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Supported Chains

Our verifying paymasters allows you to sponsor User Operations on-chain with our paymaster contracts.

In exchange for sponsoring the on-chain gas fees, we deduct from your balance off-chain.

The following chains are supported

ChainMainnetTestnet
Ethereum✅ 1 (ethereum)✅ 11155111 (sepolia)
Arbitrum✅ 42161 (arbitrum)✅ 421614 (arbitrum-sepolia)
Polygon✅ 137 (polygon)✅ 80002 (polygon-amoy)
Optimism✅ 10 (optimism)✅ 11155420 (optimism-sepolia)
Zora✅ 7777777 (zora)✅ 999999999 (zora-sepolia)
Gnosis✅ 100 (gnosis)✅ 10200 (chiado-testnet)
Linea✅ 59144 (linea)✅ 59141 (linea-sepolia)
Base✅ 8453 (base)✅ 84532 (base-sepolia)
Redstone✅ 690 (redstone)✅ 17069 (garnet-holesky)
Avalanche C-Chain✅ 43114 (avalanche)✅ 43113 (avalanche-fuji)
Scroll✅ 534352 (scroll)✅ 534351 (scroll-sepolia-testnet)
Celo✅ 42220 (celo)✅ 44787 (celo-alfajores-testnet)
BSC✅ 56 (binance)✅ 97 (binance-testnet)
Cyber L2✅ 7560 (cyber-mainnet)✅ 111557560 (cyber-testnet)
DFK Chain✅ 53935 (dfk-chain)✅ 335 (dfk-chain-test)
Klaytn✅ 8217 (klaytn-cypress)✅ 1001 (klaytn-baobab)
Mode✅ 34443 (mode)✅ 919 (mode-sepolia)
Xai Orbit✅ 660279 (xai)✅ 37714555429 (xai-sepolia-orbit)
Blast✅ 81457 (blast)✅ 168587773 (blast-sepolia)
Arbitrum Nova✅ 42170 (arbitrum-nova)
opBNB✅ 204 (opbnb)
Nautilus✅ 22222 (nautilus)
Fuse✅ 122 (fuse)
Fraxtal✅ 252 (fraxtal)
Kinto✅ 7887 (kinto)
Lyra✅ 957 (lyra)
Mantle✅ 5000 (mantle)
Form✅ 132902 (form-testnet)
Taiko✅ 167008 (taiko-katla-l2)
Story Protocol✅ 1513 (story-testnet)
Camp✅ 90354 (camp-sepolia)
B3✅ 1993 (b3-sepolia)
Plume✅ 161221135 (plume-testnet)

All calls are in JSON-RPC format and have to be made to the following URL: https://api.pimlico.io/v2/{chain}/rpc?apikey=[YOUR_API_KEY_HERE]

Where {chain} is the chain variable (such as sepolia or polygon) as found in the table above.