Data

SYNTHORA Contract Watch

contractwatch.hergertsynthora.com

Monitor an EVM contract on Base or Ethereum: current security verdict plus a diff of what changed since the last check — owner, proxy implementation, proxy admin, Sourcify verification, honeypot and tax flags. Ed25519-signed, 0.02 USDC per call on Base.

Back to x402 service market

Monitor a smart contract for security verdict changes and drift between checks.

POST

https://contractwatch.hergertsynthora.com/service

Example request body

Service information

Provider: contractwatch.hergertsynthora.com
Category: Data
Uptime (30 days): 100%
Avg response time (30 days): 636 ms
Information updated: Sep 26, 2026

Transactions · 30 days

Volume: 0 USDC
Transactions: 0
Payer addresses: 0

Based on Base USDC records and updated hourly. This does not represent fulfilled sales.

Change history

Changes detected by automated probes across endpoints. Review receiving address changes before paying.

Receiving address
/service
Sep 3, 2026
Before
0x6d9f318463168ff637b50e5b9a21392e97c7c167
After
0xef879bfd6c4accb8f795136de90246e1ec245e06
Receiving address
/service
Aug 25, 2026
Before
0x10800a5a5b9d72251566ec651e862a8b4b427de0
After
0x6d9f318463168ff637b50e5b9a21392e97c7c167

Service tags

monitors

contract

ethereum

current

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