COVALENT

Covalent

Covalent provides a unified API to bring full transparency and visibility to assets across all blockchain networks including Gather.

To get started, sign up for an API Key.

Developer Mode (JSON)

Analyst Mode (CSV)

The Covalent API is RESTful and offers the following out-of-the-box for Gather:

Covalent API

Response formats

JSON and CSV

Real time response

2 blocks

Batch response

30 minutes

Request volume limit

None

Request rate limit

5 requests per second

Base URL

https://api.covalenthq.com/v1/

Networks & chain_id

Mainnet - 192837465 Testnet - 356256156

Supported Endpoints

Class A - Balances - Transactions - Transfers - Token Holders - Log Events (Contract Address) - Log Events (Topic Hash)

Try the supported endpoints directly in your browser from our API Reference or use the following code examples. The JSON response format is the same for all endpoints:


  ❴
      "data": ..., 
      "error": false,
      "error_message": null,
      "error_code": null
  ❵

Curl

 
  curl -X GET "https://api.covalenthq.com/v1/192837465/address/0xFEC4f9D5B322Aa834056E85946A32c35A3f5aDD8/balances_v2/?key={YOUR API KEY}" -H "Accept: application/json"

JavaScript


  const APIKEY = 'YOUR API KEY';
  const baseURL = 'https://api.covalenthq.com/v1'
  const blockchainId = 192837465
  const demoAddress = '0xFEC4f9D5B322Aa834056E85946A32c35A3f5aDD8'
  
  async function getWalletBalance(chainId, address) {
      const url = new URL(`${baseURL}/${chainId}/address/${address}/balances_v2/?key=${APIKEY}`);
      const response = await fetch(url);
      const result = await response.json();
      const data = result.data;
      console.log(data)
      return data;
  }
  
  // Example address request
  getWalletBalance(blockchainId, demoAddress);

Python


  import requests
  API_KEY = 'YOUR API KEY'
  base_url = 'https://api.covalenthq.com/v1'
  blockchain_id = 192837465
  demo_address = '0xFEC4f9D5B322Aa834056E85946A32c35A3f5aDD8'
  
  def get_wallet_balance(chain_id, address):
      endpoint = f'/{chain_id}/address/{address}/balances_v2/?key={API_KEY}'
      url = base_url + endpoint
      result = requests.get(url).json()
      data = result["data"]
      print(data)
      return(data)
  
  
  # Example address request
  get_wallet_balance(blockchain_id, demo_address)

Use Cases

The Covalent API supports a broad range of Web3 data use cases including:

Gaming

DeFi Taxes

KYC

NFTs

Wallets

Dashboards

On-Chain Forensics

DAO Data

DEXs & Trading

Predictive Analytics

Governance

Pricing

Check out our collection of ready-to-ship Code Templates that you can use to build your Web3 data-powered dApps.

Resources

Here are some additional resources to help you get started with the Covalent API:

About Covalent

Covalent provides the industry-leading Unified API bringing visibility to billions of Web3 data points. Developers use Covalent to build exciting multi-chain applications like crypto wallets, NFT galleries, and investor dashboard tools utilizing data from 40+ blockchains. Covalent is trusted by a community of 35,000+ developers and powers data for 3000+ applications including 0x, Zerion, Rainbow Wallet, Rotki, Bitski and many others.

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