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ARYSPHERE Ethereum Transaction Explainer
x402
ARYSPHERE Ethereum Transaction Explainer is a paid API for AI agents from api.arysphere.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-19).
Decodes and explains an Ethereum mainnet transaction by hash, returning structured details including transfers, swaps, approvals, fees, and a human-readable summary.
Price / call$0.002
Success—
StatusUnknown
How this service works
ARYSPHERE sells AI-written verdicts on Base and Ethereum token contracts (a grade, a one-liner, a roast and the contract's facts) and Base/Ethereum chain reads, paid per call in USDC on Base, Polygon, and Arbitrum over x402 v2. No account and no API key.
Output
Returns a JSON object with: transaction hash, from/to addresses, block number, confirmation status, a human-readable summary string, list of token transfers (with USD values and symbols), list of swaps (with DEX and pool), list of ERC-20 approvals, gas fee in ETH and USD, ETH/USD price at time of query (sourced from Chainlink), total log count, NFT transfers, and whether the result was truncated. Also includes RPC call count and service metadata.
Example use cases
DeFi swap transaction breakdown
“I just did a swap on Uniswap and want to understand exactly what happened — can you decode Ethereum tx 0x7250ea109382c1c23d3209c766f8a04ca749c17cf9f2ebc2963ac19b56e9966c and tell me the tokens transferred, the DEX used, and the fee I paid?”
Debugging a failed or suspicious transaction
“Something weird happened with this Ethereum transaction hash 0xabc123def456… — can you explain what it did, whether it was confirmed, what approvals it granted, and how much gas it burned?”
Portfolio transaction audit
“I need a plain-English breakdown of Ethereum transaction 0x7250ea109382c1c23d3209c766f8a04ca749c17cf9f2ebc2963ac19b56e9966c — what moved, who sent what to whom, and what did it cost me in USD?”
Technical details
Endpoint
GEThttps://api.arysphere.com/v1/ventures/x402_chain_reads_v1/eth_tx_explain?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a structured, human-readable decode of a specific Ethereum mainnet transaction — especially when you want USD-denominated fees, token transfer details, DEX swap identification, and ERC-20 approval parsing in a single call. Prefer it over raw RPC calls (eth_getTransactionByHash) when you want enriched, interpreted data rather than raw hex. Use it when you don't want to manage API keys or accounts and are comfortable paying $0.002 USDC per call via x402.
Side effects
- Invalid or malformed transaction hash (not 0x + 64 hex) returns an error
- Transaction hash not found on Ethereum mainnet returns empty or error
- Network or RPC node unavailability may cause timeouts
- Payment failure via x402 (insufficient USDC balance or unsupported chain) blocks the call
- Truncated results if the transaction has an unusually large number of logs
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"chain": "ethereum",
"cached": false,
"method": "explain",
"result": {
"to": "0x8ea5ad2a58c1dae75394b1e8636e6518eb6dac50",
"from": "0x2c2e035d20cd6da1664a7cf0eaf98e3647607304",
"hash": "0x7250ea109382c1c23d3209c766f8a04ca749c17cf9f2ebc2963ac19b56e9966c",
"block": 52718625,
"swaps": [
{
"dex": "uniswap_v3_shape",
"pool": "0x0abe41c8aaa9282429e06ebed48be36298981d94"
}
],
"wraps": [],
"status": "confirmed",
"eth_usd": 2430.46003758,
"fee_eth": "0.000003059537476466",
"fee_usd": 0.0074,
"summary": "Confirmed in block 52718625; moved 4194.908918312848701351 RECALL, 164.78 USDC; 1 swap(s); 1 approval(s); fee $0.0074.",
"approvals": [
{
"owner": "0x8ea5ad2a58c1dae75394b1e8636e6518eb6dac50",
"token": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"amount": "164.78",
"symbol": "USDC",
"spender": "0x698cb2b6dd822994581fea6ea4fc755d1363a92f",
"unlimited": false
}
],
"rpc_calls": 5,
"transfers": [
{
"to": "0x8ea5ad2a58c1dae75394b1e8636e6518eb6dac50",
"usd": 162.62,
"from": "0x0abe41c8aaa9282429e06ebed48be36298981d94",
"token": "0x1f16e03c1a5908818f47f6ee7bb16690b40d0671",
"amount": "4194.908918312848701351",
"symbol": "RECALL",
"usd_basis": "uniswap v3 deepest-pool spot"
},
{
"to": "0x0abe41c8aaa9282429e06ebed48be36298981d94",
"usd": 164.78,
"from": "0x8ea5ad2a58c1dae75394b1e8636e6518eb6dac50",
"token": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"amount": "164.78",
"symbol": "USDC",
"usd_basis": "dollar stablecoin"
}
],
"truncated": false,
"value_eth": "0",
"value_usd": 0,
"logs_total": 5,
"other_logs": 1,
"nft_transfers": [],
"eth_usd_source": "chainlink ETH/USD 0x71041dddad3595f9ced3dccfbe3d1f4b0a16bb70",
"method_selector": "0x708909ad",
"contract_created": null
},
"service": "x402_chain_reads_v1.eth_tx_explain"
}
}Tags
x402
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