> For the complete documentation index, see [llms.txt](https://docs.watchdata.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.watchdata.io/welcome-to-watchdata-docs/features/blockchain-api.md).

# Blockchain API

With WatchData’s API, you can get to Raw blockchain data: balances, transactions, blocks, tokens transfers, logs, and others. 

**Interact with multiple blockchains in a unified way!**

## Advantages of our Blockchain API

### ✅ No need to run your own node

Spare yourself from development costs and associated expenses. Call most JSON-RPC methods via our API in the same way as sending to an own node.

### ✅ Data correctness

You can't afford to lose data. And you certainly can't afford to have a single point of failure. <mark style="color:purple;">**This is why**</mark> WatchData Blockchain API is perfect for you: its proprietary coordinator service ensures that your data is always correct, real-time, and in sync.

### ✅ Fast & reliable

Gain instant access to blocks, transactions, and contracts using raw data. <mark style="color:purple;">**Get advantage**</mark> of fast access for blocks, transactions and contracts using the raw data.

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[Ethereum API](/blockchain-apis/ethereum-api.md)
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[Bitcoin API](/blockchain-apis/bitcoin-api.md)
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[Binance Smart Chain API](/blockchain-apis/binance-smart-chain-api.md)
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[Tron API](/blockchain-apis/tron-api.md)
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