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Make your first Alchemy request

Send your first JSON-RPC request to Alchemy with cURL.

This guide shows you how to send an eth_gasPrice request to Ethereum Mainnet with cURL and verify the response.

  • An Alchemy API key. If you need one, create an API key.
  • A terminal with curl installed

Export your API key as an environment variable:

export ALCHEMY_API_KEY="YOUR_API_KEY"

Run this command:

curl "https://eth-mainnet.g.alchemy.com/v2/$ALCHEMY_API_KEY" \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"eth_gasPrice","params":[],"id":1}'

A successful response looks like this:

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x09184e72a000"
}

The result value is the current gas price in wei, encoded as hex.

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