developer docs / API

Know the second a breaking API change ships.

Diffwatch monitors any third-party API docs or developer reference and emails you an AI-written diff the instant an endpoint definition, response schema, or auth requirement changes.

Target endpoint definitions with a CSS selector — e.g. .api-endpoint

No account needed. Alert sent within minutes of any change.

monitoring documentation
change detected
Diffwatch Alert
API change detected — /v2/users endpoint removed "role" field.
just now
01

How it works for developer docs / API

01

Paste the docs page URL

Drop in any API reference URL — Stripe, Twilio, OpenAI, your key vendor's docs site. Any public page works, no auth required.

02

Narrow to endpoint definitions

Use a CSS selector to watch only the endpoint or schema section. That way a cookie banner or nav update won't trigger a false alarm.

03

Receive a plain-English diff email

When Diffwatch detects a change, it sends an AI-written summary describing what parameter, response field, or auth requirement changed — no diff-reading required.

02

Frequently asked

Does this work on versioned docs sites?

Yes. Watch any URL — including version-pinned reference pages like /docs/v2/endpoints. Set up separate watches per version if you support multiple.

Can I monitor GitHub wikis or README files?

GitHub wiki pages and raw README views are public HTML — paste the URL and Diffwatch will watch them just like any other page.

How do I detect when something is marked deprecated?

Use a CSS selector targeting deprecation notices (e.g. <code>.deprecated-badge</code>), or use "contains text" mode with the word "deprecated" to alert only on those changes.

Can I watch multiple doc sections at once?

Set up a watch per section or per endpoint group. Pro users can monitor unlimited pages — common for teams watching an entire third-party docs tree.

More use cases