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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
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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
​
40113
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
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40204
Auction is not in Started state
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40205
Metadata already exists
​
40206
No need to unwarp
​
EVM-Chains Errors: 403xx
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​
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
​