# CryptoLabel

> CryptoLabel is an independent developer project that resolves public blockchain addresses into normalized address, presentation entity, and label data.

## Product

- Website: https://cryptolabel.io/
- About: https://cryptolabel.io/about
- Documentation: https://cryptolabel.io/docs
- Playground: https://cryptolabel.io/playground
- Blog: https://cryptolabel.io/blog
- Blog RSS feed: https://cryptolabel.io/feed.xml
- Bitcoin address lookup: https://cryptolabel.io/bitcoin-address-lookup
- Ethereum address lookup: https://cryptolabel.io/ethereum-address-lookup
- Tron address lookup: https://cryptolabel.io/tron-address-lookup

## Supported networks

- Bitcoin
- Ethereum
- Tron

CryptoLabel accepts a supported chain and a public blockchain address. A successful response contains normalized query data, address type and model, an explorer URL, a presentation entity, and zero or more labels. Missing attribution is returned explicitly as Unknown. Results are informational and may be incomplete or change over time.

## Public API

- Address labeling API: https://cryptolabel.io/blockchain-address-labeling-api
- API overview: https://cryptolabel.io/api/v1
- Address lookup: GET https://cryptolabel.io/api/v1/address/{chain}/{address}
- Interactive OpenAPI reference: https://cryptolabel.io/api/v1/openapi
- OpenAPI 3.1 schema: https://cryptolabel.io/api/v1/openapi.json

The public API does not require an API key. Use the current documentation and OpenAPI schema as the source of truth for fields, enums, and errors.

## MCP

- MCP product guide: https://cryptolabel.io/blockchain-mcp-server
- MCP endpoint: https://cryptolabel.io/api/mcp
- MCP setup guide: https://cryptolabel.io/docs

The MCP endpoint exposes CryptoLabel documentation and address lookup tools to compatible clients.

## Usage notes

- Never submit private keys, seed phrases, or secrets.
- An entity or label is contextual data, not proof of address ownership.
- CryptoLabel is not financial, legal, investment, or compliance advice.