About Ubiquity Gas Fee Estimation API

With Ubiquity Gas Fee Estimation API you can get transaction fee estimates across multiple protocols.

This includes individual estimates for fast, medium, and slow speeds.

GET Fee Estimate

https://{ubiquity_url}/{protocol}/{network}/tx/estimate_fee

Returns fast, medium, and slow decimal fee estimations.

Developer Documentation: GET Fee Estimate
Learn how to authorize your request: Authentication Guide

Ubiquity URL

To run a query, add your Ubiquity URL. For most users this will be:

• svc.blockdaemon.com/universal/v1

An example of this is shown below:

https://svc.blockdaemon.com/universal/v1/{protocol}/{network}/tx/estimate_fee

Note: If you created your Ubiquity API Key before September 2022, add the legacy Ubiquity URL:

• ubiquity.api.blockdaemon.com/v1

An example of this is shown below:

https://ubiquity.api.blockdaemon.com/v1/{protocol}/{network}/tx/estimate_fee

Path Parameters

You should specify a protocol and a network as path parameters, e.g.:

• ethereum/mainnet

Supported Protocols and Networks

Here is a full list of supported protocols and networks with their path parameters:

Example Queries

The query in this section provides a useful example for GET Fee Estimate.

To get fee estimations for the Ethereum Mainnet network, use the following query:

https://svc.blockdaemon.com/universal/v1/ethereum/mainnet/tx/estimate_fee