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Access to full transaction data on all transactions & addresses
Broadcast and verify transactions with real-time monitoring
Retrieve blockchain data, balances, and transactions
Detailed blockchain history and transaction data for any address.
Full smart contracts metadata, including token symbols & token names
Dedicated nodes infrastructure for leading blockchains using JSON-RPC
Address validation, encoding & cryptographic tasks optimizations
Shared node infrastructure for top blockchains using JSON-RPC.
Real-time notifications for events on top blockchains. Response under 100ms.
AML address screening across 20+ blockchains
14 MCP servers + n8n MCP client for AI agents
Precise blockchain transaction fee estimates based on transaction priority
Sync and manage HD wallets, keys and addresses
Prepare EVM transactions, including token transfers
Access to full transaction data on all transactions & addresses
Get access to unified market data using REST APIs from top crypto exchanges.
Test EVM transactions, optimize gas fees and identify security flaws
May 22, 2026 • 4 min
Crypto wallets in 2026 are no longer just balance displays. They're compliance tools, DeFi dashboards, AI interfaces, and institutional custody systems — all at once. The API you build on determines whether your product scales reliably, passes compliance audits, and ships on time.
This guide covers the top crypto wallet APIs developers are using in 2026, what each one actually does well, and what to look for before you integrate.
Not all wallet APIs are built the same. Here are the criteria that separate a solid long-term integration from one you'll regret at scale:
Blockchain coverage — Does it cover the chains your users actually hold? Bitcoin xpub/ypub/zpub support matters if your users hold BTC in HD wallets. EVM-only providers leave you stranded.
HD Wallet management — Address generation, key derivation, and xpub syncing built into the API — or are you expected to build that layer yourself?
Real-time blockchain events — Polling is expensive and slow. Sub-100ms webhook delivery for deposits, transfers, and contract events is what separates real-time products from near-real-time ones.
AML and compliance tools — For fintech, exchanges, and PSPs, address screening against sanctions and fraud lists is non-negotiable.
Security and certifications — ISO 27001 certification, penetration testing, multi-cloud redundancy, and MPC technology are signals that the provider takes infrastructure security seriously.
AI and MCP support — LLM-powered products need structured tool interfaces. MCP server support is becoming standard for teams building AI agents on top of blockchain data.
Enterprise flexibility — Custom plans, dedicated nodes, priority support, and SLAs matter when you're building at scale or in regulated environments.
Crypto APIs is the most infrastructure-complete provider on this list. It's built for teams that need direct, reliable access to blockchain infrastructure — not just an aggregation layer on top of it.
Trusted by 500+ companies including Ledger, NGrave, CoolWallet, D'cent, Nexo, Bitwave/Gilded, and Swyftx, Crypto APIs powers some of the most demanding crypto products in production — hardware wallet manufacturers, institutional custody providers, tier-1 exchanges, and fintech platforms operating in regulated environments.
The product suite covers everything a production wallet needs:
Blockchain Events — Real-time webhook notifications for deposits, transfers, confirmations, and smart contract events across 30+ networks. Response under 100ms. No polling required.
HD Wallets Management — Full xpub/ypub/zpub support for Bitcoin and other UTXO chains. Sync and manage HD wallets, derive addresses, and track balances across all derived addresses from a single key.
Address Latest & Address History — Real-time balances and full historical transaction data for any address across supported blockchains.
Verify Address (AML Screening) — Sanctions, fraud, and AML screening across 20+ blockchains. Essential for exchanges, PSPs, and any regulated product.
Dedicated Nodes — High-performance dedicated node infrastructure across 100+ networks via JSON-RPC. Full control, no shared resource contention.
Node as a Service — Shared node infrastructure for top blockchains for teams that don't need dedicated capacity.
Prepare & Broadcast Transactions — Build, prepare, sign, and broadcast transactions programmatically. EVM token transfers included.
Transaction Simulator — Test EVM transactions before broadcasting. Optimize gas fees and identify security flaws without spending real funds.
Block Data & Transactions Data — Full access to block-level and transaction-level data across all supported chains.
Market Data — Live and historical market data from top exchanges via unified REST APIs.
AI Compatibility — 14 MCP servers plus an n8n MCP client node. Connects blockchain data directly to Claude, Cursor, VS Code, and any LLM workflow without custom glue code.
Infrastructure specs:
Fully customizable enterprise plans — Custom endpoints, priority support and SLAs, dedicated account management, and tailored infrastructure for teams with advanced compliance, volume, or performance requirements.
Get started for free → | View documentation → | Contact for enterprise →
The crypto wallet API space has several other providers, each with a narrower focus:
CoinStats Wallet API covers 120+ blockchains and aggregates DeFi positions across 10,000+ protocols. It's a data aggregation layer suited to portfolio trackers and DeFi dashboards that prioritize breadth of chain coverage. It also ships a native MCP Server for AI agent integrations.
Moralis provides pre-indexed EVM and Solana data with real-time event streaming and NFT support. Developer-friendly with good SDK coverage for dApp builders working on EVM chains.
Alchemy sits closer to the node infrastructure layer, adding enhanced wallet history and NFT endpoints on top of RPC access. Strong for teams building on Ethereum, Polygon, Arbitrum, and Solana who prioritize node reliability.
DeBank offers the deepest DeFi protocol-level position resolution on EVM chains — useful for DeFi analytics tools focused exclusively on EVM networks.
Most wallet API comparisons focus on chain count or DeFi protocol coverage. Those numbers matter — but they're not the deciding factor for teams building production-grade products.
What separates a wallet product that scales from one that breaks under load isn't the number of chains supported. It's uptime, latency, compliance infrastructure, and the ability to get dedicated support when something goes wrong at 2am.
500+ companies have chosen Crypto APIs precisely because the infrastructure is built for production from day one — not retrofitted for it.
When you're building a hardware wallet trusted by millions of users, a custody platform handling institutional assets, or a payment product operating under financial regulation, the API under the hood needs to match the standards your product is held to.
Sign up for a free API key — no credit card required. Full access to documentation, sandbox environment, and free tier to start building immediately.
For enterprise and custom plans, contact the team directly.
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