# inFakt API v3

**Canonical:** https://apis.io/apis/infakt/infakt-api-v3/  
**Provider:** inFakt — https://apis.io/providers/infakt/  
**Base URL:** https://api.infakt.pl/api/v3/  
**Documentation:** https://docs.infakt.pl/

inFakt API v3 is published by [inFakt](https://apis.io/providers/infakt/) on the [APIs.io](https://apis.io/) network. The published artifact set on APIs.io includes API documentation, an API reference, and authentication docs.

inFakt's REST API (v3) for automating invoicing and accounting. Resources are addressed with a .json extension under /api/v3/ and authenticated with a per-account API key sent in the X-inFakt-ApiKey header. Confirmed resources: invoices, clients, products, costs, bank_accounts, vat_exemptions, payment_methods and business_activities.

## Machine-readable artifacts (4)

- **Documentation** — https://docs.infakt.pl/
- **APIReference** — https://docs.infakt.pl/
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/infakt/refs/heads/main/authentication/infakt-authentication.yml
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/infakt/refs/heads/main/apis.yml

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/infakt/infakt-api-v3/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/infakt/.