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SaaS: billing, access and data that always agree

A customer pays and still can't use the feature. Another cancels and keeps access for a month. A support agent switches accounts and sees the wrong company's data. These problems rarely come from the product itself; they come from billing events that arrive twice or out of order, and access rules nobody wrote down. We build the systems that keep billing, entitlements and access in agreement, and every customer inside their own walls.
Start a projectWhere SaaS systems disagree ↓
what arriveswhat changes09:02:11payment succeededCompany A · upgrade to Pro · delivery 1Pro features on for Company A09:02:14payment succeededsame event · delivery 2already applied · nothing changes09:05:40plan updatedsent yesterday 18:40, arrived lateolder than current state · reconciled, not applied09:20:02user switches companyM.T. moves from Company A to Bsees Company B onlycurrent state · Company APro plan, paid · one change applied · nothing applied twice

Four places SaaS systems disagree

  1. 01

    The same event, twice

    Billing providers retry

    Every event is recorded once and its effect applied once, however many times it's delivered.

  2. 02

    Events out of order

    Yesterday's update, today

    Access follows the current state of the account, not whichever event happened to arrive last.

  3. 03

    The wrong company's data

    One user, several companies

    Every request is checked against the company the user is working in, not just who they are.

  4. 04

    A payment problem cuts off a customer

    Without a policy

    Grace periods and recovery follow a written policy, and the customer is told the actual state.

Membership and entitlement answer different questions

Most access bugs come from mixing them up.
Who is this?sign-inM.T., signed in
Which company are they working in?membershipCompany B, as an admin
What has that company paid for?entitlementStarter plan: no reporting module
What can this person do right now?all three togethermanage Company B's users; no reports
Is the billing state current?reconciliationchecked against the billing provider

Patched as tickets arrive, or designed to agree

Patched as tickets arrive

  1. 01Webhook handlers that assume one delivery, in order
  2. 02Plan checks scattered through the code
  3. 03Support fixes access by hand
  4. 04Nobody sure what a cancelled customer can still see

Every billing change is a support ticket waiting to happen.

Designed to agree

  1. 01Every event recorded, applied once, reconciled
  2. 02Entitlements in one place, checked everywhere
  3. 03Failed updates in a queue someone owns
  4. 04Access rules written down and tested

Billing changes become routine instead of risky.

What we'd build for a SaaS company

A good fit if billing changes keep turning into tickets

Good fit

  • Customers report paying and not getting access, or the reverse.
  • Users belong to more than one customer account.
  • You're adding plans or usage-based pricing and the code is fragile.

Not the right fit yet

  • You're pre-launch with one plan and a handful of users.
  • You need a security certification audit. That isn't what we do.

Questions SaaS founders ask

Can you work in our existing codebase?

Yes. We usually start by mapping where billing, membership and entitlement decisions live today, then move them into one place step by step.

Does multi-tenant mean one shared database?

Not necessarily. How customers are separated is a design decision we make with you, based on your customers, risks and costs.

What happens when a payment fails?

Whatever your written policy says: a grace period, reminders, then reduced access. We build the policy in and tell customers the real state.

Can you promise uptime or security certifications?

No. We build the foundations properly and monitor them. Certifications and guarantees are your decisions with the right auditors.

Make billing changes boring

Tell us how plans, payments and access work in your product today. We'll show you where they can disagree and how we'd fix it.

Start a project