---
title: "Changes to Complete app installation"
method: POST
path: "/user/{appId}/complete-installation"
---

# Changes to Complete app installation

`POST /user/{appId}/complete-installation`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 5 of 50 revisions.

- **2026-01-30** `c1c343b80d5e`: 1 warning
- **2026-01-30** `4b5bc3fbfad0`: 4 breaking, 2 warning
- **2026-01-30** `7bb8a42077f8`: 4 breaking, 2 warning, 3 info
- **2026-01-09** `f7f4aae6fbd3`: 1 info
- **2025-06-19** `e514cea423bb`: 1 breaking

## Changes

- **2026-01-30** `c1c343b80d5e`: 1 warning
  - removed the request property `appId`
- **2026-01-30** `4b5bc3fbfad0`: 4 breaking, 2 warning
  - added the new required request property `agentSignerAddress`
  - added the new required request property `agentSmartAccountDeployment/userOperation`
  - added the new required request property `appId`
  - added the new required request property `userControllerAddress`
  - removed the request property `agentSmartAccountDeployment/dataToSign`
  - removed the request property `sessionKeyApproval/dataToSign`
- **2026-01-30** `7bb8a42077f8`: 4 breaking, 2 warning, 3 info
  - added the new required request property `agentSmartAccountDeployment`
  - added the new required request property `appInstallation`
  - added the new required request property `sessionKeyApproval`
  - removed the required property `transactionHash` from the response with the `200` status
  - removed the request property `appInstallationDataToSign`
  - removed the request property `typedDataSignature`
  - added the required property `completeAppInstallationTransactionHash` to the response with the `200` status
  - added the required property `deployAgentSmartAccountTransactionHash` to the response with the `200` status
  - added the required property `serializedPermissionAccount` to the response with the `200` status
- **2026-01-09** `f7f4aae6fbd3`: 1 info
  - endpoint added
- **2025-06-19** `e514cea423bb`: 1 breaking
  - api path removed without deprecation

---

[Operation](https://skmtc.dev/lit-protocol/apis/vincent-registry-api/docs/user/:appId/complete-installation/post.md) - [API](https://skmtc.dev/lit-protocol/apis/vincent-registry-api.md) - [Page](https://skmtc.dev/lit-protocol/apis/vincent-registry-api/changes/user/:appId/complete-installation/post)