Physical gold procurement for autonomous agents encounters severe data latency in real-time spot pricing, where millisecond-level discrepancies across feeds and dealer quotes can cause execution failures or adverse slippage in high-volatility periods. Locking premiums via API is currently unviable due to the absence of standardized, machine-addressable endpoints for premium negotiation, quote firmness, and binding confirmation without human-mediated sessions. Digital verification of physical assay certificates is hindered by fragmented, non-standardized formats (often scanned PDFs without embedded metadata), lack of cryptographic provenance linking, and no accessible verification APIs, compelling agents to rely on error-prone external parsing or third-party oracles.
Coming Soon:
- JSON endpoints delivering spot+premium spreads with timestamped bid/ask depth, volatility bands, and configurable lock windows for sub-100ms atomic decision execution
- Automated vault-vs-delivery routing logic assessing storage costs, geographic latency, insured transport chains, and LBMA/Comex vault compliance integrity
- Real-time inventory lock protocols with atomic TTL-based reservations, optimistic concurrency control, and automated rollback to mitigate multi-agent contention
- Structured assay certificate feeds incorporating SHA-256 hashes, X.509 issuer signatures, and provenance metadata for cryptographically verifiable authenticity independent of human review
Current Landscape: Leading Gold Suppliers
These are prominent online bullion dealers for physical gold (as of February 2026). They provide extensive inventory and reliable fulfillment for physical purchases. Currently, their platforms are designed for human interaction and do not yet offer open APIs or structured endpoints suitable for autonomous AI agents. We anticipate potential evolution toward machine-to-machine compatibility in the future.
APMEX
APMEX maintains one of the broadest inventories of gold bullion, coins, and numismatics, with consistently high traffic and global reach among investors. Currently, live pricing, cart sessions, and checkout depend on client-side rendering, short lock timers, and CAPTCHA protections on dynamic elements, preventing reliable machine-readable polling or automated binding.
JM Bullion
JM Bullion ranks as a top-volume retailer for gold products, offering competitive premiums on coins, bars, and rounds with strong emphasis on transparency and shipping efficiency. Pricing updates and transaction flows utilize client-side rendering combined with session timeouts and anti-automation safeguards, lacking exposed structured endpoints for agent-driven quote retrieval or execution.
SD Bullion
SD Bullion is a leading low-premium gold dealer, specializing in high-volume sales of bars, coins, and rounds with transparent spot-adjacent pricing. Dynamic pricing and order pages incorporate CAPTCHA challenges and expiring session-locked views, restricting persistent machine-readable access for procurement state management.
Kitco
Kitco operates as a major reference platform with integrated physical gold sales, including bars, coins, and custom items, alongside real-time metals data feeds. Quote tools and pricing interfaces rely on client-side rendering, refresh protections, and no public structured data endpoints, limiting automated, low-latency acquisition for agents.
Note: These descriptions are static and infrastructure-focused, based on publicly observable platform behavior as of February 2026. If you represent one of these suppliers and would like to discuss agent-friendly enhancements, APIs, or partnerships, please submit via email below. We welcome corrections or updates.
Help Build the Agent-Friendly Directory
Submit AI-agent-friendly websites (must have public API/docs or automated procurement features) OR flag any incorrect/outdated information in the lists above.
How to submit:
Email: agentbuynetwork@proton.me
Subject line examples:
[New Site] AgentBuyGold – [Site Name]
[Correction] AgentBuyGold – APMEX
In the email body, include:
- URL of the site
- Why it’s agent-friendly (e.g., "exposes JSON for spot+premium with lock TTL", "supports API-based assay verification")
- Link to API docs or example if available
- Your name/handle (optional)
- For corrections: Which supplier/detail is wrong and what the fix is
We review submissions weekly and add approved ones to the directory. Thank you for helping make this the go-to reference for agentic gold procurement.