# Kimetsu A2A API

**Canonical:** https://apis.io/apis/kimetsu-dev/kimetsu-dev-a2a-api/  
**Provider:** Kimetsu — https://apis.io/providers/kimetsu-dev/  
**Base URL:** https://agents.kimetsu.dev  
**Documentation:** https://kimetsu.dev/projects/

Kimetsu A2A API is one of 5 APIs that [Kimetsu](https://apis.io/providers/kimetsu-dev/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 1 JSON Schema definition. Tagged areas include A2A. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, authentication docs, rate-limit docs, and 1 JSON Schema.

Deterministic guidance; no delegated actions or writes.

## Operations (3)

| Method | Path | Summary |
|---|---|---|
| GET | `/.well-known/agent-card.json` | Get A2A Agent Card |
| GET | `/.well-known/agent.json` | Get legacy A2A Agent Card |
| POST | `/a2a/sidequest` | Request Sidequest guidance |

## Machine-readable artifacts (10)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/kimetsu-dev/refs/heads/main/openapi/kimetsu-dev-a2a-api-openapi.yml
- **Documentation** — https://kimetsu.dev/projects/
- **APIReference** — https://agents.kimetsu.dev/openapi.json
- **LLMsTxt** — https://raw.githubusercontent.com/api-evangelist/kimetsu-dev/refs/heads/main/llms/kimetsu-dev-agent-gateway-llms.txt
- **Arazzo** — https://raw.githubusercontent.com/api-evangelist/kimetsu-dev/refs/heads/main/arazzo/kimetsu-dev-discover-and-ask-workflow.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/kimetsu-dev/refs/heads/main/errors/kimetsu-dev-problem-types.yml
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/kimetsu-dev/refs/heads/main/authentication/kimetsu-dev-authentication.yml
- **RateLimits** — https://raw.githubusercontent.com/api-evangelist/kimetsu-dev/refs/heads/main/rate-limits/kimetsu-dev-rate-limits.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/kimetsu-dev/refs/heads/main/data-model/kimetsu-dev-data-model.yml
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/kimetsu-dev/refs/heads/main/json-schema/kimetsu-dev-agent-directory-v1.schema.json

## Other Kimetsu APIs (4)

- [Sidequest Commons Guide (A2A)](https://apis.io/apis/kimetsu-dev/sidequest-commons-guide/)
- [Kimetsu MCP Server (local stdio)](https://apis.io/apis/kimetsu-dev/kimetsu-mcp-server/)
- [Kimetsu Discovery API](https://apis.io/apis/kimetsu-dev/kimetsu-dev-discovery-api/)
- [Kimetsu Sidequest API](https://apis.io/apis/kimetsu-dev/kimetsu-dev-sidequest-api/)

## Tags

A2A

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/kimetsu-dev/kimetsu-dev-a2a-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/kimetsu-dev/.