For codebase onboarding
When you inherit a backend project, APIScout gives you a fast, source-backed view of its routes, methods, and modules directly in VS Code.
router.get("/accounts",
requireAuth, handler);
src/routes/accounts.ts:18
The problem
Before you can change a service safely, you need to know what it exposes. That usually means opening route files, following controller references, and hoping existing documentation is current.
Built for Backend developers, consultants, and new engineering team members who need to understand the implementation before they trust the documentation.
Why this happens
A developer sees a request to /v1/billing/invoices in a log and needs to identify the router, authentication middleware, and handler before debugging. Repositories are organized around implementation concerns, not around the API a newcomer is trying to understand.
A team inherits a backend from another group and needs to map the public and internal surface before committing to a change.
Onboarding docs explain architecture at a high level. They rarely say which endpoints exist or where a path is defined, so developers search filenames and trace imports — slow, and easy to get wrong when prefixes are composed.
How APIScout solves it
APIScout runs inside VS Code and reads the backend source tree locally. It turns route discovery into an inspectable inventory, then exports OpenAPI when the API needs to move into documentation, testing, or security workflows.
Open the backend project in VS Code.
Discover endpoints across the source tree.
Use source links to move from API inventory to implementation.
Benefits by role
Navigate from an endpoint inventory to the implementation instead of rebuilding the routing map from imports and file names.
Make API-level onboarding less dependent on the one maintainer who remembers where every router lives.
New owners identify the surface that needs documenting, reviewing, and testing sooner.
In practice
Run discovery during the first local setup of an unfamiliar service.
Directory names do not reliably match public API paths.
Use the route inventory alongside an architecture diagram.
It replaces neither the diagram nor the operational docs.
Export a baseline before broad refactors so affected paths are explicit.
Don't start a risky refactor before mapping the routes it can touch.
FAQ
No. Small services benefit when they lack a current OpenAPI file, and the value compounds as route modules and contributors increase.
No. It provides an API-surface view. Architecture records still explain data flow, deployment, ownership, and business decisions.
Review the export against existing docs, identify privileged endpoints, and use source context to trace the implementation.
When APIScout is not enough
API discovery cannot explain every business rule, feature flag, or runtime dependency. Follow the source links, tests, and operational documentation for behavior beyond route visibility.
Where to go next
Sort the inventory by module, then open the handlers that create, update, and delete before the ones that list. Write paths carry the validation and ownership rules a service actually enforces; list endpoints usually just project them. That order reaches the logic worth understanding faster than reading the repository top to bottom.
APIScout for VS Code
Install the free, local-first extension to discover backend endpoints, inspect their source context, and export an OpenAPI baseline when the workflow needs one.
Install APIScout — Free