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EVM transaction lookup for 16 chains: status, fee, confirmations, decoded action...

https://saylorinnovations.com/api/explorer/tx

Overview

EVM transaction lookup for 16 chains: status, fee, confirmations, decoded action, ERC-20 and NFT transfers, and L1 data fee on L2s, read straight from chain RPC.

Protocol x402
Price $0.01
Payment Asset USD Coin
Payment Network eip155:8453
Category crypto/nft
Provider Saylor Innovations Data Desk
Source bazaar
Indexed 2026-10-21 00:23:03

Health

Status healthy
Latency (p50) 373ms
Uptime (30d) 100.0%
Reliability Score 95/100
Last Checked 2026-10-28 15:23:43
Last Healthy 2026-10-28 15:23:43
Consecutive Failures 0

x402 Payment Validation

Payment Requirements Valid
Asset Verified Known USDC
Facilitator —

Input Schema

{ "method": "GET", "queryParams": { "chain": "ethereum", "hash": "0xbb4b3fc2b746877dce70862850602f1d19bd890ab4db47e6b7ee1da1fe578a0d" }, "type": "http" }

Output Schema

{ "example": { "block_number": 20000000, "block_time": "2024-06-01T22:36:47.000Z", "chain": "ethereum", "chain_id": 1, "confirmations": 6234799, "contract_created": null, "decoded_action": { "function": null, "known": false, "risks": [ { "code": "unknown_function", "message": "The function selector is not in the built-in table, so what this transaction does is not known from the calldata alone.", "severity": "moderate" } ], "selector": "0x091a4fc4", "summary": "Unrecognised function selector 0x091a4fc4. The call cannot be decoded offline; treat it as unverified." }, "effective_gas_price_gwei": null, "fee_native": null, "from": "0xae2fc483527b8ef99eb5d9b44875f005ba1fae13", "gas_limit": 458541, "gas_used": null, "hash": "0xbb4b3fc2b746877dce70862850602f1d19bd890ab4db47e6b7ee1da1fe578a0d", "l1_data_fee_native": null, "log_count": 0, "native_symbol": "ETH", "nonce": 2756766, "note": "Read straight from chain RPC. fee_native is gas used x effective gas price. If status is mined_receipt_unavailable the transaction is in a block but this node has pruned its receipt (old history): success, fee and transfers cannot be read without an archive node. A failed transaction still pays its fee; the revert reason is not available from RPC without a trace. token_transfers lists standard ERC-20/721 Transfer events from this transaction only.", "position_in_block": 0, "selector": "0x091a4fc4", "source": "Chain JSON-RPC (ethereum)", "status": "mined_receipt_unavailable", "to": "0x6b75d8af000000e20b7a7ddf000ba900b4009a80", "token_transfers": [], "type": 2, "value_native": 1.050180096e-9, "value_wei": "1050180096" }, "type": "json" }

Recent Health Checks

Time Status HTTP Latency Error
2026-10-28 15:23:43 healthy 402 366ms
2026-10-28 14:18:22 healthy 402 368ms
2026-10-28 05:44:15 healthy 402 377ms
2026-10-28 04:46:14 healthy 402 323ms
2026-10-28 03:52:21 healthy 402 307ms
2026-10-28 02:53:11 healthy 402 393ms
2026-10-28 01:48:45 healthy 402 350ms
2026-10-28 00:41:45 healthy 402 347ms
2026-10-27 23:45:26 healthy 402 290ms
2026-10-27 22:59:33 healthy 402 344ms
2026-10-27 21:48:16 healthy 402 763ms
2026-10-27 20:33:19 healthy 402 396ms
2026-10-27 19:28:51 healthy 402 373ms
2026-10-27 17:59:33 healthy 402 614ms
2026-10-26 19:50:57 healthy 402 992ms
2026-10-25 18:43:22 healthy 402 454ms