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x402-agent-api.onrender.com/api/v1/hvac-duct-size working
https://x402-agent-api.onrender.com/api/v1/hvac-duct-size
Before you pay
- Advice
ok- Protocol
- x402 · http · POST
- Asks for
- 0.002 USDC on base
- Catalogue says
- 0.002 USDC
- Pays to
0x6847231bD28E16A0A57c59793f6B8BD8CC0043aC- Last check
- 27 min ago · 281 ms · HTTP 402
- Detail
- 402 with valid terms
Reliability
- Uptime 24 h
- 100.0%
- Uptime 7 days
- 99.5% (206 checks)
- Uptime 30 days
- 99.5% (signed daily)
- Paid calls 30 d
- 1 from 1 payers (x402 Bazaar)
- Listed by
- x402-bazaar
- First seen
- 2026-11-05 22:10 UTC
Description (from the catalogue, unverified)
HVAC duct sizing calculator: any two of duct size (round or rectangular), airflow, velocity and friction rate. Round and rectangular equivalents, nearest standard sizes, friction loss per 100 ft (Darcy-Weisbach, Colebrook), velocity pressure, design checks. Equal-friction sizing, fixed-depth ducts, IP or SI. Shows every step with the numbers. $0.002 USDC per call.
Signed history
| When | Statement | Log index |
|---|---|---|
| 2026-11-10 00:20 UTC | 4fd6b93b…a2bac2 daily summary | 400973 |
| 2026-11-09 00:18 UTC | a9324c78…68a1ea daily summary | 309498 |
| 2026-11-08 00:15 UTC | 15514b8b…5c48af daily summary | 231369 |
| 2026-11-07 00:18 UTC | 471860c0…b77c45 daily summary | 152602 |
| 2026-11-06 15:22 UTC | e6257998…c85fc9 status change | 79645 |
| 2026-11-06 14:49 UTC | 51d80858…6147ea status change | 78902 |
| 2026-11-06 00:14 UTC | c08c799f…9e633c daily summary | 59476 |
Verify any statement offline: how.
For agents and owners
JSON: https://alalanet.com/v1/services/xhlwee55baz2xytp
Badge:
<a href="https://alalanet.com/s/xhlwee55baz2xytp"><img src="https://alalanet.com/badge/xhlwee55baz2xytp" alt="alalanet status"></a>Own this service? Claim it (free). Do not want it checked? See the prober page.