Bitcoin Signet Resources
A curated directory for developers who need more than a faucet: explorers, APIs, wallets, SDKs, BIPs, and network tools that support Signet testing.
Explorers and APIs
- mempool.space Signet explorer for blocks, transactions, addresses, and fee estimates.
- mempool.space Signet REST API for lightweight browser-side lookup tools.
- Esplora API documentation for compatible explorer endpoint shapes.
Nodes and Core Docs
- BIP-325 defines Signet and why signed blocks make it steadier for testing.
- Bitcoin Core Signet tools include helpers for custom signets and faucet-style workflows.
- bitcoin.conf documentation covers network-specific configuration.
Wallets and SDKs
- Sparrow Wallet FAQ includes network-switching guidance useful for Signet testing.
- Sparrow Wallet source for verifying downloads and releases.
- Bitcoin Dev Kit for wallet developers building and testing Bitcoin applications.
Lightning and Layer Tools
- LND sample configuration for Signet and custom Signet setups.
- Core Lightning configuration for network and node options.
- Eclair for Lightning implementation testing.
How We Choose Links
Preference goes to primary documentation, source repositories, and tools that help developers verify behavior directly. Hosted explorers and public APIs are useful, but your own Signet node remains the strongest source of truth for serious testing.