---
title: "POST /module/sha256/{key}"
method: POST
path: "/module/sha256/{key}"
---

# POST /module/sha256/{key}

`POST /module/sha256/{key}`

## Query parameters

- `action` string[]
- `function` string
- `instance` string
- `instance-tag` string[]
- `log` '*'
- `module-tag` string[]

## Response `200`

Module information (no query parameters), program output (action
parameter specified call), instance was launched without pinning
module, or module was unpinned.

- object
  - `module` string
  - `tags` string[]

## Other responses

- `201` — WebAssembly module was pinned (possibly in addition to other actions). If function was called, content is program output.

## Changes

- **2026-07-17** `ed5375211e84` — 1 breaking
  - removed the success response with the status `204`
- **2025-01-05** `7a458b7c4cca` — 2 info
  - added optional request body
  - added the success response with the status `201`
- **2024-10-14** `73b3e4cff40b` — 1 warning, 1 info
  - removed the optional property `id` from the response with the `200` status
  - added the optional property `module` to the response with the `200` status
- **2024-10-13** `01aa92b21d6a` — 2 breaking, 1 warning, 2 info
  - removed the request body
  - removed the success response with the status `201`
  - removed the optional property `module` from the response with the `200` status
  - added the optional property `id` to the response with the `200` status
  - …1 more

[Change history](https://skmtc.dev/gate-computer/apis/gate-api/changes/module/sha256/:key/post.md)

---

[API](https://skmtc.dev/gate-computer/apis/gate-api.md) · [All operations](https://skmtc.dev/gate-computer/apis/gate-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/gate-computer/gate-api/revisions/ed5375211e84/schema)