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Request funds
Chainstack API method to request testnet funds. Developers use testnet funds for various purposes, primarily to test and develop decentralized applications (DApps), smart contracts, and other blockchain-based projects within a safe and controlled environment.
You can also request funds directly from the Chainstack Faucet page.

Path parameters

  • chain — the test network you want to receive funds on.
    • sepolia — receive testnet ETH on Ethereum Sepolia.
    • hoodi — receive testnet ETH on Ethereum Hoodi.
    • bnb-testnet — receive testnet BNB on BNB Smart Chain testnet.
    • amoy — receive testnet POL on Polygon Amoy.
    • zksync-testnet — receive testnet ETH on ZKsync Sepolia.
    • base — receive testnet ETH on Base Sepolia.
    • hyperevm — receive testnet HYPE on Hyperliquid testnet.
    • robinhood — receive testnet ETH on Robinhood Chain testnet.
    • monad — receive testnet MON on Monad testnet.
    • plasma — receive testnet XPL on Plasma testnet.
    • solana — receive SOL on Solana devnet.
    • ton — receive TON on TON testnet.
Spam protection systemTo safeguard against misuse, the Chainstack faucet implements two key checks before disbursing funds:
  1. The requesting address must have a minimum balance of 0.08 ETH on the Ethereum mainnet.
  2. The address should have a history of holding ETH on the mainnet; it should not have been recently empty.
These checks apply to the EVM networks. A solana request checks the address’s balance on Solana mainnet instead, and a ton request has no mainnet check.These precautions help us maintain the integrity of the Chainstack faucet, ensuring fair and equitable access for all users.
Faucet API base URLhttps://api.chainstack.com/v1/faucet/{chain}

Body parameters

  • address — the address that will receive the funds.

Response

  • url— the block explorer URL, including the transaction hash, to monitor the status.

Request funds from this page

You can already try this API from this page by doing the following:
  1. Get your API key and paste it into the Bearer field in the AUTHENTICATION section.
  2. At the bottom of the page, select which network you want to receive funds from.
  3. At the bottom of the page, paste your Ethereum address in the address field.

Code examples

The Faucet API is a great option for developers who don’t want to spend time hunting for testnet tokens. Here’s an example of a script that automatically refills your wallet by calling the Chainstack Faucet API every 24 hours, ensuring a seamless daily refill.

Use cases

Here are some use cases testnet funds are used for:
  • Smart contract development — with testnet funds, developers can deploy and interact with smart contracts, finding and fixing any issues before moving to the mainnet, where the real money is involved.
  • Testing DApps and infrastructure — testnet funds allow developers to try out transactions, see how user interfaces work, and check the overall functionality of their DApps and blockchain components without risking real assets.
  • Trying out new features — testnets are perfect for exploring and testing new features or updates to blockchain protocols and applications. It’s like a sandbox where developers can play around and validate their ideas before taking them live on the mainnet.
  • Stress testing and scalability — developers use testnet funds to put their DApps or smart contracts through the wringer, seeing how they perform under various conditions and loads. This helps them spot any issues and fix them before going live.
  • Learning and training — testnet funds create a risk-free space for developers, researchers, and enthusiasts to learn about blockchain technology, smart contracts, and DApps. It’s a great way to build expertise and understanding in the field.

Authorizations

Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Path Parameters

chain
enum<string>
required

The test network to receive funds on.

Available options:
sepolia,
hoodi,
bnb-testnet,
amoy,
zksync-testnet,
base,
hyperevm,
robinhood,
monad,
plasma,
solana,
ton

Body

application/json
address
string

The recipient address.

Example:

"0x06f0aB63eD883C61b9e4447fCbD9603dfC189662"

Response

Funds successfully sent.

Last modified on October 5, 2026