Error Reference
Learn about the standard JSON-RPC error codes and Particle Network's custom error codes
For JSON-RPC-specific errors, our API returns a 200 with the JSON-RPC error in the JSON response.

Example Error Response

{
"jsonrpc": "2.0",
"chainId": 101, // optional; only chains's rpc returns this
"id": 1,
"error": {
"code": -32602,
"message": "Invalid params: invalid length 63, expected a 0x-prefixed, padded, hex-encoded hash with length 64.",
"data": {
"extraMessage": ""
}
}
}

JSON-RPC Error Codes

Code
Possible Return Message
Description
System Errors
10001
System error
Internal JSON-RPC error.
10002
Invalid parameters
Invalid method parameter(s).
Common Errors: 401xx
40101
User not exists
40102
Authentication failed
Invalid project ID or invalid project key.
40103
Address not exists
40104
Insufficient funds
40105
EIP1559: Invalid fee setting
40106
Nonce error
40107
Cancel the biggest nonce first
Cancel local status transaction must from the biggest to the smallest.
40108
Transaction confirmed
Can not speed up or cancel a confirmed transaction.
40109
gasLimit too low
40110
JsonRPC request body error
40111
The contract doesn't exist or is unverified
40112
The contract is not locked for the user
40103
EIP1559 transaction is not supported
Solana Errors: 402xx
40201
Transaction Error
40202
You can not settle the auction, because you have not participated in the auction
40203
You are not the creator of this metadata
40204
Auction is not in Started state
40205
Metadata already exists
40206
No need to unwarp
EVM-Chains Errors: 403xx
40301
Swap Error
JSON RPC Standard Errors: -32xxx
-32700
Parse error
Invalid JSON was received by the server. An error occurred on the server while parsing the JSON text.
-32600
Invalid request
The JSON sent is not a valid Request object.
-32601
Method not found
The method does not exist/is not available.
-32602
Invalid parameters
Invalid method parameter(s).
-32603
Internal error
Internal JSON-RPC error.
-32000
Server error
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Example Error Response
JSON-RPC Error Codes