Spec drift guardrails

Ship API changes with spec confidence.

TrueSpec compares your OpenAPI with the code behind it and flags breaking changes before merge.

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CI ready Fast setup Readable reports
PR #214 Drift report 
BREAK DELETE /v1/users/{id}
WARN  PUT /v1/plans missing description
INFO  Added schema: BillingError
Status: block merge Fix spec or code

Workflow

Guard every pull request

TrueSpec runs on each PR to compare your OpenAPI and the code behind it.

01

Connect your repo

Point to your OpenAPI spec and the services that implement it.

02

Run on every PR

TrueSpec checks changes in code and in spec as part of CI.

03

Ship with confidence

Get a readable report with breaking changes and mismatches.

Capabilities

Reports that developers trust

Built for CI and PR review. No noise, just clear answers on what changed.

Breaking changes

Strict diff engine

Detect removals, incompatible responses, and contract drift fast.

CI ready

Actionable annotations

Inline comments for missing docs and mismatched schemas.

Readable output

Human friendly reports

Summaries that unblock merges and align teams.

Why TrueSpec

Everything you need to keep specs honest

Early access includes the CLI core, GitHub Action, and a roadmap shaped by your feedback.

What you get on day one

  • + Endpoint level diff reports
  • + Breaking change alerts with severity
  • + Missing docs and schema drift highlights
  • + Clean output for PR review

Built for fast teams

Stop guessing if a change is safe. TrueSpec highlights what changed and why it matters.

CLI first GitHub Action No lock-in Team ready

Early access

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