# Apperio Matter information API

**Canonical:** https://apis.io/apis/apperio/apperio-matter-information-api/  
**Provider:** Apperio — https://apis.io/providers/apperio/  
**Base URL:** https://app.apperio.com/api/v1  
**Documentation:** https://developer.apperio.com/

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

A set of endpoints returning information about a specific matter.

## Operations (1)

| Method | Path | Summary |
|---|---|---|
| GET | `/api/v1/matters/{matter-id}/header` | Matter header |

## Machine-readable artifacts (1)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/apperio/refs/heads/main/openapi/apperio-matter-information-api-openapi.yml

## Other Apperio APIs (4)

- [Apperio Analytics API](https://apis.io/apis/apperio/apperio-analytics-api/)
- [Apperio E-billing API](https://apis.io/apis/apperio/apperio-e-billing-api/)
- [Apperio Filter API](https://apis.io/apis/apperio/apperio-filter-api/)
- [Apperio Users API](https://apis.io/apis/apperio/apperio-users-api/)

## Tags

Matter information

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