Use cases
Build customer portals with AI-assisted engineering
Let customers manage accounts, subscriptions, seats and support themselves — in a portal built as real code, wired to your billing and backend.
Ciao is an AI-assisted engineering platform for building customer portals — self-service applications where customers manage accounts, subscriptions, usage, billing and support tickets. Unlike bolt-on portal widgets, Ciao builds the portal as a real React, TypeScript and Supabase application integrated with your billing and backend systems, with SSO for B2B customers, role-based access, automated QA on every publish and an append-only audit trail.
Published 2026-07-03 · Last updated 2026-07-03
Self-service at product scale
A customer portal is where the customers of your product help themselves: view and change subscriptions, download invoices, watch usage against limits, manage teammates and API keys, raise support tickets. Where a client portal serves dozens of high-touch relationships, a customer portal serves thousands of self-serve users — which changes the engineering.
The pressure to build one is usually visible in the support queue. "Where is my invoice", "add a seat for my colleague", "why did my card fail" — tickets a portal answers in seconds. B2B buyers raise the bar further: they expect SSO into the portal, an admin view of their team's seats, and usage data they can put in front of their own finance team.
The reason portals stay half-built is that they sit on top of the most sensitive systems you run — billing, entitlements, customer data — and a mistake is public. Ciao builds the portal as real code with that risk treated seriously: Guardrails review on billing-area changes, QA replays on the flows customers hit, and security testing confirmed against the live app.
What a customer portal actually requires
- Two levels of authentication — Email and password or one-time codes for individual customers; SAML or OIDC SSO for B2B customer organizations that mandate it.
- Account, subscription and entitlement objects — A data model that mirrors your billing reality — plans, seats, add-ons, limits — kept in sync with the billing provider by webhooks.
- Seat and team management — Customer admins invite teammates, assign roles and remove leavers without emailing your support team.
- Usage visibility — Metered usage against plan limits, close enough to real time that customers trust it before an invoice lands.
- Billing self-service — Invoice history, plan changes and payment-method updates through the provider's hosted components, so card data stays with the provider.
- Support built in — Ticket creation with account context attached, status tracking, and history the customer can see.
- API key management — Create, rotate and revoke keys with scoped permissions — logged, because keys are credentials.
- Notifications — Renewal reminders, payment failures, usage threshold alerts — by email, in the portal, or both.
How a portal build runs on Ciao
1. Describe the self-service surface
What customers can see and do at each plan level, what stays with your team, and which systems hold the truth today.
2. Wire the systems of record
Ciao connects the portal to your billing provider, CRM and product database through integrations and webhooks; the full-stack console shows every call.
3. Model accounts and entitlements
Organizations, users, roles, plans and limits generated as a Supabase schema with row-level security between customer accounts.
4. Build the flows
Subscription changes, seat management, usage views, ticket forms — refined with inspect-to-prompt while you watch the live preview.
5. Test like a customer
QA runs deterministic replays of sign-in, upgrade, downgrade, invite and cancellation paths, with smoke gates before every publish.
6. Govern the billing surface
Guardrails treats billing and entitlement code as protected areas — plain-English policies, risk detection, recorded human review.
7. Deploy and observe
Ship to Ciao cloud or your own cloud account. Doctor probes the live portal, DNS and CDN, and drafts the fix when something degrades.
Security and governance checklist
- ✓ SSO via SAML and OIDC for customer organizations that require it
- ✓ Row-level isolation between customer accounts, probed against the live app
- ✓ Payment methods handled by the billing provider's hosted components
- ✓ Role-based access control for customer admins, members and your staff
- ✓ Guardrails review recorded on every change to billing or entitlement code
- ✓ QA smoke gates before publish; production checks after publish
- ✓ Append-only audit trail across prompts, merges, deploys and admin actions
- ✓ Zero-retention model contracts; customer code never used for training
Customer portal variations
SaaS subscription portal
Plan management, invoices, payment methods and usage — the account page your support queue keeps asking for.
B2B seat management portal
Customer admins control seats, roles and SSO settings for their own organization, with an activity log.
Policyholder portal
Policies, documents, renewal dates and claim status in one place — operational self-service for insurance customers.
Telecom account portal
Plans, data usage, invoices and service requests for consumer or business subscribers.
Warranty and returns portal
Product registration, warranty status, return requests and shipment tracking wired to your fulfillment systems.
Usage and billing portal
Metered consumption, spend forecasts and invoice drill-down for usage-priced products.
Portal requirements, covered
| Requirement | How Ciao covers it |
|---|---|
| B2B customer SSO | SAML and OIDC sign-in per customer organization |
| Account isolation | Row-level security in Supabase, confirmed by access-control probes |
| Billing sync | Webhook-driven integration with your billing provider through Blocks |
| Card data | Provider-hosted payment components — raw card data stays with the provider |
| Safe changes to billing code | Guardrails protected areas with recorded human review |
| Regression safety | Deterministic QA replays of upgrade, invite and cancellation flows |
| Scale | Kubernetes infrastructure with isolated pods and multi-region support |
Frequently asked questions
Can our B2B customers sign in with their own SSO?
Yes. The portal can offer SAML or OIDC sign-in per customer organization, alongside email-based sign-in for smaller accounts. Customer admins manage their own members and roles.
How does the portal stay in sync with our billing provider?
Through webhook-driven integration: subscription events from the provider update the portal's records, and plan changes made in the portal call the provider's API. The full-stack console shows every call and event, so reconciliation is inspectable rather than a black box.
Can customers update payment details safely?
Payment-method updates go through the billing provider's hosted components, so raw card data stays with the provider rather than passing through your application code. Ciao's security testing then probes the surrounding flows against the live app.
We already have a backend — can the portal use it?
Yes. The portal can call your existing REST APIs, and custom sandbox images wrap AI-assisted engineering around Rails, Java, Go, Python, Node and multi-process backends when deeper integration is needed.
How do we ship portal changes quickly without breaking billing?
Every change runs through the same loop: QA replays the critical customer flows before publish, Guardrails requires recorded review on billing-area changes, and rollback is available if a release misbehaves in production.
Where can the portal run?
Ciao cloud, your own AWS, Azure or GCP account, private VPC, or on-prem under separate terms — whichever matches your security review. Serious production programs start at USD 10,000 per year.