# Etch Discovery API

**Canonical:** https://apis.io/apis/etch-systems/etch-systems-discovery-api/  
**Provider:** Etch — https://apis.io/providers/etch-systems/  
**Base URL:** https://etch.systems  
**Documentation:** https://etch.systems/docs

Etch Discovery API is one of 4 APIs that [Etch](https://apis.io/providers/etch-systems/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Discovery. The published artifact set on APIs.io includes an OpenAPI specification.

Well-known metadata endpoints for aggregators and MCP clients.

## Operations (2)

| Method | Path | Summary |
|---|---|---|
| GET | `/.well-known/mcp/server-card.json` | SEP-1649 MCP Server Card; discoverable endpoint + version for aggregators |
| GET | `/.well-known/oauth-protected-resource` | RFC 9728 Protected Resource Metadata; declares bearer-only (no OAuth flow) |

## Machine-readable artifacts (1)

- **OpenAPI** — https://artifacts.apis.io/etch-systems/openapi/etch-systems-discovery-api-openapi.yml

## Other Etch APIs (3)

- [Etch Auditor API](https://apis.io/apis/etch-systems/etch-systems-auditor-api/)
- [Etch Onboarding API](https://apis.io/apis/etch-systems/etch-systems-onboarding-api/)
- [Etch Portable identity API](https://apis.io/apis/etch-systems/etch-systems-portable-identity-api/)

## Tags

Discovery

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