Bullion API

What you can ask for

Every plan can call every endpoint. Each item says where it opens.

• Spot prices

  GET /v1/gold/price

  Any of the five metals in any of 151 currencies, per troy ounce, gram or kilogram.

  Open the data →

• Price history

  GET /v1/gold/change

  Daily closes where available, and the change over a day, week, month or year.

  Open the data →

• Gold metrics

  GET /v1/gold/carat

  Price per gram for each karat from 24k to 6k, the gold/silver ratio, moving averages, volatility and drawdown.

  API docs →

• Central banks

  GET /v1/central-bank-gold

  Gold holdings and reserve values by country.

  Open the data →

• Economic data

  GET /v1/inflation

  Policy rates, inflation, bond yields and government debt for the US, UK and euro area.

  Open the data →

• Portfolio

  GET /v1/portfolio/lots

  An API for your own holdings: record buys and sells and value them in the currency you report in.

  API docs →

Pricing

Flat monthly prices, or two months free when you pay yearly. No overage fees.

• Free trial

  $0 for 14 days

  1,000 requests to try it out, not for commercial use.

  Start a free trial

• Starter

  $5 a month

  50,000 requests a month, commercial use included.

  Choose Starter

• Pro

  $15 a month

  300,000 requests a month, commercial use included.

  Choose Pro

• Business

  $39 a month

  2 million requests a month, commercial use included, with a data processing agreement.

  Choose Business

• Scale

  $99 a month

  10 million requests a month, commercial use included, with a data processing agreement.

  Choose Scale

Need to redistribute, resell or white-label the data? Redistribution starts at $249 a month. See Redistribution on bullionapi.dev

Changelog

What changed recently. I build and run all of it: the API design, accounts, billing, data providers and hosting.

More about the Bullion API