FIELD GUIDE: Live coupon API vs nightly datafeed — pick your poison

FIELD GUIDE: Live coupon API vs nightly datafeed — pick your poison
We keep hearing the same shop-floor debate, so here's the breakdown sources keep coming back to.
— Real-time API (think network deal endpoints): codes are fresh within minutes, but you eat rate limits and your pages depend on someone else's uptime. Cache aggressively or a feed hiccup deindexes your live-code modules.
— Nightly CSV/datafeed: rock-solid for static SEO landing pages, terrible for flash drops — by morning the code's dead and you're serving a 404-worthy page Google hates.
Why it matters: Mixed shops are winning — API for the 'today's codes' block, datafeed for evergreen merchant directory pages. Picking one for everything is how you end up with stale-code penalties.
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