generated: '2026-07-18' method: searched source: https://docs.request.finance/testing notes: >- Request Finance test environment. Test-mode requests use a Test API key and are persisted on the Ethereum Sepolia testnet; the X-Network header (test|live) selects the environment for OAuth calls. All values below are published in the provider docs verbatim — none are invented. test_vs_live: mechanism: separate Test and Live API keys; X-Network header (test|live) for OAuth test_api_keys_at: https://app.request.finance/account/api-keys sandbox: app_url: https://baguette-app.request.finance/ staging_auth: https://baguette-app.request.finance/ credentials: use your existing Request Finance credentials network: Ethereum Sepolia testnet payments: native_test_token: ETH on Sepolia (fund via a public Sepolia faucet) test_erc20: symbol: FAU pegged_to: DAI contract: '0x370de27fdb7d1ff1e1baa7d11c5820a324cf623c' mint: call mint() on the FAU contract on Sepolia Etherscan decimals: 18 note: >- The account that issues an invoice cannot be the account that pays it; create a second Request Finance account for the buyer role when testing payments. tooling: postman_collection: https://www.postman.com/request-finance/workspace/request-finance-api-public