TX Decoderlive
txdecode.ivan-tempo.xyz
Decode EVM transactions, raw calldata, event logs and function selectors across 6 chains. Verified ABIs with 4byte / openchain fallback. Paid via MPP — no API keys, gas abstracted.
4byte.directoryopenchain.xyzEtherscan v2
Endpoints
GET/api/decodePAID $0.01
Decode a transaction by hash
Method, parameters, value, from/to — verified ABI or 4byte/openchain fallback
GET/api/decode/calldataPAID $0.01
Decode raw calldata
Pass any 0x calldata blob; add &to=0x... for verified-ABI parameter names
GET/api/decode/deepPAID $0.04
Decode transaction + all event logs
Full event decode per log, receipt status and gas used
GET/api/decode/batchPAID $0.01/tx
Batch decode up to 20 transactions
Comma-separated hashes, price scales with count
GET/api/abiPAID $0.01
Fetch verified contract ABI
Etherscan v2 multichain — ABI plus function/event counts
GET/api/selectorPAID $0.01
Lookup a function/event selector
4-byte function selector or 32-byte event topic → human-readable signature
GET/api/simulatePAID $0.02
Simulate / replay a transaction
eth_call replay against parent block — success, return data, revert reason
GET/api/infoFREE FREE
Service information
Returns service metadata and endpoint list
Quick Start
Decode a transaction by hash
curl "https://txdecode.ivan-tempo.xyz/api/decode?tx=0x...&chain=eth"Decode raw calldata
curl "https://txdecode.ivan-tempo.xyz/api/decode/calldata?data=0xa9059cbb...&chain=eth"Decode transaction + all event logs
curl "https://txdecode.ivan-tempo.xyz/api/decode/deep?tx=0x...&chain=eth"Batch decode up to 20 transactions
curl "https://txdecode.ivan-tempo.xyz/api/decode/batch?txs=0xaaa,0xbbb&chain=eth"Supported Chains
EthereumBaseArbitrumOptimismPolygonBNB Chain
Payment
ProtocolMPP (Micropayment Protocol)
CurrencyUSDC.e on Tempo
Price range$0.01 – $0.04 per call
GasAbstracted — zero gas fees
Token address0x20C000000000000000000000b9537d11c60E8b50
Recipient0x0d509f743bc6fc907d5f63d8b0dae1fca8d80897