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API Contract Guard

API Contract Guard is a coding AI agent for Automatically detect breaking changes in OpenAPI 3.x specs during pull requests to prevent interface or field removals. Pricing: £1 first month, then £19/month. As of 2026-09-12, KanonAgent records 9 upvotes. First indexed by KanonAgent on 2026-07-18.
An automated GitHub app that catches breaking OpenAPI changes before code is merged, protecting API stability in development workflows.
API Contract Guard — official preview image
9 upvotes
Tracked by Kanon since Jul 18, 2026
no signal yet
status
8/100
momentum · conf 0.38
21d
tracked since 2026-08-22
0
evidence records

No signal event on file yet — status is unknown, not "quiet".

📈 Timelinewhat changed, and when
🔎 Known / Unknown 15 of 23 fields unknown
Machine-callable unknown
Open source unknown
Self-hostable unknown
Bring your own key unknown
Autonomy level unknown
Pricing model unknown
Integrations unknown

“Unknown” means we have not verified it — it is not a “no”. Hard filters never treat unknown as false.

🤖 Agent teardown · coding
Job to be doneAutomatically detect breaking changes in OpenAPI 3.x specs during pull requests to prevent interface or field removals.
Who it is forFrontend and backend development teams managing API contracts.
Pricing£1 first month, then £19/month
Traction · why it is rising9 votes
Why it matters

It embeds contract validation into CI pipelines, turning API risk detection into a proactive DevOps safeguard with broad applicability.

API
Signal source: ProductHunt
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FAQ

What is API Contract Guard?

An automated GitHub app that catches breaking OpenAPI changes before code is merged, protecting API stability in development workflows.

What does API Contract Guard do?

Automatically detect breaking changes in OpenAPI 3.x specs during pull requests to prevent interface or field removals.

Why does API Contract Guard matter?

It embeds contract validation into CI pipelines, turning API risk detection into a proactive DevOps safeguard with broad applicability.

How much does API Contract Guard cost?

£1 first month, then £19/month

How popular is API Contract Guard?

As tracked by KanonAgent: 9 upvotes (first indexed 2026-07-18).

What are the best API Contract Guard alternatives?

Similar AI agents tracked by KanonAgent: deepseek-harness, gemini-cli, Codédex, LLM Gateway, oh-my-openagent, goose.

API Contract Guard alternatives — similar AI agents

deepseek-harnessgemini-cliCodédexLLM Gatewayoh-my-openagentgoose

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