Price and access
gold-api.com has uncapped price requests without a key. Free history and OHLC share 10 requests an hour with a key. Premium costs $10 a month.
Metals-API starts at $19.99 a month for 2,500 requests and 10-minute updates. Extra calls cost $0.032435 each.
Coverage and history
gold-api.com covers five metals, Bitcoin and Ethereum, with 19 quote currencies. Its history returns bucket aggregates; depth is not published as of 18 Oct 2026.
Metals-API lists 644+ symbols and 185+ currencies. LBMA gold history starts in 1968 and silver in 2010. It also offers OHLC, time series, intraday and fluctuation.
Developer experience
As of 18 Oct 2026, no MCP was found on gold-api.com's pages. Its OHLC endpoint returns one open, high, low and close for the requested span.
Metals-API offers MCP. Each call counts as one request. Standard plans have no WebSocket.
Who each one fits
gold-api.com fits projects that need uncapped price requests without a key and can work with 19 quote currencies.
Metals-API fits projects needing broader metals and currency coverage, dated gold history or MCP. The trade-off is paid access with request quotas and extra-call charges.