---
title: "Get a signing key for a connection agent by chain"
method: GET
path: "/v1/platform/connections/{connectionId}/signing-keys/{chain}"
tags: ["Platform"]
---

# Get a signing key for a connection agent by chain

`GET /v1/platform/connections/{connectionId}/signing-keys/{chain}`

## Request

- Base URL: `https://api.1claw.co`
- URL: `https://api.1claw.co/v1/platform/connections/{connectionId}/signing-keys/{chain}`
- Auth: HTTP bearer

Returns public signing-key metadata for one chain on a connection agent.
Network names (e.g. `base`, `sepolia`) resolve to canonical signing keys
(e.g. `ethereum`). Never includes private keys. plt_ auth only.

## Path parameters

- `connectionId` string, uuid, required
- `chain` string, required

## Query parameters

- `agent_id` string, uuid

## Response `200`

Signing key metadata

- ConnectionSigningKeyDetailResponse
  - `agent_id` string, uuid
  - `chain` string
  - `address` string
  - `public_key` string
  - `curve` string

## Other responses

- `400`: Multiple agents — agent_id required
- `404`: Resource not found

---

[API](https://skmtc.dev/1claw/apis/1claw-api.md) · [All operations](https://skmtc.dev/1claw/apis/1claw-api/llms.txt) · [OpenAPI document](https://skmtc.dev/1claw/apis/1claw-api/revisions/5fa0918f3b41?raw)