# 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.

{% content-ref url="../../blockchain-apis/ethereum-api" %}
[ethereum-api](https://docs.watchdata.io/blockchain-apis/ethereum-api)
{% endcontent-ref %}

{% content-ref url="../../blockchain-apis/bitcoin-api" %}
[bitcoin-api](https://docs.watchdata.io/blockchain-apis/bitcoin-api)
{% endcontent-ref %}

{% content-ref url="../../blockchain-apis/binance-smart-chain-api" %}
[binance-smart-chain-api](https://docs.watchdata.io/blockchain-apis/binance-smart-chain-api)
{% endcontent-ref %}

{% content-ref url="../../blockchain-apis/tron-api" %}
[tron-api](https://docs.watchdata.io/blockchain-apis/tron-api)
{% endcontent-ref %}