Oasis Onchain Data API

Get token balances and transactions for Oasis. 22 endpoints supported.

Overview

The Oasis Emerald ParaTime is the official EVM compatible ParaTime providing smart contract environment with full EVM compatibility.

GoldRush offers the most comprehensive Oasis 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 Oasis 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.

Read docs

Mainnet

Property	Value
Chain Name	emerald-paratime-mainnet
Chain ID	42262
Network Type	Community Chain
Support Level	community
Block Explorer	Explorer
Official Website	Oasis Website
Native Gas Token	ROSE

API Usage

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

Chain Name

• emerald-paratime-mainnet (mainnet)

Example API Calls

Chain Name (Mainnet)

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

SDK Usage

TypeScript SDK (Mainnet)

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

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

Foundational API Support

This chain supports 22 GoldRush Foundational APIs:

Wallet API

• ERC-20 Token Balance API on Oasis
• Native Token Balance API on Oasis
• Historical Portfolio Value API on Oasis
• ERC-20 Token Transfers API on Oasis

Pricing API

• Historical Token Price API on Oasis

Security API

• Token Approvals API on Oasis

Transactions API

• Transaction API on Oasis
• Wallet Transaction Summary API on Oasis
• Earliest Wallet Transactions API on Oasis
• Wallet Transaction History API on Oasis
• Paginated Wallet Transactions API on Oasis
• Time Bucket Transactions API on Oasis
• Block Transactions API on Oasis
• Block Transactions API by Page on Oasis

Block Explorer API

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

Additional Resources

• GoldRush API Documentation
• Supported Chains List
• API Reference