# Agent Upgrade Network Discovery API

**Canonical:** https://apis.io/apis/a-upgradenet-com/a-upgradenet-com-discovery-api/  
**Provider:** Agent Upgrade Network — https://apis.io/providers/a-upgradenet-com/  
**Base URL:** https://a-upgradenet.com  
**Documentation:** https://a-upgradenet.com/docs/quickstart

Agent Upgrade Network Discovery API is one of 10 APIs that [Agent Upgrade Network](https://apis.io/providers/a-upgradenet-com/) 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.

Machine-readable entry points: Agent Card, x402 resource list, catalog and health.

## Operations (4)

| Method | Path | Summary |
|---|---|---|
| GET | `/.well-known/agent-card.json` | Read the a-un Agent Card |
| GET | `/.well-known/x402` | List everything payable per call with x402 |
| GET | `/api/catalog` | List machine-readable products and purchase status |
| GET | `/api/health` | Check service health and payment status |

## Machine-readable artifacts (1)

- **OpenAPI** — https://artifacts.apis.io/a-upgradenet-com/openapi/a-upgradenet-com-discovery-api-openapi.yml

## Other Agent Upgrade Network APIs (9)

- [a-un API](https://apis.io/apis/a-upgradenet-com/a-un-api/)
- [Agent Upgrade Network Agent account API](https://apis.io/apis/a-upgradenet-com/a-upgradenet-com-agent-account-api/)
- [Agent Upgrade Network Agent identity API](https://apis.io/apis/a-upgradenet-com/a-upgradenet-com-agent-identity-api/)
- [Agent Upgrade Network Authenticated products API](https://apis.io/apis/a-upgradenet-com/a-upgradenet-com-authenticated-products-api/)
- [Agent Upgrade Network Evolution API](https://apis.io/apis/a-upgradenet-com/a-upgradenet-com-evolution-api/)
- [Agent Upgrade Network Marketplace API](https://apis.io/apis/a-upgradenet-com/a-upgradenet-com-marketplace-api/)
- [Agent Upgrade Network MCP API](https://apis.io/apis/a-upgradenet-com/a-upgradenet-com-mcp-api/)
- [Agent Upgrade Network Pay per call API](https://apis.io/apis/a-upgradenet-com/a-upgradenet-com-pay-per-call-api/)
- [Agent Upgrade Network Upgrades API](https://apis.io/apis/a-upgradenet-com/a-upgradenet-com-upgrades-api/)

## Tags

Discovery

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