# Nookal Invoices API

**Canonical:** https://apis.io/apis/nookal/nookal-invoices-api/  
**Provider:** Nookal — https://apis.io/providers/nookal/  
**Base URL:** https://api.nookal.com/production/v2  
**Documentation:** https://api.nookal.com/dev/reference/patient

Nookal Invoices API is one of 5 APIs that [Nookal](https://apis.io/providers/nookal/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Invoices. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

Invoices and their items, payments, credits, discounts, and refunds.

## Machine-readable artifacts (9)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/nookal/refs/heads/main/openapi/nookal-invoices-api-openapi.yml
- **Documentation** — https://api.nookal.com/developers
- **APIReference** — https://api.nookal.com/dev/reference/patient
- **PostmanCollection** — https://raw.githubusercontent.com/api-evangelist/nookal/refs/heads/main/collections/nookal.postman_collection.json
- **OpenCollection** — https://raw.githubusercontent.com/api-evangelist/nookal/refs/heads/main/collections/nookal.opencollection.json
- **APIReference** — https://api.nookal.com/dev/reference/appointment
- **APIReference** — https://api.nookal.com/dev/reference/location
- **APIReference** — https://api.nookal.com/dev/reference/invoices
- **APIReference** — https://api.nookal.com/dev/reference/verify

## Other Nookal APIs (4)

- [Nookal Appointments API](https://apis.io/apis/nookal/nookal-appointments-api/)
- [Nookal Clinic API](https://apis.io/apis/nookal/nookal-clinic-api/)
- [Nookal Patients API](https://apis.io/apis/nookal/nookal-patients-api/)
- [Nookal Verification API](https://apis.io/apis/nookal/nookal-verification-api/)

## Tags

Invoices

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