# EVM Transaction Lookup by Hash

> EVM Transaction Lookup by Hash is a paid API for AI agents from webtools402.176-109-107-191.sslip.io, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).

Looks up a blockchain transaction by hash on Base, Ethereum, Arbitrum, Optimism, Polygon, or BNB, returning sender, recipient, value, nonce, gas, block info, and receipt fields.

## Facts

- Endpoint: GET https://webtools402.176-109-107-191.sslip.io/tx
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/evm-transaction-lookup-by-hash-1a1d56b4
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_rOyp5EToGfr5wXb23He2N

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability evm-transaction-lookup-by-hash-1a1d56b4
```

Example prompt: Can you look up the transaction 0x4e3a...f9c2 on Arbitrum and tell me who sent it, who received it, whether it succeeded, and how much gas was used?

## When to prefer this

Use this endpoint when you need detailed on-chain transaction data (sender, receiver, value, gas, receipt status, logs) for a specific transaction hash across major EVM networks. Prefer this over block explorers when you need structured, machine-readable data for agent pipelines.

## Known failure modes

- Transaction hash not found on specified network — returns not-found response
- Transaction is still pending — returns pending status with partial data
- Invalid hash format (not 0x-prefixed 32 bytes) — returns validation error
- Unsupported network specified — returns error listing valid networks
- Network RPC timeout or connectivity issue — returns error

## How this service works

Look up a transaction by hash on Base, Ethereum, Arbitrum, Optimism, Polygon or BNB (default Base): from/to/value/nonce/gas, block, and receipt fields (status, gasUsed, logs count). Pending/not-found handled.

## Output

Returns transaction fields including from/to addresses, value transferred, nonce, gas limit and price, block number and hash, and receipt fields such as status (success/fail), gasUsed, and number of logs emitted. Handles pending and not-found transactions gracefully.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "hash"
     ],
     "properties": {
      "hash": {
       "type": "string",
       "description": "Transaction hash (0x..., 32 bytes)"
      },
      "network": {
       "enum": [
        "base",
        "ethereum",
        "arbitrum",
        "optimism",
        "polygon",
        "bnb"
       ],
       "type": "string",
       "description": "EVM network to read from (default base)"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/evm-transaction-lookup-by-hash-1a1d56b4/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from webtools402.176-109-107-191.sslip.io](https://www.zero.xyz/host/webtools402.176-109-107-191.sslip.io/llms.txt)