stratalize.com x402 copper-price-benchmark

https://www.stratalize.com/api/x402/copper-price-benchmark

answers 402

Stratalize — attested finance, legal, healthcare, and compliance intelligence. Signed, independently verifiable receipt on every call (trust.stratalize.com/verify). IMF Grade A copper price in USD per metric ton with year-over-year change and industrial demand significance note. Use as a coincident indicator for global manufacturing and construction cycles. Source: FRED / IMF. $0.02 atomic

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.

Price: $0.02
Network: base
Pay to: 0x5d51ECC50813E0937a5c43be298E9146796ad60d
Spec dialect: v2 (declares x402Version 2)
Transport: PAYMENT-REQUIRED header
HTTP method: POST
Response latency: 123 ms
Payment options: 2 usable of 2
Last checked: 2026-08-15T14:28:12.214Z (2d ago)
Category: finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fwww.stratalize.com%2Fapi%2Fx402%2Fcopper-price-benchmark"