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Bundler RPC

Fully compatible with EIP-4337 standard
Powered by Particle Network's Bundler server, we provide a fast and stable bundler server. Fully compatible with EIP-4337 standard. And a lot of outstanding features:
  1. 1.
    UserOp Persistence
  2. 2.
    UserOp Concurrent Handling
  3. 3.
    Built-in gas price oracle
  4. 4.
    Multi Bundler Signers Manager
  5. 5.
    Auto fulfill bundler singers’ balance
  6. 6.
    Auto Retry for failed transaction from bundler signer account
  7. 7.
    Returns the correct Transaction even when affected by MEV
  8. 8.
    ...
For details please check our open-source bundler implementation: https://github.com/Particle-Network/particle-bundler-server

Supported Chains

  1. 1.
    Ethereum Mainnet, Goerli & Sepolia
  2. 2.
    Polygon Mainnet & Mumbai Testnet
  3. 3.
    Optimism Mainnet & Optimism Goerli Testnet
  4. 4.
    Arbitrum One & Nova & Goerli Testnet
  5. 5.
    Scroll Mainnet & Sepolia Testnet
  6. 6.
    Linea Mainnet & Testnet
  7. 7.
    Base Mainnet & Testnet
  8. 8.
    Mantle Mainnet & Testnet
  9. 9.
    Manta Mainnet & Testnet
  10. 10.
    Taiko Jolnir Testnet
  11. 11.
    Avalanche Mainnet & Fuji Testnet
  12. 12.
    BNB Chain Mainnet & Testnet
  13. 13.
    opBNB Mainnet & Testnet
  14. 14.
    Combo Testnet
  15. 15.
    ... more chains are coming

Endpoint

Base URL: https://bundler.particle.network
Add chainId to the URL: https://bundler.particle.network?chainId=137
Or you can add chainId in the request body

eth_supportedEntryPoints

Request
{
"chainId": 80001,
"jsonrpc": "2.0",
"id": 1,
"method": "eth_supportedEntryPoints",
"params": []
}
Response
{
"jsonrpc": "2.0",
"id": 1,
"result": [
// we only support this right now
"0x5ff137d4b0fdcd49dca30c7cf57e578a026d2789"
]
}

eth_estimateUserOperationGas

Request
{
"method": "eth_estimateUserOperationGas",
"params": [
// partial user operation
{
"sender": "0x8fb859e944561678be40cdd2db16551396c0b074",
"nonce": "0x0152",
"initCode": "0x",
"callData": "0x9e5d4c49000000000000000000000000329a7f8b91ce7479035cb1b5d62ab41845830ce8000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000",
"signature": "0x73c3ac716c487ca34bb858247b5ccf1dc354fbaabdd089af3b2ac8e78ba85a4959a2d76250325bd67c11771c31fccda87c33ceec17cc0de912690521bb95ffcb1b"
},
"0x5ff137d4b0fdcd49dca30c7cf57e578a026d2789"
],
"id": 1695717515,
"jsonrpc": "2.0",
"chainId": 80001
}
Response
{
"jsonrpc": "2.0",
"id": 43,
"result": {
"maxFeePerGas": "0x2718",
"maxPriorityFeePerGas": "0x2718",
"preVerificationGas": "0xb4ac",
"verificationGas": "0x0123b5",
"verificationGasLimit": "0x0123b5",
"callGasLimit": "0x01c097"
}

eth_sendUserOperation

Request
{
"method": "eth_sendUserOperation",
"params": [
// user opearation
{
"sender": "0x8Fb859E944561678be40Cdd2dB16551396c0b074",
"nonce": "0x0150",
"initCode": "0x",
"callData": "0x9e5d4c49000000000000000000000000329a7f8b91ce7479035cb1b5d62ab41845830ce8000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000",
"callGasLimit": "0xa13c",
"verificationGasLimit": "0xe2d8",
"maxFeePerGas": "0x7ca702cd",
"maxPriorityFeePerGas": "0x7ca702b0",
"paymasterAndData": "0x000031dd6d9d3a133e663660b959162870d755d4000000000000000000000000329a7f8b91ce7479035cb1b5d62ab41845830ce8000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000416665636080709b968ebec098bf71fb0e79b3b480cc9ff809f192afb478c84ec50ad2de74b93a67860542099b11a1b5dbfa9bc21a2790c58e10015ce992a02f411b00000000000000000000000000000000000000000000000000000000000000",
"preVerificationGas": "0x011120",
"signature": "0x7cc0a2ae350b79c5b189bd36d55ab6a2756097d6d37537e3ec2c26daaa82c6d909fed87ff9d79a6fa127bd798126259ee72fa9395ecbeb1f70ed22ca35983aea1c"
},
// entrypoint contract address
"0x5ff137d4b0fdcd49dca30c7cf57e578a026d2789"
],
"id": 1695717470,
"jsonrpc": "2.0",
"chainId": 80001
}
Response
{
"jsonrpc": "2.0",
"id": 1695717492,
// user operation hash
"result": "0xc876024995480fd19ddf0e72533267db7f3f20dcc1e54d27ffdd45902d954dfa"
}

eth_getUserOperationByHash

Request
{
"method": "eth_getUserOperationByHash",
"params": [
// user operation hash
"0x1ee478a6e967c407e8dfb5e3f2eb1131a7418c36396147fce1f7e81a871102a3"
],
"id": 1695717473,
"jsonrpc": "2.0",
"chainId": 80001
}
Response
{
"jsonrpc": "2.0",
"id": 49,
"result": {
"userOperation": {
"sender": "0x7038b737a81932f4fc4245A0B3453c91DE4f9FAB",
"nonce": "0x18",
"initCode": "0x",
"callData": "0xb61d27f6000000000000000000000000c1c4aa02f5b65d1a885ec5cc03b39598047390eb00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000002440d097c30000000000000000000000007038b737a81932f4fc4245a0b3453c91de4f9fab00000000000000000000000000000000000000000000000000000000",
"callGasLimit": "0x01c097",
"verificationGasLimit": "0x0123b5",
"preVerificationGas": "0xb4ac",
"maxFeePerGas": "0x2718",
"maxPriorityFeePerGas": "0x2718",
"paymasterAndData": "0x52e9605391f43197b0ca1e6ae5f969a65091fe150000000000000000000000000000000000000000000000000000000065129d050000000000000000000000000000000000000000000000000000000000000000e74ded93d8e83f0b58df25fb7aeb21a63918595a936c2288b4424919b349b3265164bb43fa1c142b83970d8aa4a64b86be1a5a8b84d5bf929209b8587c1272c21b",
"signature": "0xd8e4170b3f3782b88af7114d3db4b5b6813eafd74572d0683fa8eff7e065172243088d99f68be71b42a4228f6cb936a34acc457e02aa3ea0f5b8f43aca38207f1b",
"verificationGas": "0x0123b5"
},
"entryPoint": "0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789",
"transactionHash": "0x931a2363ac66b23ef09a54a130145bc6f61b656b21cfcad07c132cd0f6d4f029",
"blockHash": "0x06a9dde92113aff80329e10993880733d471f1d5fa2e87fd0ac12ac16e0fe733",
"blockNumber": "0x3c7dc6"
}
}

eth_getUserOperationReceipt

Request
{
"method": "eth_getUserOperationReceipt",
"params": [
// user operation hash
"0x1ee478a6e967c407e8dfb5e3f2eb1131a7418c36396147fce1f7e81a871102a3"
],
"id": 1695717473,
"jsonrpc": "2.0",
"chainId": 80001
}
Response
{
"jsonrpc": "2.0",
"id": 49,
"result": {
"userOpHash": "0xb2cc73236ea69e45de6fed082d426de4076bc8d904d3e3f2f3447db60f4eb45b",
"sender": "0x7038b737a81932f4fc4245A0B3453c91DE4f9FAB",
"nonce": "0x18",
"actualGasCost": "0x53788d58",
"actualGasUsed": "0x022299",
"success": true,
"logs": [
{
"address": "0x5ff137d4b0fdcd49dca30c7cf57e578a026d2789",
"topics": [
"0x49628fd1471006c1482da88028e9ce4dbb080b815c9b0344d39e5a8e6ec1419f",
"0xb2cc73236ea69e45de6fed082d426de4076bc8d904d3e3f2f3447db60f4eb45b",
"0x0000000000000000000000007038b737a81932f4fc4245a0b3453c91de4f9fab",
"0x00000000000000000000000052e9605391f43197b0ca1e6ae5f969a65091fe15"
],
"data": "0x000000000000000000000000000000000000000000000000000000000000001800000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000053788d580000000000000000000000000000000000000000000000000000000000022299",
"blockNumber": "0x3c7dc6",
"transactionHash": "0x931a2363ac66b23ef09a54a130145bc6f61b656b21cfcad07c132cd0f6d4f029",
"transactionIndex": "0x4",
"blockHash": "0x06a9dde92113aff80329e10993880733d471f1d5fa2e87fd0ac12ac16e0fe733",
"logIndex": "0xb",
"removed": false
}
],
"receipt": {
"type": "0x2",
"from": "0x9e375d31a8d0ed88d0ede9c7a3f775965d9442f2",
"to": "0x5ff137d4b0fdcd49dca30c7cf57e578a026d2789",
"status": "0x1",
"cumulativeGasUsed": "0xd890b",
"logsBloom": "0x000000000000000000002000000000000000000000000000000000000000000000080000000000000002000100000000001000000000000000000200000000000000000000000000000000080040000000000000000001010000000000000000000000000a0000000000000000010810000000000000200000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000400000100000000000000000000000000002040000000000000002000000000001000000020000000000000000000000000000000030000000000000000002000000000002000000000000000000000002000020000000",
"logs": [
{
"address": "0x5ff137d4b0fdcd49dca30c7cf57e578a026d2789",
"topics": [
"0xbb47ee3e183a558b1a2ff0874b079f3fc5478b7454eacf2bfc5af2ff5878f972"
],
"data": "0x",
"blockNumber": "0x3c7dc6",
"transactionHash": "0x931a2363ac66b23ef09a54a130145bc6f61b656b21cfcad07c132cd0f6d4f029",
"transactionIndex": "0x4",
"blockHash": "0x06a9dde92113aff80329e10993880733d471f1d5fa2e87fd0ac12ac16e0fe733",
"logIndex": "0x9",
"removed": false
},
{
"address": "0xc1c4aa02f5b65d1a885ec5cc03b39598047390eb",
"topics": [
"0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
"0x0000000000000000000000000000000000000000000000000000000000000000",
"0x0000000000000000000000007038b737a81932f4fc4245a0b3453c91de4f9fab",
"0x0000000000000000000000000000000000000000000000000000000000013232"
],
"data": "0x",
"blockNumber": "0x3c7dc6",
"transactionHash": "0x931a2363ac66b23ef09a54a130145bc6f61b656b21cfcad07c132cd0f6d4f029",
"transactionIndex": "0x4",
"blockHash": "0x06a9dde92113aff80329e10993880733d471f1d5fa2e87fd0ac12ac16e0fe733",
"logIndex": "0xa",
"removed": false
},
{
"address": "0x5ff137d4b0fdcd49dca30c7cf57e578a026d2789",
"topics": [
"0x49628fd1471006c1482da88028e9ce4dbb080b815c9b0344d39e5a8e6ec1419f",
"0xb2cc73236ea69e45de6fed082d426de4076bc8d904d3e3f2f3447db60f4eb45b",
"0x0000000000000000000000007038b737a81932f4fc4245a0b3453c91de4f9fab",
"0x00000000000000000000000052e9605391f43197b0ca1e6ae5f969a65091fe15"
],
"data": "0x000000000000000000000000000000000000000000000000000000000000001800000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000053788d580000000000000000000000000000000000000000000000000000000000022299",
"blockNumber": "0x3c7dc6",
"transactionHash": "0x931a2363ac66b23ef09a54a130145bc6f61b656b21cfcad07c132cd0f6d4f029",
"transactionIndex": "0x4",
"blockHash": "0x06a9dde92113aff80329e10993880733d471f1d5fa2e87fd0ac12ac16e0fe733",
"logIndex": "0xb",
"removed": false
}
],
"transactionHash": "0x931a2363ac66b23ef09a54a130145bc6f61b656b21cfcad07c132cd0f6d4f029",
"contractAddress": null,
"gasUsed": "0x22a80",
"blockHash": "0x06a9dde92113aff80329e10993880733d471f1d5fa2e87fd0ac12ac16e0fe733",
"blockNumber": "0x3c7dc6",
"transactionIndex": "0x4",
"effectiveGasPrice": "0x3e9",
"l1GasPrice": "0xe66d67b9",
"l1GasUsed": "0x2d28",
"l1Fee": "0x28a53c53b9e8",
"l1FeeScalar": "1"
},
"isPending": true
}
}

JSON-RPC Errors

Error Code
Message
-32000
System error
-32001
Unsupported chainId
-32002
Arrays are not currently supported
-32003
Not supported entry point
-32004
The UserOP is already processed
-32005
Estimate gas failed
-32600
Invalid Request
-32602
Invalid params
-32603
Not supported entry point
-32604
Send user operation failed
-32605
Validate user operation failed
-32606
Simulate user operation failed

Demos

Live Demos
Last modified 20d ago