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The First Digital Labs Testnet Faucet dispenses test FDUSD and other tokens on supported testnets. Use them to test Prism integrations and Agent Wallet transactions end to end.

First Digital Labs Testnet Faucet

Get test FDUSD and other stablecoins on supported testnet chains

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Getting Test Tokens

  1. Visit the First Digital Labs Testnet Faucet
  2. Enter your wallet address (your Agent Wallet address or any testnet address)
  3. Select the token and testnet chain
  4. Request tokens
Tokens typically arrive within a few seconds on testnet chains.

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Using Test Tokens

Testing Prism integrations:
  • Set up your SDK middleware with testnet chain IDs (e.g., Base Sepolia: 84532)
  • Use test stablecoins to simulate the full x402 payment flow
  • Webhooks fire normally on testnet — test your full payment pipeline
Testing Agent Wallet:
  • Fund your agent wallet with test stablecoins
  • Test transfers, swaps, and commerce payments without risk

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Testnet Chains

For native gas tokens (testnet ETH, etc.), use the respective chain faucets (e.g., Base Sepolia Faucet).

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Other Faucets

Beyond test FDUSD, you’ll likely need native gas tokens and other test tokens. These directories list faucets across chains:
Last modified on March 24, 2026