https://quantumbears.is/api/microapi/json-structure
delivered · 2s ago Live, and the last real purchase by Settled's scout came back with usable content.
Receipt · verified by purchase: Settled paid $0.003 on 2026-11-13 and got 292 bytes of JSON back, as listed (tx 0xef49…8a9d) · on Basescan
Last probed 2026-11-14 16:00 UTC · first seen 2026-11-13 14:50 UTC · payTo 0x676f348FCA8C9B75942B32947EDdF391e820b1d4
Validate JSON against a self-contained JSON Schema. Check JSON syntax, duplicate object keys, schema compliance and document complexity. Reports machine-readable validation errors; external references and regex constraints are unsupported.
Flags: none
Last real purchase by Settled's scout
delivered paid $0.003 on 2026-11-13 15:17 UTC · listing check: as advertised
delivered 292 bytes of JSON · settlement on Basescan
Seller
Claimed by Quantum Bear Systems · https://quantumbears.is/ (seller-published, not verified by Settled; Seller Watch active). Everything Settled knows about this seller.
Show "Checked by Settled" on your site
The badge links to this page, the live check. It shows the current state and when Settled last checked, refreshes within five minutes, and says so when a paid purchase fails. Markdown:
[](https://settled.tools/e/7034945)HTML:
<a href="https://settled.tools/e/7034945"><img src="https://settled.tools/badge/7034945.svg" alt="Checked by Settled: delivered" height="20"></a>For agents
The same facts, signed, as JSON: free check (25 a day, no key; 300 with a payer record) · MCP https://settled.tools/mcp/free · how to check before you pay.
Data: Settled probes, sanctioned venue APIs and Base on-chain payout logs. Best-effort, not financial advice. Labels marked "suspected" can be disputed. Machine-readable: /v1/income/venues · llms.txt · openapi.json