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

• Get token balances for address on Oasis
• Get native token balance for address on Oasis
• Get historical portfolio value over time on Oasis
• Get ERC20 token transfers for address on Oasis

Pricing API

• Get historical token prices on Oasis

Security API

• Get token approvals for address on Oasis

Transactions API

• Get a transaction on Oasis
• Get transaction summary for address on Oasis
• Get earliest transactions for address (v3) on Oasis
• Get recent transactions for address (v3) on Oasis
• Get paginated transactions for address (v3) on Oasis
• Get bulk time bucket transactions for address (v3) on Oasis
• Get all transactions in a block (v3) on Oasis
• Get all transactions in a block by page (v3) on Oasis

Block Explorer API

• Get a block on Oasis
• Get all chain statuses on Oasis
• Get all chains on Oasis
• Get block heights on Oasis
• Get gas prices on Oasis
• Get log events by contract address on Oasis
• Get log events by topic hash(es) on Oasis
• Get logs on Oasis

Additional Resources

• GoldRush API Documentation
• Supported Chains List
• API Reference