StakTrakr API

Public data feeds for precious metals prices — market, spot, and Goldback rates.
Used by staktrakr.com · Source: lbruton/StakTrakrApi

Free & public — no auth required

Base URL

https://api.staktrakr.com/data/All endpoints are relative to this base

Endpoints

PathDescriptionUpdated
api/manifest.json Market (retail) prices for all tracked coins
Key fields: coins[], generated_at (ISO 8601 UTC) 		Every 15 min
hourly/YYYY/MM/DD/HH.json Spot prices for a specific UTC hour
Array of {timestamp, gold, silver, platinum, palladium} entries. Use current UTC hour; fall back to previous if not yet written. 		Twice/hour
api/goldback-spot.json Goldback G1 exchange rate
Key fields: g1_usd, scraped_at (ISO 8601 UTC) 		Daily
api/{coin-slug}/latest.json Latest retail price for a specific coin
e.g. api/ase/latest.json for American Silver Eagle 		Every 15 min
spot-history-YYYY.json Yearly spot price history (seed file)
One entry per day at noon UTC. For live data use the hourly/ endpoint above. 		Daily (noon UTC)

Example: Current spot price

const now = new Date();
const y  = now.getUTCFullYear();
const mo = String(now.getUTCMonth() + 1).padStart(2, "0");
const d  = String(now.getUTCDate()).padStart(2, "0");
const hr = String(now.getUTCHours()).padStart(2, "0");

const url = `https://api.staktrakr.com/data/hourly/${y}/${mo}/${d}/${hr}.json`;
const entries = await fetch(url).then(r => r.json());
const latest  = entries.at(-1);  // most recent entry in the hour
console.log(latest);
// { timestamp: "2026-02-22 18:00:00", gold: 2910.50, silver: 32.14, ... }

Example: Market prices

const manifest = await fetch("https://api.staktrakr.com/data/api/manifest.json")
  .then(r => r.json());

console.log(manifest.generated_at);  // "2026-02-22T18:05:00Z"
console.log(manifest.coins);         // [ { slug: "ase", name: "American Silver Eagle", ... }, ... ]

Notes

All timestampsISO 8601 UTC (Z suffix) or naive "YYYY-MM-DD HH:MM:SS" (treat as UTC)
CORSGitHub Pages serves permissive headers — suitable for browser fetch() calls
Rate limitingNo enforced limit, but please cache responses — data only changes on the schedule above
AvailabilityServed via GitHub Pages — no SLA, but historically very reliable