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NF / Stripe

Beta

Proofwing

Billing evidence for release reviews.

Proofwing is a billing assurance control system for Stripe Billing. It models real subscription behaviours, evaluates proposed billing changes and explains the financial evidence before a release reaches customers. It is read-only against analysed Stripe Billing objects; incomplete or unsupported evidence stays in review.

Stripe · Billing Assurance

Private previewDocumentation
Proofwing / interface
Proofwing interface

Product interface — demo workspace

  • Evidence states: what is proven, what needs review
  • Coverage bars across revenue, population and contracts
  • PASS / REVIEW / BLOCK preflight before release

NF / Problem

What problem does this solve?

A billing change can look correct in code and still produce an unexpected customer outcome.

Subscription behaviour is spread across prices, quantities, trials, discounts and schedules. Proofwing gives release reviewers a focused comparison between recorded billing intent and supported Stripe evidence, with the financial difference and remaining uncertainty visible.

NF / How it works

4 steps, no platform.

  1. 01ConnectOpen Proofwing from a verified Stripe installation with read-only access to the analysed Billing objects.
  2. 02Record intentCapture the billing behaviour a release is meant to produce.
  3. 03PreflightCompare supported subscription behaviour and invoice-preview evidence.
  4. 04ReviewRead PASS, REVIEW or BLOCK with the evidence and limitations attached.

NF / Features

What it does.

Only shipped behaviour is marked active. Beta and planned items are labelled honestly.

  • beta

    Billing intent comparison

    Compare recorded intent with supported Stripe Billing behaviour.

  • beta

    Financial difference

    Separate an intended price change from a modelled regression.

  • beta

    Explicit evidence states

    Keep PASS, REVIEW and BLOCK tied to deterministic evidence.

  • beta

    Decision trace

    Keep preflight results, incidents and contract decisions reviewable.

Built for

  • Stripe Billing teams
  • Finance and RevOps
  • Engineering leads
  • Release reviewers

Pricing

Private test release; pricing is still under review.

Billing: freemium

Changelog →Guides →Privacy →Terms →Security →

NF / FAQ

Questions, answered plainly.

Does Proofwing modify Stripe billing?

No. Proofwing is read-only against the Stripe Billing objects it analyses. Preview requests are used to explain possible outcomes before release.

Proofwing
What do PASS, REVIEW and BLOCK mean?

PASS means the available evidence matches the confirmed contract, REVIEW means evidence is incomplete or variable, and BLOCK means the evidence contradicts the recorded intent.

Proofwing
Is Proofwing publicly available?

The current release is a private test version. Public Marketplace distribution and commercial hosting remain separate release gates.

Proofwing

NF / Support

Need help with Proofwing?

Docs, troubleshooting and a direct line to the people who build it.

Visit supportRead documentation