---
title: "Get ERC-8004 agent card (public, no auth)"
method: GET
path: "/api/v1/registry/agents/{agentId}/agent-card.json"
tags: ["Registry"]
---

# Get ERC-8004 agent card (public, no auth)

`GET /api/v1/registry/agents/{agentId}/agent-card.json`

Returns the machine-readable agent-card.json for the given agent. Used by ERC-8004 discovery clients, other agents, and platform integrations. No authentication required — this is a public registry endpoint.

## Path parameters

- `agentId` string, required

## Response `200`

ERC-8004 agent card JSON

## Other responses

- `404` — Agent not found

---

[API](https://skmtc.net/humbleaf/apis/agentchain-prior-api.md) · [All operations](https://skmtc.net/humbleaf/apis/agentchain-prior-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/humbleaf/agentchain-prior-api/revisions/33dd194c5572/schema)