Fantom Onchain Data API

Overview

Fantom is a fast, high-throughput open-source smart contract platform for digital assets and dApps. Founded in 2018, Fantom is designed to overcome the limitations of previous-generation blockchain platforms. Fantom is permissionless, decentralized, and open-source while achieving fast finality (1-2 second transaction confirmation) and low fees ($0.00001). Furthermore, Fantom is EVM-compatible. Fantom code is completely open source. Anyone can read it, check on the progress, comment on it, and contribute. Fantom integrates industry-leaders oracle providers Chainlink and Band Protocol for maximum flexibility to access price feeds.

GoldRush offers the most comprehensive Fantom Data API suite for developers, analysts, and enterprises. Whether you’re building a DeFi dashboard, a wallet, a trading bot, an AI agent or a compliance platform, our Fantom Data APIs provide fast, accurate, and developer-friendly access to the essential onchain data you need.

Supported APIs

Foundational API

Access structured historical blockchain data across 100+ chains using REST APIs. Get token balances, transaction histories, decoded event logs, NFT assets, token holders and more.

Use cases: Wallets, portfolio trackers, crypto accounting & tax tools, and DeFi dashboards.

Mainnet

Property	Value
Chain Name	`fantom-mainnet`
Chain ID	`250`
Network Type	Community Chain
Support Level	community
Block Explorer	Explorer
Official Website	Fantom Website
Native Gas Token	FTM

API Usage

To use this blockchain network in GoldRush API calls, use:

Chain Name

fantom-mainnet (mainnet)

Example API Calls

curl -X GET "https://api.covalenthq.com/v1/fantom-mainnet/address/0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045/balances_v2/?key=<GOLDRUSH_API_KEY>"

SDK Usage

import { GoldRushClient } from "@covalenthq/client-sdk";

const client = new GoldRushClient("<GOLDRUSH_API_KEY>");
const resp = await client.BalanceService.getTokenBalancesForWalletAddress({
    chainName: "fantom-mainnet",
    walletAddress: "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
});

Foundational API Support

This chain supports 22 GoldRush Foundational APIs:

Wallet API

Pricing API

Historical Token Price API on Fantom

Security API

Token Approvals API on Fantom

Transactions API

Block Explorer API

Block API on Fantom
Block Heights API on Fantom
Chain Status API on Fantom
Contract Event Logs API on Fantom
Event Logs API on Fantom
Event Logs by Topic Hash API on Fantom
Gas Price API on Fantom
Supported Chains API on Fantom

Overview

Popular Chains 🔥

Foundational Chains

Frontier Chains

Community Chains

Archived Chains

Overview

Supported APIs

Foundational API

Mainnet

API Usage

Chain Name

Example API Calls

SDK Usage

Foundational API Support

Wallet API

Pricing API

Security API

Transactions API

Block Explorer API

Additional Resources

​Overview

​Supported APIs

Foundational API

​Mainnet

​API Usage

​Chain Name

​Example API Calls

​SDK Usage

​Foundational API Support

​Wallet API

​Pricing API

​Security API

​Transactions API

​Block Explorer API

​Additional Resources

Overview

Supported APIs

Mainnet

API Usage

Chain Name

Example API Calls

SDK Usage

Foundational API Support

Wallet API

Pricing API

Security API

Transactions API

Block Explorer API

Additional Resources