The most powerful e-commerce backend ever built
Products, variants, inventory, multi-warehouse, real-time webhooks, payments, taxes, shipping zones, promotions, abandoned carts — all in one insanely powerful, beautifully documented REST + GraphQL API.
Size, color, material, custom options — unlimited nested variants.
Order created, payment succeeded, stock low — instant & signed.
Use what you love. Both are first-class citizens.
POST /v2/products
curl -X POST https://api.massiveecom.com/v2/products \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"name": "Ultra Premium Hoodie",
"price": 12900,
"sku": "HOODIE-XL-BLK",
"variants": [
{ "size": "M", "color": "black", "stock": 45 },
{ "size": "L", "color": "white", "stock": 32 }
],
"images": ["https://..."]
}'
npm install massiveecom-sdk
# or just use fetch!
fetch("https://api.massiveecom.com/v2/products", {
headers: { "Authorization": "Bearer sk_live_..." }
})
.then(r => r.json())
.then(data => console.log(data))
Auto-resize, WebP, AVIF, CDN — just append ?w=800&fit=cover
Smart tiered limits with burst support and IP intelligence
HMAC SHA256 signatures — verify every event in one line
JavaScript, Python, PHP, Go, Ruby — auto-generated