One platform. Every dollar that changes hands.
Checkout, payments, customer service, and subscriptions — engineered together so they compound instead of fighting each other.
The fastest checkout on the open web.
Drag-and-drop builder, sub-0.9s render, 1-click reorder, post-purchase upsells, and a CDN-first architecture that doesn't crumble on Black Friday.
- Drag-and-drop checkout builder
- Sub-0.9s render globally
- 1-click reorder for returning shoppers
- Post-purchase upsell + cross-sell
- 100+ A/B variants out of the box
- PCI Level 1 certified iframe
Approval-rate optimization, not just gateways.
Route every transaction to the processor most likely to approve it. Auto-failover on decline. Unlimited merchant IDs. Native 3DS2 and ML-based fraud scoring.
- 40+ processors out of the box
- Smart approval-rate routing
- Auto-failover on decline (<1s)
- Unlimited merchant IDs
- 3DS2 + ML fraud scoring
- Auto chargeback dispute filing
An inbox built around the order, not the email.
Email, SMS, chat, IG/TikTok DMs, and order replies — every channel, stitched to the customer's order history. Agents resolve 3× faster, customers stop repeating themselves.
- Unified email/SMS/chat/social inbox
- Full order + subscription context inline
- AI-suggested replies in your tone
- One-click refund + RMA
- Macros, snippets, canned flows
- Live chat widget for your storefront
Email · refund
SMS · order #421
Chat · sizing
IG · gift card
Email · review
Hi, my order #421 still hasn't shipped — can someone check?
AI suggested reply
Hi Maya — your order shipped this morning, tracking is on the way. Sorry for the wait!
Maya Chen
LTV $1,284 · 12 orders
The retention engine that pays for itself.
Recurring billing, smart dunning, customer portal, swap/skip/gift flows, and ML-driven retry that recovers up to 62% of failed renewals.
- Recurring + prepaid + build-a-box
- Smart dunning with ML retry
- Customer self-service portal
- Swap, skip, gift, pause flows
- Subscription analytics + cohorts
- SMS + email lifecycle nudges
18,920 active
$284k MRR
3.2% churn
62% recovered
Failed-renewal recovery, last 12 weeks
Every brand. One console. Shared graph.
Run separate storefronts for each brand while keeping one customer object, one inventory feed, and one source of truth for orders across all of them.
- Unlimited brands per workspace
- Brand-scoped permissions
- Cross-brand customer graph
- Shared inventory + ops
- Per-brand processor configs
- Roll-up + drill-down reporting
$84k
GMV today
$62k
GMV today
$48k
GMV today
$36k
GMV today
A typed API for the parts we didn't build.
REST, GraphQL, and webhooks. Native SDKs for TypeScript, Python, Go, and Ruby. Schema introspection. 99.99% uptime SLA on Enterprise.
- REST + GraphQL APIs
- Typed SDKs (TS, Python, Go, Ruby)
- Inbound + outbound webhooks
- OAuth + scoped API keys
- Headless storefront support
- 99.99% uptime SLA
// Create a checkout session
import {`{ GrowthFlowLine }`} from '@gfl/sdk'
const gfl = new GrowthFlowLine({`{ apiKey: process.env.GFL_KEY }`})
const checkout = await gfl.checkout.create({`{
brand: 'northshore',
cart: [{ sku: 'GREEN-30', qty: 1 }],
upsells: ['SLEEP-STK'],
routing: 'auto',
}`})
// → tokenized, routed, ready to redirect.
The platform your DTC brand deserves.
Replace your checkout, payments, CRM, and subscription apps with one platform. Migrate in a weekend.