Goldprice.dev vs OpenFIGI

Goldprice.dev is a commodity-pricing API returning live XAU/XAG/copper spot prices across 31 currencies (cross-checked via exchangerate.dev with an ECB fallback), COMEX gold futures and GLD ETF data, and over a decade of daily XAU/USD history, with every price citing its source and published methodology. Access is anonymous and keyless by default at a modest rate limit; a free API key raises throughput, and paid tiers add per-country physical dealer pricing, a volatility/probability surface, a real-time SSE/WebSocket feed, and an MCP server on every plan. A live Origin-header probe against the real API host (api.goldprice.dev) found no Access-Control-Allow-Origin header, so CORS resolves to `no` — the stored `unknown` was unresolved, not confirmed open.

OpenFIGI is Bloomberg's free public API for the Financial Instrument Global Identifier (FIGI) standard, mapping third-party symbology (tickers, ISINs, CUSIPs, SEDOLs) to FIGIs across equities, options, futures, and indices, plus full-text search and a bulk spreadsheet-upload tool. A live test of the mapping endpoint returned real data with zero API key supplied, capped at 25 requests per 60 seconds — the entry's stored `API Key` auth is corrected to `None`, since registering for a free key only raises that throughput ceiling rather than gating access. A live Origin-header probe (an OPTIONS preflight and a real POST) found no Access-Control-Allow-Origin header on either response, correcting the stored `cors: yes` to `no`.