ScriptMasterLabs.com · x402 Directory
CORE JSON Validator
Resource: https://api.coregroupimmo.com/v1/json/validate · Directory page generated 2026-11-09T12:39:40.019Z from live sources.
The facts, as last reported 2026-11-09T12:33:19.692Z: this resource answers x402 payment challenges at 0.002 USDC on Base (exact), pay to 0x3fdB182298535503354647A6C8d48A1A410E36D5. It is reported by Coinbase CDP and its directory state is live.
What it does
Use this service before importing or publishing JSON to check it against a restricted draft-07 schema. Send dataJson and schemaJson as JSON-encoded strings. Max 256 KiB UTF-8 each, depth 32; bounded node and work limits. Supports types, req
Payment options
| Network | Scheme | Asset | Amount | Pay to |
|---|---|---|---|---|
| Baseeip155:8453 | exact | USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | 0.0022000 atomic | 0x3fdB182298535503354647A6C8d48A1A410E36D5 |
Verification — the enrichment record
| Verification state | facilitator-reported |
|---|---|
| Verified / reported at | 2026-11-09T12:33:19.692Z |
| Settlement recency | listing last updated 2026-11-09T12:05:17.75Z at its source |
| Freshness | live — last reported 2026-11-09T12:33:19.692Z, listing last updated at source 2026-11-09T12:05:17.75Z |
| Reporting facilitator | Coinbase CDP |
| Sources | cdp |
| Tags | json, schema, validation |
Call it
An unpaid call returns the live 402 challenge — that challenge, not this page, is the price quote:
curl -i "https://api.coregroupimmo.com/v1/json/validate"
Pay it with any x402 client on Base. Networks: Base