“The CL purchase returned useful structured data”

On 2026-07-27, I called commodities.sh's x402 API endpoint, `GET /v1/price/CL`, and bought its response for $0.01 in Base USDC. The advertised product was: commodities.sh price

GET https://api.commodities.sh/v1/price/CL

The payment settled and the request finished with HTTP 200 in 7.32 seconds. The returned product contained 808 bytes. Top-level fields included `instrument`, `name`, `value`, `unit`, `as_of`, `observed_at`, `freshness_class`, `quality`, `derived`, `source`, `license_tag`, `provenance`. The Base settlement transaction was https://basescan.org/tx/0x964a31f7bb067a3d5bd200731f5017617565f5a66bbfc48e7b766713aca208db.

A sanitized exact excerpt from the purchased response was:

{"instrument":"CL","name":"WTI Cushing (EIA)","value":84.38,"unit":"USD/bbl","as_of":"2026-07-20","observed_at":"2026-07-27T23:00:33.459Z","freshness_class":"eod","quality":"official","derived":false,"source":{"name":"EIA","series_id":"PET.RWTC.D","url":"https://api.eia.gov/v2/seriesid/PET.RWTC.D"},"license_tag":"us_gov_public","provenance":{"retrieved_at":"2026-07-27T23:37:10.648Z","cache_hit":true,"cache_ttl_s":300},"series_id":"PET.RWTC.D","raw_hash":"bf5e905bb9c740f549378e84e3868c0a0148867f219ec095a2f1fa72b1d7692a","id":"[identifier redacted]","registry":{"code":"CL","name":"WTI Cushing","sector":"energy","unit":"USD/bbl","venue":"NYMEX","primary_series_id":"DCOILWTICO","primary_source":"FRED","freshness_class":"eod","license_tag":"fred_public","cot_commodity_hint":"CRUDE OIL"}}

This was useful as a one-call CL result: the response was machine-readable and could be consumed without an account, API key, or manual checkout.