# Blockchain APIs
## Introduction
The fastest and easiest way to interact with DeFi.
With this SDK you can:
- Get the price of any pair across all marketplaces in one API call
- Get the current reserves of any pair
- Use the same code to gather data from many blockchains and exchanges
Since DeFi is volatile and fast moving space, you need an SDK that is highly performant. Here are the capabilities of **Blockchain APIs**:
- Make async API calls for more than 1000 requests per second
- Processing time 20 times faster than the blockchain
Examples of project that you can make with **Blockchain APIs**:
- Arbitrage trading bot
- Aggregator
- Application to track cryptocurrency prices
To get any help, feel free to join [our discord](https://discord.gg/GphRMJXmS5)
Documentation link: [https://api.blockchainapis.io/docs](https://api.blockchainapis.io/docs)
## Quickstart
### Install the package
`pip install blockchain-apis`
### Get the current price of ethereum accross all blockchains
```python
import asyncio
from blockchainapis import BlockchainAPIs
async def print_eth_price():
blockchain_apis = BlockchainAPIs()
# Get the price of selling 1 ETH to USDT in Ethereum
eth_price = await blockchain_apis.amount_out(
blockchain="ethereum",
amountIn=1000000000000000000,
tokenIn="0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
tokenOut="0xdAC17F958D2ee523a2206206994597C13D831ec7"
)
print(eth_price)
await blockchain_apis.close()
asyncio.run(print_eth_price())
```
#### Example response:
```json
[
{
"blockchain": "ethereum",
"exchange": "elk_finance_ethereum",
"tokenIn": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
"tokenOut": "0xdAC17F958D2ee523a2206206994597C13D831ec7",
"amountIn": 1000000000000000000,
"amountOut": 149342441
},
{
"blockchain": "ethereum",
"exchange": "pancakeswap_ethereum",
"tokenIn": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
"tokenOut": "0xdAC17F958D2ee523a2206206994597C13D831ec7",
"amountIn": 1000000000000000000,
"amountOut": 1873655816
},
{
"blockchain": "ethereum",
"exchange": "plasmafinance_ethereum",
"tokenIn": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
"tokenOut": "0xdAC17F958D2ee523a2206206994597C13D831ec7",
"amountIn": 1000000000000000000,
"amountOut": 8710340
},
{
"blockchain": "ethereum",
"exchange": "shibaswap_ethereum",
"tokenIn": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
"tokenOut": "0xdAC17F958D2ee523a2206206994597C13D831ec7",
"amountIn": 1000000000000000000,
"amountOut": 1897543149
},
{
"blockchain": "ethereum",
"exchange": "sushiswap_ethereum",
"tokenIn": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
"tokenOut": "0xdAC17F958D2ee523a2206206994597C13D831ec7",
"amountIn": 1000000000000000000,
"amountOut": 1905389353
},
{
"blockchain": "ethereum",
"exchange": "uniswapv2_ethereum",
"tokenIn": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
"tokenOut": "0xdAC17F958D2ee523a2206206994597C13D831ec7",
"amountIn": 1000000000000000000,
"amountOut": 1904261651
}
]
```
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"description": "# Blockchain APIs\n\n## Introduction\n\nThe fastest and easiest way to interact with DeFi.\n\nWith this SDK you can:\n- Get the price of any pair across all marketplaces in one API call\n- Get the current reserves of any pair\n- Use the same code to gather data from many blockchains and exchanges\n\nSince DeFi is volatile and fast moving space, you need an SDK that is highly performant. Here are the capabilities of **Blockchain APIs**:\n- Make async API calls for more than 1000 requests per second\n- Processing time 20 times faster than the blockchain\n\nExamples of project that you can make with **Blockchain APIs**:\n- Arbitrage trading bot\n- Aggregator\n- Application to track cryptocurrency prices\n\nTo get any help, feel free to join [our discord](https://discord.gg/GphRMJXmS5)\nDocumentation link: [https://api.blockchainapis.io/docs](https://api.blockchainapis.io/docs)\n\n## Quickstart\n\n### Install the package\n\n`pip install blockchain-apis`\n\n### Get the current price of ethereum accross all blockchains\n\n```python\nimport asyncio\n\nfrom blockchainapis import BlockchainAPIs\n\nasync def print_eth_price():\n blockchain_apis = BlockchainAPIs()\n # Get the price of selling 1 ETH to USDT in Ethereum\n eth_price = await blockchain_apis.amount_out(\n blockchain=\"ethereum\",\n amountIn=1000000000000000000,\n tokenIn=\"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2\",\n tokenOut=\"0xdAC17F958D2ee523a2206206994597C13D831ec7\"\n )\n\n print(eth_price)\n await blockchain_apis.close()\n\nasyncio.run(print_eth_price())\n```\n\n#### Example response:\n\n```json\n[\n {\n \"blockchain\": \"ethereum\",\n \"exchange\": \"elk_finance_ethereum\",\n \"tokenIn\": \"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2\",\n \"tokenOut\": \"0xdAC17F958D2ee523a2206206994597C13D831ec7\",\n \"amountIn\": 1000000000000000000,\n \"amountOut\": 149342441\n },\n {\n \"blockchain\": \"ethereum\",\n \"exchange\": \"pancakeswap_ethereum\",\n \"tokenIn\": \"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2\",\n \"tokenOut\": \"0xdAC17F958D2ee523a2206206994597C13D831ec7\",\n \"amountIn\": 1000000000000000000,\n \"amountOut\": 1873655816\n },\n {\n \"blockchain\": \"ethereum\",\n \"exchange\": \"plasmafinance_ethereum\",\n \"tokenIn\": \"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2\",\n \"tokenOut\": \"0xdAC17F958D2ee523a2206206994597C13D831ec7\",\n \"amountIn\": 1000000000000000000,\n \"amountOut\": 8710340\n },\n {\n \"blockchain\": \"ethereum\",\n \"exchange\": \"shibaswap_ethereum\",\n \"tokenIn\": \"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2\",\n \"tokenOut\": \"0xdAC17F958D2ee523a2206206994597C13D831ec7\",\n \"amountIn\": 1000000000000000000,\n \"amountOut\": 1897543149\n },\n {\n \"blockchain\": \"ethereum\",\n \"exchange\": \"sushiswap_ethereum\",\n \"tokenIn\": \"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2\",\n \"tokenOut\": \"0xdAC17F958D2ee523a2206206994597C13D831ec7\",\n \"amountIn\": 1000000000000000000,\n \"amountOut\": 1905389353\n },\n {\n \"blockchain\": \"ethereum\",\n \"exchange\": \"uniswapv2_ethereum\",\n \"tokenIn\": \"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2\",\n \"tokenOut\": \"0xdAC17F958D2ee523a2206206994597C13D831ec7\",\n \"amountIn\": 1000000000000000000,\n \"amountOut\": 1904261651\n }\n]\n```\n",
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