# Watchdog Help Center

> Guides for using Watchdog and integrating with the Watchdog API.

## Docs

- [Watchdog Help Center](https://docs.watchdog.no/index.md): Learn how to find invoice errors, check supplier terms, and recover money with Watchdog.
- [Get started](https://docs.watchdog.no/getting-started.md): A practical path from an empty workspace to your first reviewed finding.
- [Bring in invoices](https://docs.watchdog.no/guides/invoices.md): Choose an ingestion method and understand what happens after an invoice reaches Watchdog.
- [Agreements and pricing](https://docs.watchdog.no/guides/agreements-and-pricing.md): Add the supplier terms Watchdog needs to evaluate invoices.
- [Review findings](https://docs.watchdog.no/guides/review-findings.md): Understand an alert, verify its evidence, and decide what should happen next.
- [Accounting integrations](https://docs.watchdog.no/guides/integrations.md): Connect a source system and control what Watchdog synchronizes.
- [API introduction](https://docs.watchdog.no/api-reference/introduction.md): Use the Watchdog API to upload invoices and follow their processing and assessment state.
- [Authentication and API keys](https://docs.watchdog.no/api-reference/authentication.md): Create a Watchdog API key and send it as a bearer token.
- [Scopes](https://docs.watchdog.no/api-reference/scopes.md): Understand the permissions carried by a Watchdog API key.
- [Upload and poll invoices](https://docs.watchdog.no/api-reference/upload-and-poll.md): Implement invoice upload, duplicate handling, polling, and terminal-state interpretation.
- [Rate limits, errors, and request IDs](https://docs.watchdog.no/api-reference/rate-limits-and-errors.md): Handle Watchdog API failures without losing diagnostic context.
- [Versioning](https://docs.watchdog.no/api-reference/versioning.md): Understand the Watchdog API version boundary and compatibility expectations.
- [Health check](https://docs.watchdog.no/api-reference/operations/health-check.md): Returns 200 when the API process is up. No dependency checks.
- [Upload an invoice](https://docs.watchdog.no/api-reference/invoices/upload-an-invoice.md): Submit a `primary` invoice document and optional `attachments` as `multipart/form-data`.
- [List invoices](https://docs.watchdog.no/api-reference/invoices/list-invoices.md): Lists every non-deleted invoice belonging to the token organization, regardless of import source.
- [Get invoice](https://docs.watchdog.no/api-reference/invoices/get-invoice.md): Poll the invoice resource returned in the upload `Location` header or referenced by `existing_invoice_id` in a duplicate response.

## OpenAPI Specs

- [doc](https://api.watchdog.no/doc)

## Optional

- [Watchdog](https://watchdog.no)
- [API reference](https://docs.watchdog.no/api-reference/introduction)