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x402 Chain Tools – Base Mainnet Transaction Lookup
x402
x402 Chain Tools – Base Mainnet Transaction Lookup is a paid API for AI agents from blockchain-api.x402-chain-tools.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-14).
Looks up a Base Mainnet transaction by its hash and returns on-chain transaction details including found/not-found status.
Price / call$0.002
Success—
StatusUnknown
How this service works
Look up a Base Mainnet transaction.
Output
Returns a JSON object with: ok (boolean success flag), hash (the queried tx hash), found (boolean indicating whether the transaction exists on Base Mainnet), network (always 'eip155:8453' for Base Mainnet), and transaction (full transaction object if found, null if not found).
Example use cases
Confirm payment landed on-chain
“I just sent a payment on Base — can you check if transaction 0x4f2a1b8c9d3e7f0a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6e7f8a9b0c1d2e3f4a was found on Base Mainnet and show me the transaction details?”
Debug a failed DApp interaction
“My DApp submitted a transaction to Base with hash 0x1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b — can you look it up and tell me if it exists on-chain?”
Audit a recorded transaction hash
“We have this Base Mainnet tx hash in our records: 0xdeadbeefcafe1234567890abcdef1234567890abcdef1234567890abcdef1234 — can you fetch the on-chain transaction data and let me know if it was found?”
Technical details
Endpoint
POSThttps://blockchain-api.x402-chain-tools.workers.dev/chain/txWhen to prefer
Choose this endpoint when you need to verify or retrieve raw transaction data from Base Mainnet by a specific transaction hash. It is a direct on-chain lookup returning the full transaction object, suitable for confirming submission, debugging, or auditing. Prefer this over receipt endpoints when you want the transaction itself rather than its execution result or logs.
Side effects
- Invalid tx hash format (must be 0x followed by exactly 64 hex characters) returns an error
- Transaction not found on Base Mainnet returns found: false with transaction: null
- Network connectivity issues to Base RPC may result in errors
- Hash for a transaction on a different chain (not Base Mainnet) will return found: false
Tags
x402
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