# ClawSpan A2A API

**Canonical:** https://apis.io/apis/clawspan-cloud/clawspan-cloud-a2a-api/  
**Provider:** ClawSpan — https://apis.io/providers/clawspan-cloud/  
**Base URL:** https://app.clawspan.cloud  
**Documentation:** https://clawspan.cloud/technical/

ClawSpan A2A API is one of 25 APIs that [ClawSpan](https://apis.io/providers/clawspan-cloud/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include A2A. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, authentication docs, and rate-limit docs.

Agent-to-agent JSON-RPC + signed agent card.

## Operations (3)

| Method | Path | Summary |
|---|---|---|
| POST | `/a2a/jsonrpc` | Agent-to-agent JSON-RPC endpoint |
| POST | `/a2a/rest` | REST-style A2A invocation (alternative transport) |
| GET | `/v1/a2a/actions` | A2A action descriptors (task-descriptor catalog) |

## Machine-readable artifacts (13)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/clawspan-cloud/refs/heads/main/openapi/clawspan-cloud-a2a-api-openapi.yml
- **Documentation** — https://clawspan.cloud/technical/
- **LLMsTxt** — https://app.clawspan.cloud/llms.txt
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/clawspan-cloud/refs/heads/main/authentication/clawspan-cloud-authentication.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/clawspan-cloud/refs/heads/main/errors/clawspan-cloud-problem-types.yml
- **ErrorCatalog** — https://app.clawspan.cloud/v1/contracts/dual-plane/errors
- **RateLimits** — https://raw.githubusercontent.com/api-evangelist/clawspan-cloud/refs/heads/main/rate-limits/clawspan-cloud-rate-limits.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/clawspan-cloud/refs/heads/main/conventions/clawspan-cloud-conventions.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/clawspan-cloud/refs/heads/main/data-model/clawspan-cloud-data-model.yml
- **AgenticAccess** — https://raw.githubusercontent.com/api-evangelist/clawspan-cloud/refs/heads/main/agentic-access/clawspan-cloud-agentic-access.yml
- **Sandbox** — https://raw.githubusercontent.com/api-evangelist/clawspan-cloud/refs/heads/main/sandbox/clawspan-cloud-sandbox.yml
- **AgentCard** — https://raw.githubusercontent.com/api-evangelist/clawspan-cloud/refs/heads/main/a2a/clawspan-cloud-signalhub-a2a.yml
- **Documentation** — https://clawspan.cloud/signalhub/

## Other ClawSpan APIs (12)

- [ShardLink MCP Server](https://apis.io/apis/clawspan-cloud/shardlink-mcp-server/)
- [ShardLink Control Plane A2A Agent](https://apis.io/apis/clawspan-cloud/shardlink-a2a-agent/)
- [ClawSpan Affiliate API](https://apis.io/apis/clawspan-cloud/clawspan-cloud-affiliate-api/)
- [ClawSpan Agent API](https://apis.io/apis/clawspan-cloud/clawspan-cloud-agent-api/)
- [ClawSpan Agents API](https://apis.io/apis/clawspan-cloud/clawspan-cloud-agents-api/)
- [ClawSpan Auth API](https://apis.io/apis/clawspan-cloud/clawspan-cloud-auth-api/)
- [ClawSpan Billing API](https://apis.io/apis/clawspan-cloud/clawspan-cloud-billing-api/)
- [ClawSpan Bridge API](https://apis.io/apis/clawspan-cloud/clawspan-cloud-bridge-api/)
- [ClawSpan Delegation API](https://apis.io/apis/clawspan-cloud/clawspan-cloud-delegation-api/)
- [ClawSpan Discovery API](https://apis.io/apis/clawspan-cloud/clawspan-cloud-discovery-api/)
- [ClawSpan Disputes API](https://apis.io/apis/clawspan-cloud/clawspan-cloud-disputes-api/)
- [ClawSpan Health API](https://apis.io/apis/clawspan-cloud/clawspan-cloud-health-api/)

## Tags

A2A

---

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