TrueBlocks: pricing, API and features
Open-source local indexer for EVM chains (Unchained Index of address appearances) with the chifra CLI and local API for exporting transactions, logs and accounting data.
Visit TrueBlocks ↗ Plain link, no affiliate. Category: On-chain analytics.
At a glance: TrueBlocks (TrueBlocks) — pricing: open-source; free tier: Yes; REST: Yes; MCP: unknown; open source: Yes.
Pricing
- Model
- open-source
- Free tier
- Yes — GPL-3.0 software run locally against your own node.
- Plans
- unknown
Verified on 2026-10-30 · Source: https://raw.githubusercontent.com/TrueBlocks/trueblocks-core/master/README.md
Access & auth
- Authentication
- none
- KYC required
- No
- Notes
- Runs locally; needs an RPC endpoint. 'chifra serve' API is meant for single-user environments.
Verified on 2026-10-30 · Source: https://raw.githubusercontent.com/TrueBlocks/trueblocks-core/master/README.md
Coverage
- Exchanges
- unknown
- Chains
- EVM-compatible chains, particularly Ethereum mainnet
- Assets
- Address transaction histories, logs, ERC-20 holdings
Verified on 2026-10-30 · Source: https://raw.githubusercontent.com/TrueBlocks/trueblocks-core/master/README.md
Capabilities
- Capabilities
- onchain-metrics, historical-data
Verified on 2026-10-30 · Source: https://raw.githubusercontent.com/TrueBlocks/trueblocks-core/master/README.md
Interfaces
- REST API
- Yes
- WebSocket
- unknown
- SDKs
- go, python, typescript
- Official MCP server
- unknown
- Other
- chifra command line; local REST API via chifra serve
Verified on 2026-10-30 · Source: https://trueblocks.io/sdks/
Open source & self-hosting
- Open source
- Yes
- Licence
- GPL-3.0
- Self-host
- Yes
- Repository
- https://github.com/TrueBlocks/trueblocks-core
Verified on 2026-10-30 · Source: https://raw.githubusercontent.com/TrueBlocks/trueblocks-core/master/LICENSE
FAQ
Does TrueBlocks have a free tier?
Yes. GPL-3.0 software run locally against your own node. (verified 2026-10-30)
Does TrueBlocks offer an API?
REST: Yes. WebSocket: unknown. Official MCP server: unknown. Verified 2026-10-30.
Is TrueBlocks open source or self-hostable?
Open source: Yes; licence: GPL-3.0; self-host: Yes. Verified 2026-10-30.
What are alternatives to TrueBlocks?
Other on-chain analytics in our directory: Alchemy Data APIs, Allium, Arkham Intelligence, Artemis, Blockscout.
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