Nine production patterns built on the Collector Stash Market API. Each guide ships with runnable code in curl, Python, TypeScript, PHP and Node — pick the closest one and copy-paste your way to a working integration.
Daily revaluation of 10k+ singles, dynamic buy-lists per condition, slow-mover alerts, multi-marketplace listing sync.
Square / Lightspeed / Shopify-POS / custom — scan a card, get card_id + market price + condition multiplier in < 500 ms.
/card, /price, /scan and /alert slash-commands. Full discord.py + discord.js examples.
500k+ cards, master-card cross-links for JP/KR, CDN images, 5-source pricing, 7/30/90d trends, webhook alerts.
REST cron, WebSocket card-stream, or signed Business+ webhooks. Email / SMS / push examples.
Bulk-price entire portfolios with condition multipliers and multi-currency conversion.
Recognise → price → list pipeline. Exact Cardmarket/TCGPlayer URLs, slow-mover auto-discount, fee-preview.
Limitless + MTGTop8 results, meta-relevance per card, deck win-rates, Stash Score for speculation targets.
Photo → top-3 candidates + confidence + capture-quality + fake-risk. Slab-back endpoint for graded CGC/PSA/BGS/SGC.