---
title: "Get app on-chain KMS info"
method: GET
path: "/api/v1/apps/{app_id}/kms-info"
tags: ["Apps", "apps-kms-info"]
---

# Get app on-chain KMS info

`GET /api/v1/apps/{app_id}/kms-info`

Returns on-chain KMS metadata for an app: chain, KMS contract, app contract, deployer address, and deployer type detection (EOA, Safe multisig, legacy multisig, ERC-4337, or generic contract).

## Path parameters

- `app_id` string, required — Hex app identifier

## Response `200`

KMS info

- AppKmsInfoResponse
  - `is_onchain_kms` boolean
  - `chain_id` integer, nullable
  - `kms_contract_address` string, nullable
  - `app_contract_address` string, nullable
  - `deployer_address` string, nullable
  - `deployer_type` 'eoa' | 'safe' | 'legacy_multisig' | 'erc4337' | 'contract', nullable
  - `is_contract` boolean
  - `safe_app_url` string, nullable

## Other responses

- `401` — Not authenticated
- `404` — App not found
- `422` — Validation Error

---

[API](https://skmtc.net/phala/apis/phala-cloud-api.md) · [All operations](https://skmtc.net/phala/apis/phala-cloud-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/phala/phala-cloud-api/versions/83c6ae62e860/schema)