index.md

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Reference content for the Gas API.	API reference

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Gas API reference

This section provides reference information for the Gas REST APIs. Use the APIs to:

• Get EIP-1559 gas prices.
• Get the base fee history (in Gwei).
• Get the base fee percentile (in Gwei).
• Get the busy threshold for a network.

:::info See the list of supported Gas API networks. :::

Supported API request formats

You can call the Gas APIs in two ways:

• Using the API key only - Add your API key as a path option.
• Using the API key and API key secret - Use basic authentication and specify the API key and API key secret.

curl -X "GET" "https://gas.api.infura.io/v3/<YOUR-API-KEY>/networks/1/suggestedGasFees"

curl -X "GET" -u <YOUR-API-KEY>:<YOUR-API-KEY-SECRET> "https://gas.api.infura.io/networks/1/suggestedGasFees"