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Create an endpointSOC 2 Type II Certified · ISO 27001

Build an ecosystem optimized for your goals while opening up new revenue streams.
Submit or update a toolUser-Controlled Wallets, Synapse Protocol and Custody each address unique challenges in the web3 ecosystem, offering complementary strengths for builders. A frontend sample app demonstrating integration of Circle's Web3 Services user-controlled wallets with gasless transactions. Synapse is an interchain messaging protocol and cross-chain bridge enabling decentralized applications to operate across multiple blockchains. Custody provides software solutions focused on secure digital asset custody management. Together, these tools serve different but overlapping user needs, making them valuable components in a modern web3 development stack.
| At a Glance | |||
| Composability | |||
| Cross-Chain | |||
| Customizability | |||
| Developer Support | |||
| Ease of Integration | |||
| Performance | |||
| Key Features | |||
| Core Capabilities | Next.js and React-based UI, SDK integration with App ID and user tokens, PIN recovery and challenge execution | Synapse Bridge, Synapse Router SDK, Bridge Widget | Secure key management, Access control and audit capabilities |
| Chain Support | +9 | +44 | |
| Best For | Infrastructure Developers, DeFi Developers | Infrastructure Developers, Cross-chain/Bridge Developers | Enterprise Blockchain Teams, Financial Institutions |
| Pricing | |||
| Free Tier | Free | Free | — |
| Paid Features | — | — | — |
| Custom Plans | — | — | — |
Explore web3 competitors and apps like User-Controlled Wallets.



