API reference

Comprehensive API documentation for building decentralized applications on the Midnight blockchain. These APIs provide the foundational building blocks for smart contract interaction, wallet integration, blockchain queries, and transaction management.

Core APIs

Compact Runtime

Runtime primitives for Compact smart contracts.

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Midnight.js

TypeScript SDK for building decentralized applications.

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DApp Connector

Standard interface for connecting DApps to Midnight wallets.

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Midnight Indexer

GraphQL API for querying blockchain data.

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Blockchain interactions

Ledger

TypeScript bindings for transaction assembly and ledger operations.

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Onchain Runtime

Low-level interface to Midnight's onchain runtime.

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ZSwap

Privacy pool implementation for shielded transactions.

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Testing and development

Testkit.js

Comprehensive testing solution for Midnight applications.

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Version compatibility

For the latest version information and compatibility matrix, see the release notes and support matrix.