MPC-based wallet technology. ClearLoop off-exchange settlement network connecting custody to exchanges (Binance, Kraken, Deribit, etc.). Prime brokerage for hedge funds and asset managers. Competes with Fireblocks, BitGo, and Anchorage Digital for institutional digital asset custody.
Pricing
London UK. Private (~$75M raised). Annual subscription. AUC-based pricing. ClearLoop settlement fees. No free tier.
Agent Metadata
Known Gotchas
- ⚠ CLEARLOOP SETTLEMENT CYCLE TIMING: Copper ClearLoop off-exchange settlement runs on defined settlement cycles; automated trading workflows using ClearLoop must account for settlement timing; automated trade execution that assumes immediate settlement may face intra-day settlement queue; design automated trading workflows with ClearLoop settlement cycle awareness for cash and asset availability planning
- ⚠ HMAC REQUEST SIGNING FOR API AUTHENTICATION: Copper API authentication requires HMAC signature computation on each request; automated agents must implement correct HMAC signing algorithm (timestamp + method + path + body); incorrect HMAC implementation creates authentication failure that is difficult to debug without signature comparison tooling
- ⚠ EXCHANGE COLLATERAL MANAGEMENT FOR CLEARLOOP: Copper ClearLoop requires pre-funded collateral at each exchange for trading; automated trading capacity depends on collateral allocation across ClearLoop exchange network; automated high-volume trading agent must monitor collateral utilization and implement collateral rebalancing across exchanges to maintain trading capacity
- ⚠ MPC KEY SHARE BACKUP AND DISASTER RECOVERY: Copper MPC key architecture distributes key shares between Copper and client; automated disaster recovery planning must document Copper key share recovery process; single-party key share loss does not create asset loss but requires Copper coordination for recovery; automated custody operations must include Copper key recovery SLA in business continuity planning
- ⚠ UK FCA REGULATORY TRANSITION RISK: UK post-Brexit digital asset regulatory framework is evolving; FCA's implementation of MiCA equivalent regulations may affect Copper's operational requirements and API feature availability; monitor FCA digital asset regulatory developments for potential impact on automated Copper API workflow compliance requirements
Alternatives
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Scores are editorial opinions as of 2026-03-07.