CompatBeacon

Deterministic OpenAPI checks for GitHub

Catch breaking API contract changes before they ship.

CompatBeacon is compatibility monitoring software for teams that maintain OpenAPI contracts on GitHub. The deterministic check is designed to run in the customer’s GitHub runner; raw OpenAPI files stay there by default.

CompatBeacon ให้บริการซอฟต์แวร์ตรวจสอบความเข้ากันได้ของสัญญา OpenAPI สำหรับทีมซอฟต์แวร์ที่ใช้ GitHub โดยไฟล์ OpenAPI ต้นฉบับจะอยู่ในระบบรันเนอร์ของลูกค้าเป็นค่าเริ่มต้น

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Private validation status: checkout is not active and no paid plan can be purchased from this site yet. Proposed prices below are hypotheses, not evidence of market demand.

How it works

A small, explicit compatibility boundary.

Deterministic findings stay authoritative. Hosted workflow features are optional and receive only consented, allowlisted derived metadata.

Compare locally

The pinned comparison engine runs against the baseline and candidate OpenAPI files in the customer’s runner. Unsupported input fails with an explicit error.

Keep the decision deterministic

Only deterministic findings and a valid, authorized, unexpired waiver may affect pass or fail. Explanatory text cannot change the result.

Add governance when needed

Planned paid workflows add expiring waivers, signed release evidence, redacted history and grounded migration guidance without making raw-spec upload the default.

Verified support boundary

Supported means tested.

CompatBeacon does not treat “OpenAPI 3.x” as a blanket compatibility promise.

Current corpus-admitted version strings

  • 3.0.0
  • 3.0.1
  • 3.0.2
  • 3.0.3
  • 3.0.4
  • 3.1.0
  • 3.1.1
  • 3.1.2

Explicit limitation: support is restricted to version/construct/rule combinations linked to the passing corpus. OpenAPI 3.2, unlisted patch versions, remote or multi-document references and unproved constructs are not supported and must fail explicitly.

Proposed validation pricing

Start local. Add workflow value only when it helps.

These prices are business hypotheses under validation. They are not an offer for sale, a discount, or evidence that customers have paid.

Free

US$0

Useful local compatibility checking without a hosted dependency.

  • Local deterministic check
  • GitHub workflow summary
  • Explicit unsupported-input errors

Not publicly released

Validation Pass

US$9 one time

A proposed short evaluation window for one repository.

  • 14-day access hypothesis
  • One repository
  • Up to 100 checks

Checkout unavailable

Solo

US$15 per repository / month

A proposed plan for one maintainer or a small software team.

  • One repository
  • Up to 500 checks
  • Planned governance workflows

Checkout unavailable

Studio

US$39 per month

A proposed package for a micro-team maintaining several APIs.

  • Up to five repositories
  • Up to 3,000 checks
  • Planned shared governance history

Checkout unavailable

Before any payment: a future Stripe-hosted checkout, if activated, will show the final price, currency, applicable tax, renewal, cancellation and refund terms. No payment details are collected on this static site.

Trust and limitations

Clear boundaries beat broad promises.

CompatBeacon reports contract changes within its tested scope. It is not a certification service and cannot prove runtime behavior.

Deterministic authority

Optional generated explanations are advisory. Removing them does not change the compatibility result, waiver state or signed evidence.

Raw-spec privacy

Raw OpenAPI documents, descriptions, examples, paths, operation identifiers and raw findings stay out of CompatBeacon-hosted infrastructure by default.

No hidden telemetry

This website contains no analytics, session replay, advertising pixel, form, cookie-setting script or third-party asset.

Business information

Policies you can read before purchase.

No checkout is active. These pages state the current pre-launch boundary and the information that must remain available before paid selling begins.

Privacy

How the static site, support contact and planned product handle data.

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Terms

Website use, product limitations and the current no-sale status.

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