FAILED_TRANSACTION

---

Supported Network

Network	Supporting
Ethereum Mainnet	✅
Ethereum Testnet (sepolia)	✅
Ethereum Testnet (holesky)	✅
Polygon Mainnet	✅
Polygon Testnet (amoy)	✅
Arbitrum Mainnet	✅
Arbitrum Testnet (sepolia)	✅
Optimism Mainnet	✅
Optimism Testnet (sepolia)	✅
Kaia Mainnet	✅
Kaia Testnet (kairos)	✅
Aptos Mainnet	❌
Aptos Testnet	❌

Conditions

When eventType is set to FAILED_TRANSACTION, the available condition object fields are as follows.

Key	Type	Required	Description	Example Value
addresses	Array of String	true	List of sender addresses to monitor. You receive an alert when a transaction has one of these addresses as from.	\["0x9f24190087550ddd4c1a58789f86416575c3dc55"]

Response Example

subscription_connected The user(8350954814192461336) is connected.
registered messageId: 123,
subscriptionId: 5081
subscription Event : subscriptionId: 5081,
  eventType: FAILED_TRANSACTION,
  event: {
  "targetAddress": "0x9f24190087550ddd4c1a58789f86416575c3dc55", , // ⚠️ This field will be deprecated soon
  "targetAddresses": [
    "0x9f24190087550ddd4c1a58789f86416575c3dc55"
  ],
  "messages": [
    {
      "block_hash": "0x89aae97486f4b42552176723af6f83f3fc418c2ca2ab1e1c51058e6b9c7bf659",
      "block_number": 21570391,
      "block_timestamp": 1736226347,
      "from_address": "0x9f24190087550ddd4c1a58789f86416575c3dc55",
      "gas": 268124,
      "gas_price": 8275013939,
      "hash": "0x2a52fbeeec306469db645f3eecb96510ba02f00f60cd6006ae90843c62254304",
      "input": "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",
      "max_fee_per_gas": 8275013939,
      "max_priority_fee_per_gas": 8275013939,
      "nonce": 12835,
      "to_address": "0x7d0ccaa3fac1e5a943c5168b6ced828691b46b36",
      "transaction_index": 10,
      "transaction_type": 2,
      "value": "0",
      "access_list": [],
      "receipt_contract_address": null,
      "receipt_cumulative_gas_used": 1449535,
      "receipt_effective_gas_price": 8275013939,
      "receipt_gas_used": 192789,
      "receipt_root": null,
      "receipt_status": 1,
      "type": "transaction"
    }
  ]
}