# Impossible Metals Taxonomy API

**Canonical:** https://apis.io/apis/impossible-metals/impossible-metals-taxonomy-api/  
**Provider:** Impossible Metals — https://apis.io/providers/impossible-metals/  
**Base URL:** https://impossiblemetals.com/wp-json  
**Documentation:** https://impossiblemetals.com/news/blog/

Impossible Metals Taxonomy API is one of 10 APIs that [Impossible Metals](https://apis.io/providers/impossible-metals/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Taxonomy and Content. The published artifact set on APIs.io includes an OpenAPI specification, authentication docs, and rate-limit docs.

Public, unauthenticated read access to the classification vocabularies behind impossiblemetals.com: post categories, post tags, the registered post types and the registered taxonomies. Verified live at 16 categories and 2 tags on 2026-08-23.

## Machine-readable artifacts (9)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/impossible-metals/refs/heads/main/openapi/impossible-metals-taxonomy-openapi.yml
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/impossible-metals/refs/heads/main/overlays/impossible-metals-taxonomy-overlay.yaml
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/impossible-metals/refs/heads/main/authentication/impossible-metals-authentication.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/impossible-metals/refs/heads/main/errors/impossible-metals-problem-types.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/impossible-metals/refs/heads/main/conventions/impossible-metals-conventions.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/impossible-metals/refs/heads/main/data-model/impossible-metals-data-model.yml
- **Conformance** — https://raw.githubusercontent.com/api-evangelist/impossible-metals/refs/heads/main/conformance/impossible-metals-conformance.yml
- **Lifecycle** — https://raw.githubusercontent.com/api-evangelist/impossible-metals/refs/heads/main/lifecycle/impossible-metals-lifecycle.yml
- **RateLimits** — https://raw.githubusercontent.com/api-evangelist/impossible-metals/refs/heads/main/rate-limits/impossible-metals-rate-limits.yml

## Other Impossible Metals APIs (9)

- [Impossible Metals Posts API](https://apis.io/apis/impossible-metals/impossible-metals-posts-api/)
- [Impossible Metals Pages API](https://apis.io/apis/impossible-metals/impossible-metals-pages-api/)
- [Impossible Metals FAQ API](https://apis.io/apis/impossible-metals/impossible-metals-faq-api/)
- [Impossible Metals Media API](https://apis.io/apis/impossible-metals/impossible-metals-media-api/)
- [Impossible Metals Search API](https://apis.io/apis/impossible-metals/impossible-metals-search-api/)
- [Impossible Metals Events API](https://apis.io/apis/impossible-metals/impossible-metals-events-api/)
- [Impossible Metals Events API (TEC v1, experimental)](https://apis.io/apis/impossible-metals/impossible-metals-events-tec-api/)
- [Impossible Metals Discovery API](https://apis.io/apis/impossible-metals/impossible-metals-discovery-api/)
- [Impossible Metals oEmbed API](https://apis.io/apis/impossible-metals/impossible-metals-oembed-api/)

## Tags

Taxonomy, Content

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