# santyvv-data Chain Transaction Lookup

> santyvv-data Chain Transaction Lookup is a paid API for AI agents from x402.santyvv.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-11).

Fetches on-chain transaction details by transaction hash from a public blockchain, paid per call via x402/USDC with no API key required.

## Facts

- Endpoint: GET https://x402.santyvv.com/api/chain/transaction?utm_source=zero.xyz
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-11
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/santyvv-data-chain-transaction-lookup-adc4b4b7
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_fBs6qSLzivBNdHJ-Y0Qfy

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 santyvv-data-chain-transaction-lookup-adc4b4b7
```

Example prompt: Can you look up the on-chain transaction details for hash 0xabc123... on Base — I want to know the sender, recipient, value transferred, and whether it was confirmed?

## When to prefer this

Choose this endpoint when you need keyless, pay-per-use on-chain transaction lookup without setting up an account or API key — ideal for agents making occasional blockchain queries or prototyping. Prefer over Etherscan/Alchemy direct APIs when you want zero-setup USDC micropayment billing and normalized response format across multiple chains.

## Known failure modes

- Transaction hash not found or not yet indexed — returns 404 or empty result
- Invalid or malformed transaction hash — returns 400 bad request
- Network congestion causing slow RPC response — may time out
- Payment failure via x402 if USDC balance insufficient — request blocked before execution
- Chain not supported — endpoint may return error if hash belongs to unsupported network

## How this service works

Market and on-chain data, paid per call in USDC on Base through the x402 protocol. No accounts, no API keys. Sources are public data providers; the value added here is keyless access, edge caching, multi-source fallback and normalised responses.

## Output

Returns normalized on-chain transaction data including transaction hash, block number, sender and recipient addresses, value transferred, gas used, gas price, transaction status (success/failure/pending), and timestamp — sourced from public blockchain RPC nodes with multi-source fallback and edge caching.

## 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"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {}
    }
   },
   "additionalProperties": false
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/santyvv-data-chain-transaction-lookup-adc4b4b7/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402.santyvv.com](https://www.zero.xyz/host/x402.santyvv.com/llms.txt)