Ink Testnet: Chain ID, RPC and Faucets
Introduction To Ink Testnets
Ink has one public testnet: Ink Sepolia (chain ID 763373). Ink Sepolia is the testnet for Ink, an OP Stack Layer 2 on Ethereum.
Testnets
Ink's testnets. Each has its own page with the chain ID, endpoints and faucets.
| Network | Role | Chain ID | Endpoints responding | Faucets | Last check |
|---|---|---|---|---|---|
| Ink Sepolia | Testnet | 763373 | 4 of 4 | 3 |
Testnet notes
Setup notes and links for Ink's testnets.
Available Ink Testnets
1 network listed · DIA editorial list, updated 20 Oct 2026 · How this list is built
- docs.inkonchain.com
Ink Testnet Network Details
| Network | Chain ID | Currency symbol | Explorer | Public RPC |
|---|---|---|---|---|
| Ink Sepolia | 763373 | ETH | explorer-sepolia.inkonchain.com | rpc-gel-sepolia.inkonchain.com |
Test tokens: see the Ink faucets page.