Case study
Car rental, taken out of the chat thread
ArrentioCar rental marketplace & agency platformA verified marketplace and operating platform that gives independent rental agencies searchable inventory, a trust layer and a storefront of their own.
Field
Mobility marketplace
Scope
Strategy · Design · Development
Platform
Web · Marketplace, provider & admin
Markets
Indonesia & the Gulf
The challenge
Independent rental agencies run their entire business in WhatsApp and Instagram chats: no searchable inventory, no live availability and no trust layer — customers send deposits over chat with no verification and no recourse. Commission marketplaces, meanwhile, are priced for hotel-scale fleets and take the customer relationship with them.
Our approach
We built both sides of the market as one system: a verified marketplace for renters, and a no-code dashboard plus a branded storefront for every agency — live in minutes, not a development project.
Verified supply only
Every listed car belongs to a verified agency; documents are reviewed before anything goes live.
A storefront per agency
Each agency gets its own branded subdomain site, keeping its direct customer relationship.
Trust as infrastructure
Identity checks, e-signed rental agreements and an admin review layer built into the flow.
Experience direction
Search that matches reality
City, dates, category, transmission, seats and price — filtered against live inventory.
Live in minutes
A six-step listing wizard with resumable drafts takes agencies from sign-up to a published fleet.
Requests, not phone calls
Booking requests, messaging and status updates stay on the platform end to end.
Inside the platform
For renters
- Verified cars only — every listing belongs to a reviewed agency
- Filters for city, dates, category, transmission, seats and price
- Booking requests with add-ons like chauffeur and airport pickup
- Identity document upload with verification tracking
- Messaging, notifications and passkey sign-in
For agencies
- Six-step listing wizard with resumable drafts
- Fleet and photo management with AI crop & enhance
- Booking approvals, team members and invitations
- A branded storefront on their own subdomain or custom domain
- AI-assisted listing details for faster onboarding
Trust & operations
- Agency onboarding with KYB document review
- Car approval pipeline before anything goes live
- Customer identity verification via Didit webhooks
- E-signed rental agreements via DocuSeal
- Bookings, payouts, disputes and a full audit log
AI & automation
- Ask AI: natural-language search parsed into structured filters
- AI photo crop and enhancement for listing galleries
- Content engine publishing localised blog and social posts
- Transactional email for every booking and verification event
- Live exchange rates across 10 currencies
Product screens
Real screens from the live product: the homepage with Ask AI, the explore view with verified inventory, provider onboarding and the booking page.
Design system
A light-only interface with one signal colour: a single red reserved for primary actions, set on a quiet neutral foundation.
Outcome
The result is production architecture, not a prototype: a row-level-secured multi-role database, wildcard multi-tenancy with cross-subdomain sessions, transactional email and a content pipeline that publishes in four languages — ready for launch in Jakarta, with Gulf expansion built in.
Verified marketplace ready for launch
Multi-tenant storefronts for every agency
Localised in 4 languages · 10 currencies
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